HBASE-4797 [availability] Skip recovered.edits files with edits we know older than what region currently has (Jimmy Jiang)
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1205290 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Zhihong Yu
parent
ef52263373
commit
351e75629f
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@ -2502,16 +2502,36 @@ public class HRegion implements HeapSize { // , Writable{
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protected long replayRecoveredEditsIfAny(final Path regiondir,
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final long minSeqId, final CancelableProgressable reporter,
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final MonitoredTask status)
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throws UnsupportedEncodingException, IOException {
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throws UnsupportedEncodingException, IOException {
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long seqid = minSeqId;
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NavigableSet<Path> files = HLog.getSplitEditFilesSorted(this.fs, regiondir);
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if (files == null || files.isEmpty()) return seqid;
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boolean checkSafeToSkip = true;
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for (Path edits: files) {
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if (edits == null || !this.fs.exists(edits)) {
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LOG.warn("Null or non-existent edits file: " + edits);
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continue;
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}
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if (isZeroLengthThenDelete(this.fs, edits)) continue;
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if (checkSafeToSkip) {
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Path higher = files.higher(edits);
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long maxSeqId = Long.MAX_VALUE;
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if (higher != null) {
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// Edit file name pattern, HLog.EDITFILES_NAME_PATTERN: "-?[0-9]+"
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String fileName = higher.getName();
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maxSeqId = Math.abs(Long.parseLong(fileName));
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}
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if (maxSeqId <= minSeqId) {
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String msg = "Maximum possible sequenceid for this log is " + maxSeqId
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+ ", skipped the whole file, path=" + edits;
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LOG.debug(msg);
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continue;
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} else {
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checkSafeToSkip = false;
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}
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}
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try {
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seqid = replayRecoveredEdits(edits, seqid, reporter);
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} catch (IOException e) {
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@ -2560,135 +2580,135 @@ public class HRegion implements HeapSize { // , Writable{
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status.setStatus("Opening logs");
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HLog.Reader reader = HLog.getReader(this.fs, edits, conf);
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try {
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long currentEditSeqId = minSeqId;
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long firstSeqIdInLog = -1;
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long skippedEdits = 0;
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long editsCount = 0;
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long intervalEdits = 0;
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HLog.Entry entry;
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Store store = null;
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boolean reported_once = false;
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long currentEditSeqId = minSeqId;
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long firstSeqIdInLog = -1;
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long skippedEdits = 0;
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long editsCount = 0;
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long intervalEdits = 0;
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HLog.Entry entry;
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Store store = null;
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boolean reported_once = false;
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try {
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// How many edits seen before we check elapsed time
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int interval = this.conf.getInt("hbase.hstore.report.interval.edits",
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2000);
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// How often to send a progress report (default 1/2 master timeout)
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int period = this.conf.getInt("hbase.hstore.report.period",
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this.conf.getInt("hbase.master.assignment.timeoutmonitor.timeout",
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180000) / 2);
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long lastReport = EnvironmentEdgeManager.currentTimeMillis();
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try {
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// How many edits seen before we check elapsed time
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int interval = this.conf.getInt("hbase.hstore.report.interval.edits",
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2000);
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// How often to send a progress report (default 1/2 master timeout)
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int period = this.conf.getInt("hbase.hstore.report.period",
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this.conf.getInt("hbase.master.assignment.timeoutmonitor.timeout",
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180000) / 2);
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long lastReport = EnvironmentEdgeManager.currentTimeMillis();
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while ((entry = reader.next()) != null) {
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HLogKey key = entry.getKey();
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WALEdit val = entry.getEdit();
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while ((entry = reader.next()) != null) {
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HLogKey key = entry.getKey();
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WALEdit val = entry.getEdit();
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if (reporter != null) {
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intervalEdits += val.size();
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if (intervalEdits >= interval) {
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// Number of edits interval reached
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intervalEdits = 0;
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long cur = EnvironmentEdgeManager.currentTimeMillis();
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if (lastReport + period <= cur) {
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status.setStatus("Replaying edits..." +
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" skipped=" + skippedEdits +
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" edits=" + editsCount);
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// Timeout reached
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if(!reporter.progress()) {
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msg = "Progressable reporter failed, stopping replay";
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LOG.warn(msg);
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status.abort(msg);
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throw new IOException(msg);
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if (reporter != null) {
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intervalEdits += val.size();
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if (intervalEdits >= interval) {
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// Number of edits interval reached
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intervalEdits = 0;
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long cur = EnvironmentEdgeManager.currentTimeMillis();
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if (lastReport + period <= cur) {
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status.setStatus("Replaying edits..." +
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" skipped=" + skippedEdits +
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" edits=" + editsCount);
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// Timeout reached
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if(!reporter.progress()) {
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msg = "Progressable reporter failed, stopping replay";
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LOG.warn(msg);
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status.abort(msg);
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throw new IOException(msg);
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}
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reported_once = true;
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lastReport = cur;
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}
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reported_once = true;
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lastReport = cur;
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}
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}
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}
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// Start coprocessor replay here. The coprocessor is for each WALEdit
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// instead of a KeyValue.
