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HBASE-16194 Should count in MSLAB chunk allocation into heap size change when adding duplicate cells, addendum

This commit is contained in:
Yu Li 2016-07-11 22:43:26 +08:00
parent 0875c35781
commit 356c130702
4 changed files with 16 additions and 16 deletions
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14
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/AbstractMemStore.java
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@ -109,8 +109,8 @@ public abstract class AbstractMemStore implements MemStore {
@Override @Override
public long add(Cell cell) { public long add(Cell cell) {
Cell toAdd = maybeCloneWithAllocator(cell); Cell toAdd = maybeCloneWithAllocator(cell);
boolean useMSLAB = (toAdd != cell); boolean mslabUsed = (toAdd != cell);
return internalAdd(toAdd, useMSLAB); return internalAdd(toAdd, mslabUsed);
} }
/** /**
@ -157,8 +157,8 @@ public abstract class AbstractMemStore implements MemStore {
@Override @Override
public long delete(Cell deleteCell) { public long delete(Cell deleteCell) {
Cell toAdd = maybeCloneWithAllocator(deleteCell); Cell toAdd = maybeCloneWithAllocator(deleteCell);
boolean useMSLAB = (toAdd != deleteCell); boolean mslabUsed = (toAdd != deleteCell);
long s = internalAdd(toAdd, useMSLAB); long s = internalAdd(toAdd, mslabUsed);
return s; return s;
} }
@ -390,11 +390,11 @@ public abstract class AbstractMemStore implements MemStore {
* *
* Callers should ensure they already have the read lock taken * Callers should ensure they already have the read lock taken
* @param toAdd the cell to add * @param toAdd the cell to add
* @param useMSLAB whether using MSLAB * @param mslabUsed whether using MSLAB
* @return the heap size change in bytes * @return the heap size change in bytes
*/ */
private long internalAdd(final Cell toAdd, final boolean useMSLAB) { private long internalAdd(final Cell toAdd, final boolean mslabUsed) {
long s = active.add(toAdd, useMSLAB); long s = active.add(toAdd, mslabUsed);
setOldestEditTimeToNow(); setOldestEditTimeToNow();
checkActiveSize(); checkActiveSize();
return s; return s;

4
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreCompactor.java
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@ -197,8 +197,8 @@ class MemStoreCompactor {
// The scanner is doing all the elimination logic // The scanner is doing all the elimination logic
// now we just copy it to the new segment // now we just copy it to the new segment
Cell newKV = result.maybeCloneWithAllocator(c); Cell newKV = result.maybeCloneWithAllocator(c);
boolean useMSLAB = (newKV != c); boolean mslabUsed = (newKV != c);
result.internalAdd(newKV, useMSLAB); result.internalAdd(newKV, mslabUsed);
} }
kvs.clear(); kvs.clear();

6
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MutableSegment.java
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@ -36,11 +36,11 @@ public class MutableSegment extends Segment {
/** /**
* Adds the given cell into the segment * Adds the given cell into the segment
* @param cell the cell to add * @param cell the cell to add
* @param useMSLAB whether using MSLAB * @param mslabUsed whether using MSLAB
* @return the change in the heap size * @return the change in the heap size
*/ */
public long add(Cell cell, boolean useMSLAB) { public long add(Cell cell, boolean mslabUsed) {
return internalAdd(cell, useMSLAB); return internalAdd(cell, mslabUsed);
} }
/** /**

4
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Segment.java
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@ -250,13 +250,13 @@ public abstract class Segment {
return comparator; return comparator;
} }
protected long internalAdd(Cell cell, boolean useMSLAB) { protected long internalAdd(Cell cell, boolean mslabUsed) {
boolean succ = getCellSet().add(cell); boolean succ = getCellSet().add(cell);
long s = AbstractMemStore.heapSizeChange(cell, succ); long s = AbstractMemStore.heapSizeChange(cell, succ);
// If there's already a same cell in the CellSet and we are using MSLAB, we must count in the // If there's already a same cell in the CellSet and we are using MSLAB, we must count in the
// MSLAB allocation size as well, or else there will be memory leak (occupied heap size larger // MSLAB allocation size as well, or else there will be memory leak (occupied heap size larger
// than the counted number) // than the counted number)
if (!succ && useMSLAB) { if (!succ && mslabUsed) {
s += getCellLength(cell); s += getCellLength(cell);
} }
updateMetaInfo(cell, s); updateMetaInfo(cell, s);