Re: [HACKERS] Last log line for log_temp_files is disassociated with query

2013-06-07 Thread Tom Lane
Josh Berkus writes: > ... that is, for some reason, the last log line reported by > log_temp_files becomes disassociated with the query which was using temp > space in the first place. Often, that last file is the biggest one, as > well. > Is this a fixable bug? Without a concrete test case, it

Re: [HACKERS] Last log line for log_temp_files is disassociated with query

2013-06-07 Thread Josh Berkus
On 06/07/2013 04:52 PM, Josh Berkus wrote: > In many cases, this is what I see (9.2.4): > > session_line_num|message|query > 423|temporary file: path ...procid.0 file size: 525122|SELECT ... > 424|temporary file: path ...procid.1 file size: 622044|SELECT ... > 425|duration: 17078.635 ms execute :

[HACKERS] Last log line for log_temp_files is disassociated with query

2013-06-07 Thread Josh Berkus
Folks, I've been trying to write some tools which (for example) give how much total temp file space was used by specific individual slow queries. And this turns out to be inordinately hard to do because of how log_temp_files works. In many cases, this is what I see (9.2.4): session_line_num|mes