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Commit6b7eebc

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Increase PG_SYSLOG_LIMIT (the max line length sent to syslog()) from 128 to
1024 to improve performance when sending large elog messages. Also add acomment about why we use that number.Since this represents an externally visible behavior change, and mightpossibly result in portability issues, it seems best not to back-patch it.
1 parent3793310 commit6b7eebc

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-6
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1 file changed

+12
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‎src/backend/utils/error/elog.c

Lines changed: 12 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -42,7 +42,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.204 2008/07/08 22:17:41 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.205 2008/07/09 15:56:49 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -85,6 +85,17 @@ char *Log_line_prefix = NULL;/* format for extra log line info */
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intLog_destination=LOG_DESTINATION_STDERR;
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#ifdefHAVE_SYSLOG
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/*
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* Max string length to send to syslog(). Note that this doesn't count the
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* sequence-number prefix we add, and of course it doesn't count the prefix
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* added by syslog itself. On many implementations it seems that the hard
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* limit is approximately 2K bytes including both those prefixes.
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*/
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#ifndefPG_SYSLOG_LIMIT
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#definePG_SYSLOG_LIMIT 1024
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#endif
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staticboolopenlog_done= false;
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staticchar*syslog_ident=NULL;
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staticintsyslog_facility=LOG_LOCAL0;
@@ -1257,7 +1268,6 @@ DebugFileOpen(void)
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}
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#ifdefHAVE_SYSLOG
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/*
@@ -1293,10 +1303,6 @@ set_syslog_parameters(const char *ident, int facility)
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}
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#ifndefPG_SYSLOG_LIMIT
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#definePG_SYSLOG_LIMIT 128
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#endif
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/*
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* Write a message line to syslog
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*/

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