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Posted to dev@lucene.apache.org by "Andrzej Bialecki (JIRA)" <ji...@apache.org> on 2018/09/18 06:17:00 UTC
[jira] [Resolved] (SOLR-12765) Possibly incorrect format in JMX
cache stats
[ https://issues.apache.org/jira/browse/SOLR-12765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrzej Bialecki resolved SOLR-12765.
--------------------------------------
Resolution: Fixed
Fix Version/s: master (8.0)
7.5
7.4.1
> Possibly incorrect format in JMX cache stats
> --------------------------------------------
>
> Key: SOLR-12765
> URL: https://issues.apache.org/jira/browse/SOLR-12765
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: metrics
> Affects Versions: 7.4, 7.5, master (8.0)
> Reporter: Bojan Smid
> Assignee: Andrzej Bialecki
> Priority: Major
> Fix For: 7.4.1, 7.5, master (8.0)
>
> Attachments: SOLR-12765.patch
>
>
> I posted a question on ML [https://mail-archives.apache.org/mod_mbox/lucene-solr-user/201809.mbox/%3CCAGniRXR4Ps%3D03X0uiByCn5ecUT2VY4TLV4iNcxCde3dxBnmC-w%40mail.gmail.com%3E|https://mail-archives.apache.org/mod_mbox/lucene-solr-user/201809.mbox/%3CCAGniRXR4Ps%3D03X0uiByCn5ecUT2VY4TLV4iNcxCde3dxBnmC-w%40mail.gmail.com%3E),] , but didn't get feedback. Since it looks like a possible bug, I am opening a ticket.
>
> It seems the format of cache mbeans changed with 7.4.0. And from what I see similar change wasn't made for other mbeans, which may mean it was accidental and may be a bug.
>
> In Solr 7.3.* format was (each attribute on its own, numeric type):
>
> mbean:
> solr:dom1=core,dom2=gettingstarted,dom3=shard1,dom4=replica_n1,category=CACHE,scope=searcher,name=filterCache
>
> attributes:
> lookups java.lang.Long = 0
> hits java.lang.Long = 0
> cumulative_evictions java.lang.Long = 0
> size java.lang.Long = 0
> hitratio java.lang.Float = 0.0
> evictions java.lang.Long = 0
> cumulative_lookups java.lang.Long = 0
> cumulative_hitratio java.lang.Float = 0.0
> warmupTime java.lang.Long = 0
> inserts java.lang.Long = 0
> cumulative_inserts java.lang.Long = 0
> cumulative_hits java.lang.Long = 0
>
> With 7.4.0 there is a single attribute "Value" (java.lang.Object):
>
> mbean:
> solr:dom1=core,dom2=gettingstarted,dom3=shard1,dom4=replica_n1,category=CACHE,scope=searcher,name=filterCache
>
> attributes:
> Value java.lang.Object = \{lookups=0, evictions=0, cumulative_inserts=0, cumulative_hits=0, hits=0, cumulative_evictions=0, size=0, hitratio=0.0, cumulative_lookups=0, cumulative_hitratio=0.0, warmupTime=0, inserts=0}
>
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