[jira] [Updated] (OAK-3881) TCPBroadcaster causes shutdown delay

["Marcel Reutegger (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-3881?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marcel Reutegger updated OAK-3881:
----------------------------------
    Fix Version/s: 1.4

> TCPBroadcaster causes shutdown delay
> ------------------------------------
>
>                 Key: OAK-3881
>                 URL: https://issues.apache.org/jira/browse/OAK-3881
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: core, documentmk
>            Reporter: Marcel Reutegger
>            Assignee: Marcel Reutegger
>            Priority: Minor
>             Fix For: 1.4
>
>
> OAK-3727 enabled the broadcasting cache by default. With this change the shutdown of a DocumentNodeStore gets delayed by roughly one second. This is also visible in the time it takes to run the tests on travis. Previously the build took 35 min. The build with OAK-3727 took 45 minutes.
> A thread dump shows the following threads:
> {noformat}
> "Oak TCPBroadcaster: discover #50" daemon prio=5 tid=0x00007f8957837800 nid=0x5e13 waiting on condition [0x0000000116b5b000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.jackrabbit.oak.plugins.document.persistentCache.broadcast.TCPBroadcaster.discover(TCPBroadcaster.java:268)
> 	at org.apache.jackrabbit.oak.plugins.document.persistentCache.broadcast.TCPBroadcaster$2.run(TCPBroadcaster.java:155)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> And the shutdown waiting for above thread:
> {noformat}
> "main" prio=5 tid=0x00007f8954000800 nid=0x1303 in Object.wait() [0x000000010cd5e000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	- waiting on <0x00000007f6c80e10> (a java.lang.Thread)
> 	at java.lang.Thread.join(Thread.java:1281)
> 	- locked <0x00000007f6c80e10> (a java.lang.Thread)
> 	at java.lang.Thread.join(Thread.java:1355)
> 	at org.apache.jackrabbit.oak.plugins.document.persistentCache.broadcast.TCPBroadcaster.close(TCPBroadcaster.java:379)
> 	at org.apache.jackrabbit.oak.plugins.document.persistentCache.PersistentCache.close(PersistentCache.java:346)
> 	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.dispose(DocumentNodeStore.java:581)
> {noformat}



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