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From: "Ryan Ernst (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] [Assigned] (SOLR-5399) Improve DebugComponent for
 distributed requests
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     [ https://issues.apache.org/jira/browse/SOLR-5399?page=3Dcom.atlassian=
.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ryan Ernst reassigned SOLR-5399:
--------------------------------

    Assignee: Ryan Ernst

> Improve DebugComponent for distributed requests
> -----------------------------------------------
>
>                 Key: SOLR-5399
>                 URL: https://issues.apache.org/jira/browse/SOLR-5399
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 5.0
>            Reporter: Tom=C3=A1s Fern=C3=A1ndez L=C3=B6bbe
>            Assignee: Ryan Ernst
>         Attachments: SOLR-5399.patch, SOLR-5399.patch, SOLR-5399.patch
>
>
> I'm working on extending the DebugComponent for adding some useful inform=
ation to be able to track distributed requests better. I'm adding two diffe=
rent things, first, the request can generate a "request ID" that will be pr=
inted in the logs for the main query and all the different internal request=
s to the different shards. This should make it easier to find the different=
 parts of a single user request in the logs. It would also add the "purpose=
" of each internal request to the logs, like: RequestPurpose=3DGET_FIELDS,G=
ET_DEBUG or RequestPurpose=3DGET_TOP_IDS.=20
> Also, I'm adding a "track" section to the debug info where to add informa=
tion about the different phases of the distributed request (right now, I'm =
only including QTime, but could eventually include more information) like:=
=20
> {code:xml}
> <lst name=3D"debug">
>     <lst name=3D"track">
>         <lst name=3D"EXECUTE_QUERY">
>             <str name=3D"localhost:8985/solr">QTime: 10</str>
>             <str name=3D"localhost:8984/solr">QTime: 25</str>
>         </lst>
>         <lst name=3D"GET_FIELDS">
>             <str name=3D"localhost:8985/solr">QTime: 1</str>
>         </lst>
>     </lst>
> </lst>
> {code}
> To get this, debugQuery must be set to true, or debug must include "debug=
=3Dtrack". This information is only added to distributed requests.  I would=
 like to get feedback on this.



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