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if (coprocessorHost != null) {
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status.setStatus("Running pre-WAL-restore hook in coprocessors");
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if (coprocessorHost.preWALRestore(this.getRegionInfo(), key, val)) {
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// if bypass this log entry, ignore it ...
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continue;
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// Start coprocessor replay here. The coprocessor is for each WALEdit
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// instead of a KeyValue.
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if (coprocessorHost != null) {
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status.setStatus("Running pre-WAL-restore hook in coprocessors");
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if (coprocessorHost.preWALRestore(this.getRegionInfo(), key, val)) {
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// if bypass this log entry, ignore it ...
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continue;
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}
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}
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}
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if (firstSeqIdInLog == -1) {
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firstSeqIdInLog = key.getLogSeqNum();
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}
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// Now, figure if we should skip this edit.
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if (key.getLogSeqNum() <= currentEditSeqId) {
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skippedEdits++;
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continue;
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}
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currentEditSeqId = key.getLogSeqNum();
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boolean flush = false;
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for (KeyValue kv: val.getKeyValues()) {
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// Check this edit is for me. Also, guard against writing the special
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// METACOLUMN info such as HBASE::CACHEFLUSH entries
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if (kv.matchingFamily(HLog.METAFAMILY) ||
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!Bytes.equals(key.getEncodedRegionName(), this.regionInfo.getEncodedNameAsBytes())) {
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skippedEdits++;
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continue;
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}
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// Figure which store the edit is meant for.
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if (store == null || !kv.matchingFamily(store.getFamily().getName())) {
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store = this.stores.get(kv.getFamily());
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if (firstSeqIdInLog == -1) {
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firstSeqIdInLog = key.getLogSeqNum();
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}
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if (store == null) {
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// This should never happen. Perhaps schema was changed between
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// crash and redeploy?
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LOG.warn("No family for " + kv);
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// Now, figure if we should skip this edit.
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if (key.getLogSeqNum() <= currentEditSeqId) {
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skippedEdits++;
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continue;
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}
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// Once we are over the limit, restoreEdit will keep returning true to
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// flush -- but don't flush until we've played all the kvs that make up
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// the WALEdit.
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flush = restoreEdit(store, kv);
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editsCount++;
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}
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if (flush) internalFlushcache(null, currentEditSeqId, status);
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currentEditSeqId = key.getLogSeqNum();
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boolean flush = false;
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for (KeyValue kv: val.getKeyValues()) {
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// Check this edit is for me. Also, guard against writing the special
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// METACOLUMN info such as HBASE::CACHEFLUSH entries
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if (kv.matchingFamily(HLog.METAFAMILY) ||
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!Bytes.equals(key.getEncodedRegionName(), this.regionInfo.getEncodedNameAsBytes())) {
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skippedEdits++;
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continue;
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}
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// Figure which store the edit is meant for.
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if (store == null || !kv.matchingFamily(store.getFamily().getName())) {
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store = this.stores.get(kv.getFamily());
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}
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if (store == null) {
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// This should never happen. Perhaps schema was changed between
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// crash and redeploy?
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LOG.warn("No family for " + kv);
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skippedEdits++;
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continue;
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}
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// Once we are over the limit, restoreEdit will keep returning true to
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// flush -- but don't flush until we've played all the kvs that make up
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// the WALEdit.
