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https://issues.apache.org/jira/browse/BOOKKEEPER-1051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16004468#comment-16004468
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Enrico Olivelli commented on BOOKKEEPER-1051:
---------------------------------------------
[~mmerli] [~hustlmsp]
I am testing current master and in my tests I see this kind of logs (due to the
new shutdownNow call).
I wonder if we can change the severity level of the logger in
ScanAndCompareGarbageCollector in case of shutdown in progress ?
Maybe when we will be close to the release It would be good to check logs and
see if scary logs can be hidden in common cases
{code}
mag 10, 2017 12:46:41 PM org.apache.bookkeeper.bookie.GarbageCollectorThread
shutdown
INFORMAZIONI: Shutting down GarbageCollectorThread
mag 10, 2017 12:46:41 PM org.apache.bookkeeper.bookie.EntryLogger shutdown
INFORMAZIONI: Stopping EntryLogger
mag 10, 2017 12:46:41 PM
org.apache.bookkeeper.bookie.ScanAndCompareGarbageCollector gc
AVVERTENZA: Exception when iterating over the metadata {}
java.io.IOException: Error when get child nodes from zk
at
org.apache.bookkeeper.meta.LongHierarchicalLedgerManager$LongHierarchicalLedgerRangeIterator.getLedgerRangeByLevel(LongHierarchicalLedgerManager.java:348)
at
org.apache.bookkeeper.meta.LongHierarchicalLedgerManager$LongHierarchicalLedgerRangeIterator.initialize(LongHierarchicalLedgerManager.java:240)
at
org.apache.bookkeeper.meta.LongHierarchicalLedgerManager$LongHierarchicalLedgerRangeIterator.initialize(LongHierarchicalLedgerManager.java:238)
at
org.apache.bookkeeper.meta.LongHierarchicalLedgerManager$LongHierarchicalLedgerRangeIterator.initialize(LongHierarchicalLedgerManager.java:238)
at
org.apache.bookkeeper.meta.LongHierarchicalLedgerManager$LongHierarchicalLedgerRangeIterator.initialize(LongHierarchicalLedgerManager.java:238)
at
org.apache.bookkeeper.meta.LongHierarchicalLedgerManager$LongHierarchicalLedgerRangeIterator.preload(LongHierarchicalLedgerManager.java:299)
at
org.apache.bookkeeper.meta.LongHierarchicalLedgerManager$LongHierarchicalLedgerRangeIterator.hasNext(LongHierarchicalLedgerManager.java:314)
at
org.apache.bookkeeper.bookie.ScanAndCompareGarbageCollector.gc(ScanAndCompareGarbageCollector.java:107)
at
org.apache.bookkeeper.bookie.GarbageCollectorThread.doGcLedgers(GarbageCollectorThread.java:385)
at
org.apache.bookkeeper.bookie.GarbageCollectorThread.safeRun(GarbageCollectorThread.java:344)
at org.apache.bookkeeper.util.SafeRunnable.run(SafeRunnable.java:31)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at
org.apache.bookkeeper.util.ZkUtils.getChildrenInSingleNode(ZkUtils.java:187)
at
org.apache.bookkeeper.meta.LongHierarchicalLedgerManager$LongHierarchicalLedgerRangeIterator.getLedgerRangeByLevel(LongHierarchicalLedgerManager.java:346)
... 17 more
{code}
> Fast shutdown for GarbageCollectorThread
> ----------------------------------------
>
> Key: BOOKKEEPER-1051
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-1051
> Project: Bookkeeper
> Issue Type: Improvement
> Reporter: Matteo Merli
> Assignee: Matteo Merli
> Priority: Minor
> Fix For: 4.5.0
>
>
> Several unit tests are taking very long time to complete (eg:
> {{BookieLedgerIndexTest}} taking ~10 minutes).
> The reason is that these tests are playing with the ZK quorum shutting it
> down and after the test succeeds, the shutdown phase is taking long time,
> since we try to do graceful shutdown with 1min wait time.
> I think is better to interrupt immediately the garbage collector thread when
> shutting down the bookie.
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