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increase logging for discarded updates and version mismatch

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This commit is contained in:
Brian Gough 2016-03-24 11:54:06 +00:00
parent 181cebecef
commit 31348141d8
1 changed files with 5 additions and 2 deletions
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7
services/track-changes/app/coffee/UpdatesManager.coffee
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@ -30,15 +30,18 @@ module.exports = UpdatesManager =
# Ensure that raw updates start where lastVersion left off
if lastVersion?
discardedUpdates = []
rawUpdates = rawUpdates.slice(0)
while rawUpdates[0]? and rawUpdates[0].v <= lastVersion
rawUpdates.shift()
discardedUpdates.push rawUpdates.shift()
if discardedUpdates.length
logger.error project_id: project_id, doc_id: doc_id, discardedUpdates: discardedUpdates, temporary: temporary, lastVersion: lastVersion, "discarded updates already present"
if rawUpdates[0]? and rawUpdates[0].v != lastVersion + 1
ts = lastCompressedUpdate?.meta?.end_ts
last_timestamp = if ts? then new Date(ts) else 'unknown time'
error = new Error("Tried to apply raw op at version #{rawUpdates[0].v} to last compressed update with version #{lastVersion} from #{last_timestamp}")
logger.error err: error, doc_id: doc_id, project_id: project_id, prev_end_ts: ts, "inconsistent doc versions"
logger.error err: error, doc_id: doc_id, project_id: project_id, prev_end_ts: ts, temporary: temporary, lastCompressedUpdate: lastCompressedUpdate, "inconsistent doc versions"
if Settings.trackchanges?.continueOnError and rawUpdates[0].v > lastVersion + 1
# we have lost some ops - continue to write into the database, we can't recover at this point
lastCompressedUpdate = null