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From "Adam Kocoloski (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COUCHDB-248) The log process should use SASL for logging
Date Tue, 03 Nov 2009 02:11:59 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12772829#action_12772829
] 

Adam Kocoloski commented on COUCHDB-248:
----------------------------------------

Hi Paul, I don't know what's "normal".  As Dip pointed out, SASL ships with a few event handlers.
 We use the default one (sasl_report_tty_h) and set 

-sasl errlog_type error

in the startup script so that it only logs error-level messages.  I think that logger only
handles crash and supervisor reports, becuase we define ?LOG_DEBUG and ?LOG_INFO to send info_reports
and ?LOG_ERROR to send error reports of specific types (couch_debug/info/error), and those
types are only handled by custom event handlers.

I don't think there's anything too weird about writing our own event handlers for these messages.
 The event handlers that ship with SASL are probably much too verbose for an access log anyway.

One area where we do need to improve is in trimming down those crash reports.  There's a lot
of duplicate info in there, in part because our handler and sasl_report_tty_h sometimes end
up effectively logging two copies of the same crash.

> The log process should use SASL for logging
> -------------------------------------------
>
>                 Key: COUCHDB-248
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-248
>             Project: CouchDB
>          Issue Type: Improvement
>          Components: Database Core
>    Affects Versions: 0.9
>         Environment: any
>            Reporter: Ulises Cervino Beresi
>            Priority: Minor
>
> As it stands the log process is ad-hoc since it was written from scratch. Making it a
wrapper around SASL (http://erlang.org/doc/apps/sasl/index.html) would be a good improvement.

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