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From "Andrzej Bialecki (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-12765) Possibly incorrect format in JMX cache stats
Date Mon, 17 Sep 2018 11:54:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-12765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrzej Bialecki  updated SOLR-12765:
-------------------------------------
    Attachment: SOLR-12765.patch

> 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
>            Reporter: Bojan Smid
>            Assignee: Andrzej Bialecki 
>            Priority: Major
>         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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