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https://issues.apache.org/jira/browse/BOOKKEEPER-862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14944715#comment-14944715
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Hudson commented on BOOKKEEPER-862:
-----------------------------------
FAILURE: Integrated in bookkeeper-master #1161 (See
[https://builds.apache.org/job/bookkeeper-master/1161/])
BOOKKEEPER-862: Add tracing and stats to OrderedSafeExecutor for (sijie: rev
6cfecea6c3e2b6e327fb53ac85f1894df81a10b2)
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/ReadEntryProcessor.java
* CHANGES.txt
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/conf/ClientConfiguration.java
* bookkeeper-server/src/test/java/org/apache/bookkeeper/test/LoopbackClient.java
*
bookkeeper-server/src/test/java/org/apache/bookkeeper/test/BookieClientTest.java
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/LedgerFragmentReplicator.java
* bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookieClient.java
*
hedwig-server/src/main/java/org/apache/hedwig/server/persistence/ReadAheadCache.java
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/PacketProcessorBaseV3.java
*
hedwig-server/src/main/java/org/apache/hedwig/server/benchmark/BookieBenchmark.java
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/WriteEntryProcessor.java
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/LedgerDeleteOp.java
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/PerChannelBookieClient.java
* bookkeeper-server/src/main/java/org/apache/bookkeeper/client/LedgerOpenOp.java
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/util/OrderedSafeExecutor.java
* bookkeeper-server/src/main/java/org/apache/bookkeeper/client/BookKeeper.java
*
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/ReadOnlyLedgerHandle.java
*
bookkeeper-benchmark/src/main/java/org/apache/bookkeeper/benchmark/BenchBookie.java
* bookkeeper-server/src/main/java/org/apache/bookkeeper/client/LedgerHandle.java
*
bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/TestPerChannelBookieClient.java
> Add tracing and stats to OrderedSafeExecutor for debugging slow tasks
> ---------------------------------------------------------------------
>
> Key: BOOKKEEPER-862
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-862
> Project: Bookkeeper
> Issue Type: Improvement
> Components: bookkeeper-server
> Reporter: Leigh Stewart
> Assignee: Leigh Stewart
> Priority: Minor
> Fix For: 4.4.0
>
> Attachments: BOOKKEEPER-862.patch, BOOKKEEPER-862.patch,
> ose_stats-rebase.patch, ose_stats.patch
>
>
> Porting a change form the Twitter branch to improve stats and logging in
> OrderedSafeExecutor
> These changes have been helpful for us in debugging latency issues in
> Bookkeeper server/client
> Summary of changes is
> * add a config option for op stats
> * add stats for task execution time, task pending time
> * add a config option for logging a warning when an op takes longer than x
> micros
> * add toString implementations for submitted tasks so make it easier to track
> down slow ops
> * start using Builder for OrderedSafeExecutor
> * add a very simple test to make sure that the slow op logging path is
> exercised
> Most of this came from Sijie originally, with some changes from me
>
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