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HBASE-3680 Publish more metrics about mslab 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1196232 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2011-11-01 19:32:53 +00:00
parent d5364c2bfd
commit 61735778e9
1 changed files with 12 additions and 0 deletions
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12
src/main/java/org/apache/hadoop/hbase/regionserver/MemStore.java
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@ -136,6 +136,18 @@ public class MemStore implements HeapSize {
}
}
/**
* @return the number of bytes "wasted" by external fragmentation
* in the MSLAB, if configured.
*/
long getMslabWaste() {
if (allocator != null) {
return allocator.getWastedBytes();
} else {
return 0;
}
}
void dump() {
for (KeyValue kv: this.kvset) {
LOG.info(kv);