saintstack commented on a change in pull request #548: HBASE-22930 Set unique
name to longCompactions/shortCompactions threads
URL: https://github.com/apache/hbase/pull/548#discussion_r318321645
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactSplit.java
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@@ -136,19 +136,22 @@ private void createCompactionExecutors() {
Preconditions.checkArgument(largeThreads > 0 && smallThreads > 0);
final String n = Thread.currentThread().getName();
-
StealJobQueue<Runnable> stealJobQueue = new
StealJobQueue<Runnable>(COMPARATOR);
- this.longCompactions = new ThreadPoolExecutor(largeThreads, largeThreads,
60,
- TimeUnit.SECONDS, stealJobQueue,
- new ThreadFactoryBuilder()
- .setNameFormat(n + "-longCompactions-" +
System.currentTimeMillis())
- .setDaemon(true).build());
+
+ AtomicInteger longCompactionThreadCounter = new AtomicInteger(0);
+ this.longCompactions =
+ new ThreadPoolExecutor(largeThreads, largeThreads, 60,
TimeUnit.SECONDS, stealJobQueue,
+ new ThreadFactoryBuilder().setNameFormat(n + "-longCompactions-"
+ + longCompactionThreadCounter.getAndIncrement() + "-" +
System.currentTimeMillis())
+ .setDaemon(true).build());
Review comment:
Does this work @pankaj72981 ? Each time we create a new thread in
ThreadPoolExecutor, does the local longCompactionThreadCounter get a
#getAndIncrement call so each thread gets an id? If so, do we need the
System.currentTimeMillis thing?
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