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https://issues.apache.org/jira/browse/AMQ-5430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14226278#comment-14226278
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Anuj Khandelwal commented on AMQ-5430:
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HI,
I am using Java based Leveldb implementation.
As I can see : "org.iq80.leveldb.impl.Iq80DBFactory" as an indexFactory and
logs says that : "[20141119 14:24:38.293 IST (main)
org.apache.activemq.leveldb.util.Log$class#info 93 INFO] - Using the pure java
LevelDB implementation."
I am using the default leveldb configuration, i just removed
"pax-url-aether-1.5.2.jar" to run broker with leveldb.
Thanks,
Anuj
> LevelDB on NFS creats .nfs files
> --------------------------------
>
> Key: AMQ-5430
> URL: https://issues.apache.org/jira/browse/AMQ-5430
> Project: ActiveMQ
> Issue Type: Bug
> Components: activemq-leveldb-store, Broker
> Affects Versions: 5.10.0
> Reporter: Anuj Khandelwal
>
> We are currently testing levelDB on NFS.
> leveldb creates .log files in leveldb directory to store actual message/data
> and this files rotates after 100MB size. These .log files gets deleted when
> all the messages are consumed from a particular file.
> Issue: After all the messages are consumed I can see that files are getting
> deleted but internally they are creating .nfs files of same size.
> we have to restart the process to delete those .nfs files.
> From my understanding: It seems that the LevelDB store keeps the old logfiles
> open after they were deleted.
> Below is the snapshot of files:
> amqt...@kepler19.nyc:/u/amqtest/dev/leveldb> ls -a
> .nfs000000000082e7be0000fafe
> .nfs0000000000960d1e0000eb46
> .nfs00000000010332430000ea15
> .nfs0000000000614cf10000eaef
> .nfs0000000000960d1a0000ee3e
> .nfs00000000010332420000e52d
> dirty.index
> store-version.txt
> .nfs000000000082e7c3000100c5
> .nfs0000000000960d1f0000f27f
> 00000000724ff92c.index
> lock
> 00000000724ff92c.log
> plist.index
> --------------------------------------------------------------------------------------
> amqt...@kepler19.nyc:/u/amqtest/dev/leveldb> du -sh .nfs*
> 107M .nfs0000000000614cf10000eaef
> 101M .nfs000000000082e7be0000fafe
> 101M .nfs000000000082e7c3000100c5
> 108M .nfs0000000000960d1a0000ee3e
> 106M .nfs0000000000960d1e0000eb46
> 104M .nfs0000000000960d1f0000f27f
> 101M .nfs00000000010332420000e52d
> 101M .nfs00000000010332430000ea15
> Thanks,
> Anuj
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