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flush = restoreEdit(store, kv);
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editsCount++;
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}
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if (flush) internalFlushcache(null, currentEditSeqId, status);
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if (coprocessorHost != null) {
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coprocessorHost.postWALRestore(this.getRegionInfo(), key, val);
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if (coprocessorHost != null) {
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coprocessorHost.postWALRestore(this.getRegionInfo(), key, val);
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}
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}
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}
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} catch (EOFException eof) {
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Path p = HLog.moveAsideBadEditsFile(fs, edits);
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msg = "Encountered EOF. Most likely due to Master failure during " +
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"log spliting, so we have this data in another edit. " +
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"Continuing, but renaming " + edits + " as " + p;
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LOG.warn(msg, eof);
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status.abort(msg);
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} catch (IOException ioe) {
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// If the IOE resulted from bad file format,
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// then this problem is idempotent and retrying won't help
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if (ioe.getCause() instanceof ParseException) {
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} catch (EOFException eof) {
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Path p = HLog.moveAsideBadEditsFile(fs, edits);
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msg = "File corruption encountered! " +
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msg = "Encountered EOF. Most likely due to Master failure during " +
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"log spliting, so we have this data in another edit. " +
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"Continuing, but renaming " + edits + " as " + p;
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LOG.warn(msg, ioe);
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status.setStatus(msg);
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} else {
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status.abort(StringUtils.stringifyException(ioe));
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// other IO errors may be transient (bad network connection,
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// checksum exception on one datanode, etc). throw & retry
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throw ioe;
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LOG.warn(msg, eof);
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status.abort(msg);
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} catch (IOException ioe) {
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// If the IOE resulted from bad file format,
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// then this problem is idempotent and retrying won't help
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if (ioe.getCause() instanceof ParseException) {
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Path p = HLog.moveAsideBadEditsFile(fs, edits);
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msg = "File corruption encountered! " +
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"Continuing, but renaming " + edits + " as " + p;
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LOG.warn(msg, ioe);
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status.setStatus(msg);
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} else {
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status.abort(StringUtils.stringifyException(ioe));
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// other IO errors may be transient (bad network connection,
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// checksum exception on one datanode, etc). throw & retry
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throw ioe;
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}
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}
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}
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if (reporter != null && !reported_once) {
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reporter.progress();
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}
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msg = "Applied " + editsCount + ", skipped " + skippedEdits +
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", firstSequenceidInLog=" + firstSeqIdInLog +
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", maxSequenceidInLog=" + currentEditSeqId + ", path=" + edits;
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status.markComplete(msg);
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LOG.debug(msg);
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return currentEditSeqId;
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if (reporter != null && !reported_once) {
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reporter.progress();
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}
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msg = "Applied " + editsCount + ", skipped " + skippedEdits +
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", firstSequenceidInLog=" + firstSeqIdInLog +
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", maxSequenceidInLog=" + currentEditSeqId + ", path=" + edits;
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status.markComplete(msg);
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LOG.debug(msg);
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return currentEditSeqId;
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} finally {
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reader.close();
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status.cleanup();
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@ -2712,7 +2732,7 @@ public class HRegion implements HeapSize { // , Writable{
