On Sun, Feb 13, 2011 at 7:54 AM, Lance Norskog <goks...@gmail.com> wrote: > If you're a unix shell scripting wiz, here are a few strategies. > > Tail the logfile and filter for the string 'QTime'. The number is the > very last string in the line. So, strip the text between the timestamp > and the number- sort by the timestamp first and the number second. Now > grab the first qtime for each timestamp. I don't know a command for > this. This gives you the longest query time for each second. [...]
Thanks for the idea. As this was useful enough for us, have gone ahead
and implemented it.
* Attached is a bash script that will print
timestamp query-string qtime
for each query in a list of Solr log files specified as command-line
arguments.
* Use as "./qtime_solr.sh logfile1 logfile2...". Without any arguments,
the script uses /var/log/tomcat6/catalina.out as the log file.
* Have only minimally tested it, but would be glad to fix any bugs
that people encounter.
* Have *not* implemented the latter part of the suggestion, i.e.,
sorting by timestamp, and taking only the first query. IMHO, the
needs here might be different, and it is best to have a second
script doing this, that uses the output from this one.
* Not sure if attachments to this list are stripped, so the script has
also been uploaded to http://pastebin.com/YLqBHp19
Regards,
Gora
qtime_solr.sh
Description: Bourne shell script
