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view scripts/server-ctl @ 5142:93832cec4c31
issue2550839: Xapian, DatabaseLockError: Unable to get write lock on
db/text-index: already locked
I put in a retry loop that will attempt to get the lock. 10 tries with
a delaythatvaries from .02 seconds to .64 seconds. Total delay over 10
cycles approx. 4.5 seconds.
I can't figure out how to make pytest run two parallel processes to
test this code. I did try running:
./run_tests.py -k Xapian test/test_indexer.py &
./run_tests.py -k Xapian test/test_indexer.py
and confirmed that one of the processes seemed to hang on a test and
then threw a lock failure error. So at least the code path is being
exercised.
If anybody knows how to correctly test this I would love to do a real
test.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Wed, 13 Jul 2016 19:42:44 -0400 |
| parents | 311ad623e2d1 |
| children |
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#!/bin/sh # # Configuration # CONFFILE="/var/roundup/server-config.ini" # this will end up with extra space, but it should be ignored in the script PIDFILE=`grep '^pidfile' ${CONFFILE} | awk -F = '{print $2}' ` SERVER="/usr/local/bin/roundup-server -C ${CONFFILE}" ERROR=0 ARGV="$@" if [ "x$ARGV" = "x" ] ; then ARGS="help" fi if [ -z "${PIDFILE}" ] ; then echo "pidfile option must be set in configuration file" exit 1 fi for ARG in $@ $ARGS do # check for pidfile if [ -f $PIDFILE ] ; then PID=`cat $PIDFILE` if [ "x$PID" != "x" ] && kill -0 $PID 2>/dev/null ; then STATUS="roundup-server (pid $PID) running" RUNNING=1 else STATUS="roundup-server (pid $PID?) not running" RUNNING=0 fi else STATUS="roundup-server (no pid file) not running" RUNNING=0 fi case $ARG in start) if [ $RUNNING -eq 1 ] ; then echo "$0 $ARG: roundup-server (pid $PID) already running" continue fi if $SERVER ; then echo "$0 $ARG: roundup-server started" else echo "$0 $ARG: roundup-server could not be started" ERROR=1 fi ;; condstart) if [ $RUNNING -eq 1 ] ; then continue fi if $SERVER ; then echo "$0 $ARG: roundup-server started" else echo "$0 $ARG: roundup-server could not be started" ERROR=1 fi ;; stop) if [ $RUNNING -eq 0 ] ; then echo "$0 $ARG: $STATUS" continue fi if kill $PID ; then echo "$0 $ARG: roundup-server stopped" else echo "$0 $ARG: roundup-server could not be stopped" ERROR=2 fi ;; status) echo $STATUS ;; *) echo "usage: $0 (start|condstart|stop|status)" cat <<EOF start - start roundup-server condstart - start roundup-server if it's not running stop - stop roundup-server status - display roundup-server status EOF ERROR=3 ;; esac done exit $ERROR