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* @throws IOException
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*/
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private static boolean isZeroLengthThenDelete(final FileSystem fs, final Path p)
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throws IOException {
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throws IOException {
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FileStatus stat = fs.getFileStatus(p);
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if (stat.getLen() > 0) return false;
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LOG.warn("File " + p + " is zero-length, deleting.");
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@ -2721,7 +2741,7 @@ public class HRegion implements HeapSize { // , Writable{
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}
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protected Store instantiateHStore(Path tableDir, HColumnDescriptor c)
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throws IOException {
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throws IOException {
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return new Store(tableDir, this, c, this.fs, this.conf);
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}
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@ -34,16 +34,30 @@ import java.util.concurrent.atomic.AtomicReference;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hbase.*;
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import org.apache.hadoop.hbase.DoNotRetryIOException;
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import org.apache.hadoop.hbase.HBaseConfiguration;
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import org.apache.hadoop.hbase.HBaseTestCase;
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import org.apache.hadoop.hbase.HBaseTestingUtility;
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import org.apache.hadoop.hbase.HColumnDescriptor;
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import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.HConstants.OperationStatusCode;
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import org.apache.hadoop.hbase.HDFSBlocksDistribution;
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import org.apache.hadoop.hbase.HRegionInfo;
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import org.apache.hadoop.hbase.HTableDescriptor;
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import org.apache.hadoop.hbase.KeyValue;
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import org.apache.hadoop.hbase.MediumTests;
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import org.apache.hadoop.hbase.MiniHBaseCluster;
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import org.apache.hadoop.hbase.MultithreadedTestUtil;
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import org.apache.hadoop.hbase.MultithreadedTestUtil.TestThread;
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import org.apache.hadoop.hbase.client.Delete;
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import org.apache.hadoop.hbase.client.Get;
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import org.apache.hadoop.hbase.client.HTable;
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import org.apache.hadoop.hbase.client.Put;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.client.Scan;
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import org.apache.hadoop.hbase.client.HTable;
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import org.apache.hadoop.hbase.filter.BinaryComparator;
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import org.apache.hadoop.hbase.filter.ColumnCountGetFilter;
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import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
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@ -52,9 +66,13 @@ import org.apache.hadoop.hbase.filter.FilterList;
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import org.apache.hadoop.hbase.filter.NullComparator;
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import org.apache.hadoop.hbase.filter.PrefixFilter;
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import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;
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import org.apache.hadoop.hbase.monitoring.MonitoredTask;
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import org.apache.hadoop.hbase.monitoring.TaskMonitor;
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import org.apache.hadoop.hbase.regionserver.HRegion.RegionScannerImpl;
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import org.apache.hadoop.hbase.regionserver.metrics.SchemaMetrics;
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import org.apache.hadoop.hbase.regionserver.wal.HLog;
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import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
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import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
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import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;
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@ -64,9 +82,9 @@ import org.apache.hadoop.hbase.util.Pair;
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import org.apache.hadoop.hbase.util.PairOfSameType;
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import org.apache.hadoop.hbase.util.Threads;
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import org.junit.Test;
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import org.junit.experimental.categories.Category;
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import com.google.common.collect.Lists;
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import org.junit.experimental.categories.Category;
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/**
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@ -2809,6 +2827,115 @@ public class TestHRegion extends HBaseTestCase {
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region.get(g, null);
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}
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public void testSkipRecoveredEditsReplay() throws Exception {
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String method = "testSkipRecoveredEditsReplay";
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byte[] tableName = Bytes.toBytes(method);
