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From "David Smiley (JIRA)" <>
Subject [jira] [Updated] (SOLR-2615) Have LogUpdateProcessor log each command (add, delete, ...) at debug/FINE level
Date Wed, 22 Jun 2011 15:52:47 GMT


David Smiley updated SOLR-2615:

    Attachment: SOLR-2615_LogUpdateProcessor_debug_logging.patch

> Have LogUpdateProcessor log each command (add, delete, ...) at debug/FINE level
> -------------------------------------------------------------------------------
>                 Key: SOLR-2615
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>            Reporter: David Smiley
>            Priority: Minor
>             Fix For: 3.3
>         Attachments: SOLR-2615_LogUpdateProcessor_debug_logging.patch
> It would be great if the LogUpdateProcessor logged each command (add, delete, ...) at
debug ("Fine") level. Presently it only logs a summary of 8 commands and it does so at the
very end.
> The attached patch implements this.
> * I moved the LogUpdateProcessor ahead of RunUpdateProcessor so that the debug level
log happens before Solr does anything with it. It should not affect the ordering of the existing
summary log which happens at finish(). 
> * I changed UpdateRequestProcessor's static log variable to be an instance variable that
uses the current class name. I think this makes much more sense since I want to be able to
alter logging levels for a specific processor without doing it for all of them. This change
did require me to tweak the factory's detection of the log level which avoids creating the
> * There was an NPE bug in AddUpdateCommand.getPrintableId() in the event there is no
schema unique field. I fixed that.
> You may notice I use SLF4J's nifty log.debug("message blah {} blah", var) syntax, which
is both performant and concise as there's no point in guarding the debug message with an isDebugEnabled()
since debug() will internally check this any way and there is no string concatenation if debug
isn't enabled.

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