wohali commented on issue #1579: Autocompaction never triggered in Couch v2.2 URL: https://github.com/apache/couchdb/issues/1579#issuecomment-442659906 @regner Indeed, 2.2 introduced a bunch of new options that had the overall effect of slowing down replications as @nickva says above. You might want to have a read through: http://docs.couchdb.org/en/stable/whatsnew/2.2.html and specifically: > The compaction daemon now has a snooze period, during which it waits to start the next compaction after finishing the previous one. This value is useful in setups with many databases (e.g. with couch_peruser) or many design docs, which can cause a CPU spike every check_interval seconds. The setting can be adjusted in your local ini file via [compaction_daemon] snooze_period. The current default is a 3 second pause. > The check_interval has been raised from 300 seconds to 3600 seconds. > A notice-level log about closing view indexes has been demoted to the debug level. In a sceario with many design docs, this would createsignficant load on the logging subsystem every [compaction_daemon] check_interval for no discernible benefit. These changes were made because busy clusters couldn't handle the default compaction daemon load. Perhaps your cluster can? I agree there is probably an enhancement request here re: picking up where we left off after last runtime, so we don't always start with the same database. I'll file a separate request. Does the above information resolve your problem?
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