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byte[] family = Bytes.toBytes("family");
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Configuration conf = HBaseConfiguration.create();
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initHRegion(tableName, method, conf, family);
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Path regiondir = region.getRegionDir();
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FileSystem fs = region.getFilesystem();
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byte[] regionName = region.getRegionInfo().getEncodedNameAsBytes();
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Path recoveredEditsDir = HLog.getRegionDirRecoveredEditsDir(regiondir);
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long maxSeqId = 1050;
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long minSeqId = 1000;
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for (long i = minSeqId; i <= maxSeqId; i += 10) {
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Path recoveredEdits = new Path(recoveredEditsDir, String.format("%019d", i));
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HLog.Writer writer = HLog.createWriter(fs, recoveredEdits, conf);
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long time = System.nanoTime();
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WALEdit edit = new WALEdit();
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edit.add(new KeyValue(row, family, Bytes.toBytes(i),
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time, KeyValue.Type.Put, Bytes.toBytes(i)));
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writer.append(new HLog.Entry(new HLogKey(regionName, tableName,
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i, time, HConstants.DEFAULT_CLUSTER_ID), edit));
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writer.close();
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}
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MonitoredTask status = TaskMonitor.get().createStatus(method);
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long seqId = region.replayRecoveredEditsIfAny(regiondir, minSeqId-1, null, status);
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assertEquals(maxSeqId, seqId);
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Get get = new Get(row);
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Result result = region.get(get, null);
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for (long i = minSeqId; i <= maxSeqId; i += 10) {
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List<KeyValue> kvs = result.getColumn(family, Bytes.toBytes(i));
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assertEquals(1, kvs.size());
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assertEquals(Bytes.toBytes(i), kvs.get(0).getValue());
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}
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}
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public void testSkipRecoveredEditsReplaySomeIgnored() throws Exception {
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String method = "testSkipRecoveredEditsReplaySomeIgnored";
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byte[] tableName = Bytes.toBytes(method);
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byte[] family = Bytes.toBytes("family");
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initHRegion(tableName, method, HBaseConfiguration.create(), family);
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Path regiondir = region.getRegionDir();
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FileSystem fs = region.getFilesystem();
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byte[] regionName = region.getRegionInfo().getEncodedNameAsBytes();
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Path recoveredEditsDir = HLog.getRegionDirRecoveredEditsDir(regiondir);
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|
||||
long maxSeqId = 1050;
|
||||
long minSeqId = 1000;
|
||||
|
||||
for (long i = minSeqId; i <= maxSeqId; i += 10) {
|
||||
Path recoveredEdits = new Path(recoveredEditsDir, String.format("%019d", i));
|
||||
HLog.Writer writer = HLog.createWriter(fs, recoveredEdits, conf);
|
||||
|
||||
long time = System.nanoTime();
|
||||
WALEdit edit = new WALEdit();
|
||||
edit.add(new KeyValue(row, family, Bytes.toBytes(i),
|
||||
time, KeyValue.Type.Put, Bytes.toBytes(i)));
|
||||
writer.append(new HLog.Entry(new HLogKey(regionName, tableName,
|
||||
i, time, HConstants.DEFAULT_CLUSTER_ID), edit));
|
||||
|
||||
writer.close();
|
||||
}
|
||||
long recoverSeqId = 1030;
|
||||
MonitoredTask status = TaskMonitor.get().createStatus(method);
|
||||
long seqId = region.replayRecoveredEditsIfAny(regiondir, recoverSeqId-1, null, status);
|
||||
assertEquals(maxSeqId, seqId);
|
||||
Get get = new Get(row);
|
||||
Result result = region.get(get, null);
|
||||
for (long i = minSeqId; i <= maxSeqId; i += 10) {
|
||||
List<KeyValue> kvs = result.getColumn(family, Bytes.toBytes(i));
|
||||
if (i < recoverSeqId) {
|
||||
assertEquals(0, kvs.size());
|
||||
} else {
|
||||
assertEquals(1, kvs.size());
|
||||
assertEquals(Bytes.toBytes(i), kvs.get(0).getValue());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void testSkipRecoveredEditsReplayAllIgnored() throws Exception {
|
||||
String method = "testSkipRecoveredEditsReplayAllIgnored";
|
||||
byte[] tableName = Bytes.toBytes(method);
|
||||
byte[] family = Bytes.toBytes("family");
|
||||
initHRegion(tableName, method, HBaseConfiguration.create(), family);
|
||||
Path regiondir = region.getRegionDir();
|
||||
FileSystem fs = region.getFilesystem();
|
||||
|
||||
Path recoveredEditsDir = HLog.getRegionDirRecoveredEditsDir(regiondir);
|
||||
for (int i = 1000; i < 1050; i += 10) {
|
||||
Path recoveredEdits = new Path(
|
||||
recoveredEditsDir, String.format("%019d", i));
|
||||
FSDataOutputStream dos= fs.create(recoveredEdits);
|
||||
dos.writeInt(i);
|
||||
dos.close();
|
||||
}
|
||||
long minSeqId = 2000;
|
||||
Path recoveredEdits = new Path(
|
||||
recoveredEditsDir, String.format("%019d", minSeqId-1));
|
||||
FSDataOutputStream dos= fs.create(recoveredEdits);
|
||||
dos.close();
|
||||
long seqId = region.replayRecoveredEditsIfAny(regiondir, minSeqId, null, null);
|
||||
assertEquals(minSeqId, seqId);
|
||||
}
|
||||
|
||||
public void testIndexesScanWithOneDeletedRow() throws IOException {
|
||||
byte[] tableName = Bytes.toBytes("testIndexesScanWithOneDeletedRow");
|
||||
byte[] family = Bytes.toBytes("family");
|
||||
|
|
|
|||
Loading…
Reference in New Issue