github/overleaf
1
0
Fork 0
mirror of https://github.com/overleaf/overleaf.git synced 2024-11-07 20:31:06 -05:00
Code Issues Projects Releases Packages Wiki Activity

fix exceeded lock timeout logging

Browse source 
we were logging this after failing to get the lock, this stops that
This commit is contained in:
Hayden Faulds 2018-02-20 14:03:43 +00:00
parent d924dbd1ed
commit 584cd71173
1 changed files with 11 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
services/web/app/coffee/infrastructure/LockManager.coffee
View file

@ -11,27 +11,25 @@ module.exports = LockManager =
SLOW_EXECUTION_THRESHOLD: 5000 # 5s, if execution takes longer than this then log
runWithLock: (namespace, id, runner = ( (releaseLock = (error) ->) -> ), callback = ( (error) -> )) ->
# The lock can expire in redis but the process carry on. This setTimout call
# is designed to log if this happens.
#
# error is defined here so we get a useful stacktrace
lockReleased = false
# This error is defined here so we get a useful stacktrace
slowExecutionError = new Error "slow execution during lock"
countIfExceededLockTimeout = () ->
if !lockReleased
metrics.inc "lock.#{namespace}.exceeded_lock_timeout"
logger.log "exceeded lock timeout", { namespace, id, slowExecutionError }
setTimeout countIfExceededLockTimeout, LockManager.REDIS_LOCK_EXPIRY * 1000
timer = new metrics.Timer("lock.#{namespace}")
key = "lock:web:#{namespace}:#{id}"
LockManager._getLock key, namespace, (error) ->
return callback(error) if error?
# The lock can expire in redis but the process carry on. This setTimout call
# is designed to log if this happens.
countIfExceededLockTimeout = () ->
metrics.inc "lock.#{namespace}.exceeded_lock_timeout"
logger.log "exceeded lock timeout", { namespace, id, slowExecutionError }
exceededLockTimeout = setTimeout countIfExceededLockTimeout, LockManager.REDIS_LOCK_EXPIRY * 1000
runner (error1, values...) ->
LockManager._releaseLock key, (error2) ->
lockReleased = true
clearTimeout exceededLockTimeout
timeTaken = new Date - timer.start
if timeTaken > LockManager.SLOW_EXECUTION_THRESHOLD
logger.log "slow execution during lock", { namespace, id, timeTaken, slowExecutionError }