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From "Karl Wright (JIRA)" <j...@apache.org>
Subject [jira] Closed: (SOLR-1951) extractingUpdateHandler doesn't close socket handles promptly, and indexing load tests eventually run out of resources
Date Tue, 15 Jun 2010 10:45:25 GMT

     [ https://issues.apache.org/jira/browse/SOLR-1951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karl Wright closed SOLR-1951.
-----------------------------

    Fix Version/s: 1.4.1
                   1.5
       Resolution: Fixed

The overnight indexing run did not die due to resource starvation, so it appears that using
keep-alive solves this problem, and no fix in Solr is required.


> extractingUpdateHandler doesn't close socket handles promptly, and indexing load tests
eventually run out of resources
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-1951
>                 URL: https://issues.apache.org/jira/browse/SOLR-1951
>             Project: Solr
>          Issue Type: Bug
>          Components: update
>    Affects Versions: 1.4.1, 1.5
>         Environment: sun java
> solr 1.5 build based on trunk
> debian linux "lenny"
>            Reporter: Karl Wright
>             Fix For: 1.4.1, 1.5
>
>         Attachments: solr-1951.zip
>
>
> When multiple threads pound on extractingUpdateRequestHandler using multipart form posting
over an extended period of time, I'm seeing a huge number of sockets piling up in the following
state:
> tcp6       0      0 127.0.0.1:8983          127.0.0.1:44058         TIME_WAIT
> Despite the fact that the client can only have 10 sockets open at a time, huge numbers
of sockets accumulate that are in this state:
> root@duck6:~# netstat -an | fgrep :8983 | wc
>   28223  169338 2257840
> root@duck6:~#
> The sheer number of sockets lying around seems to eventually cause commons-fileupload
to fail (silently - another bug) in creating a temporary file to contain the content data.
 This causes Solr to erroneously return a 400 code with "missing_content_data" or some such
to the indexing poster.

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