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Amend HBASE-12023 HRegion.applyFamilyMapToMemstore creates too many iterator objects; More cases (Vladimir Rodionov)

This commit is contained in:
Andrew Purtell 2014-09-23 13:12:05 -07:00
parent e06b4bcf35
commit 83c2de2575
1 changed files with 21 additions and 6 deletions
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27
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
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@ -2181,9 +2181,12 @@ public class HRegion implements HeapSize { // , Writable{
byte[] family = e.getKey();
List<Cell> cells = e.getValue();
Map<byte[], Integer> kvCount = new TreeMap<byte[], Integer>(Bytes.BYTES_COMPARATOR);
assert cells instanceof RandomAccess;
for (Cell cell: cells) {
Map<byte[], Integer> kvCount = new TreeMap<byte[], Integer>(Bytes.BYTES_COMPARATOR);
int listSize = cells.size();
for (int i=0; i < listSize; i++) {
Cell cell = cells.get(i);
KeyValue kv = KeyValueUtil.ensureKeyValue(cell);
// Check if time is LATEST, change to time of most recent addition if so
// This is expensive.
@ -3005,7 +3008,10 @@ public class HRegion implements HeapSize { // , Writable{
void updateKVTimestamps(final Iterable<List<Cell>> keyLists, final byte[] now) {
for (List<Cell> cells: keyLists) {
if (cells == null) continue;
for (Cell cell : cells) {
assert cells instanceof RandomAccess;
int listSize = cells.size();
for (int i=0; i < listSize; i++) {
Cell cell = cells.get(i);
KeyValue kv = KeyValueUtil.ensureKeyValue(cell);
kv.updateLatestStamp(now);
}
@ -3166,7 +3172,10 @@ public class HRegion implements HeapSize { // , Writable{
}
long maxTs = now + timestampSlop;
for (List<Cell> kvs : familyMap.values()) {
for (Cell cell : kvs) {
assert kvs instanceof RandomAccess;
int listSize = kvs.size();
for (int i=0; i < listSize; i++) {
Cell cell = kvs.get(i);
// see if the user-side TS is out of range. latest = server-side
long ts = cell.getTimestamp();
if (ts != HConstants.LATEST_TIMESTAMP && ts > maxTs) {
@ -3186,7 +3195,10 @@ public class HRegion implements HeapSize { // , Writable{
private void addFamilyMapToWALEdit(Map<byte[], List<Cell>> familyMap,
WALEdit walEdit) {
for (List<Cell> edits : familyMap.values()) {
for (Cell cell : edits) {
assert edits instanceof RandomAccess;
int listSize = edits.size();
for (int i=0; i < listSize; i++) {
Cell cell = edits.get(i);
walEdit.add(cell);
}
}
@ -6060,7 +6072,10 @@ public class HRegion implements HeapSize { // , Writable{
long mutationSize = 0;
for (List<Cell> cells: familyMap.values()) {
for (Cell cell : cells) {
assert cells instanceof RandomAccess;
int listSize = cells.size();
for (int i=0; i < listSize; i++) {
Cell cell = cells.get(i);
// TODO we need include tags length also here.
mutationSize += KeyValueUtil.keyLength(cell) + cell.getValueLength();
}