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HBASE-665 server side scanner doesn't honor stop row 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@665928 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2008-06-09 22:45:24 +00:00
parent 2e0e750630
commit b5ae8db868
3 changed files with 23 additions and 7 deletions
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1
CHANGES.txt
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@ -43,6 +43,7 @@ Hbase Change Log
HBASE-668 HBASE-533 broke build
HBASE-670 Historian deadlocks if regionserver is at global memory boundary
and is hosting .META.
HBASE-665 Server side scanner doesn't honor stop row
IMPROVEMENTS
HBASE-559 MR example job to count table rows

22
src/java/org/apache/hadoop/hbase/client/HTable.java
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@ -1276,7 +1276,7 @@ public class HTable {
* Returns false if there are no more scanners.
*/
private boolean nextScanner() throws IOException {
// close the previous scanner if it's open
// Close the previous scanner if it's open
if (this.callable != null) {
this.callable.setClose();
getConnection().getRegionServerWithRetries(callable);
@ -1291,7 +1291,9 @@ public class HTable {
}
byte [] endKey = currentRegion.getEndKey();
if (endKey == null || Bytes.equals(endKey, HConstants.EMPTY_BYTE_ARRAY)) {
if (endKey == null ||
Bytes.equals(endKey, HConstants.EMPTY_BYTE_ARRAY) ||
filterSaysStop(endKey)) {
close();
return false;
}
@ -1319,12 +1321,25 @@ public class HTable {
return true;
}
/**
* @param endKey
* @return Returns true if the passed region endkey is judged beyond
* filter.
*/
private boolean filterSaysStop(final byte [] endKey) {
if (this.filter == null) {
return false;
}
// Let the filter see current row.
this.filter.filterRowKey(endKey);
return this.filter.filterAllRemaining();
}
/** {@inheritDoc} */
public RowResult next() throws IOException {
if (this.closed) {
return null;
}
RowResult values = null;
do {
values = getConnection().getRegionServerWithRetries(callable);
@ -1333,7 +1348,6 @@ public class HTable {
if (values != null && values.size() != 0) {
return values;
}
return null;
}

5
src/java/org/apache/hadoop/hbase/regionserver/HRegion.java
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@ -1056,7 +1056,8 @@ public class HRegion implements HConstants {
LOG.debug("Finished memcache flush for region " + this +
" in " +
(System.currentTimeMillis() - startTime) + "ms, sequence id=" +
sequenceId);
sequenceId + ", " +
StringUtils.humanReadableInt(this.memcacheSize.get()));
if (!regionInfo.isMetaRegion()) {
this.historian.addRegionFlush(regionInfo, timeTaken);
}
@ -1365,7 +1366,7 @@ public class HRegion implements HConstants {
while (this.memcacheSize.get() >= this.blockingMemcacheSize) {
if (!blocked) {
LOG.info("Blocking updates for '" + Thread.currentThread().getName() +
"': Memcache size " +
"' on region " + Bytes.toString(getRegionName()) + ": Memcache size " +
StringUtils.humanReadableInt(this.memcacheSize.get()) +
" is >= than blocking " +
StringUtils.humanReadableInt(this.blockingMemcacheSize) + " size");