Rules threw this error "Cache rebuild lock hit: rules_event_whitelist" three times in the same minute, and failed to execute the actions it was supposed to do during that minute. If any other info would be helpful, please let me know. Unfortunately I can't show how to reproduce since failing to execute actions has happened only a few times over the past weeks.

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laboratory.mike’s picture

laboratory.mike
Primary language English
CreditAttribution: laboratory.mike as a volunteer commented

I've gotten this error from time to time also. I'm looking at a grep report, and see that rules.core.inc, rules.plugins.inc, and rules.module all have a reference to the rules_events_whitelist cache. Maybe you could throw in a dpm() or print_r() just before those to see if we can print out what is being sent to the rebuild events?

ShaunDychko’s picture

ShaunDychko CreditAttribution: ShaunDychko as a volunteer commented

I was getting lots of different cache types, not just rules_events_whitelist. I downgraded to Rule 7.x-2.7, and there haven't been any problems since.

fago’s picture

fago
Primary language German
Location Vienna
CreditAttribution: fago at drunomics commented

We are trying to improve things at #2650886: Reduce the likeliness of cache rebuilding locks - thus closing in favour of that.

fago’s picture

fago
Primary language German
Location Vienna
CreditAttribution: fago at drunomics commented
Status: Active » Closed (duplicate)