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``` define('WP_REDIS_DATABASE', 2 ); define( 'WP_REDIS_USER_SESSION_DB ', 10 ); define( 'WP_REDIS_GLOBAL_GROUPS ', ['blog-details', 'blog-id-cache', 'blog-lookup', 'global-posts', 'networks', 'rss', 'sites', 'site-details', 'site-lookup', 'site-options', 'site-transient', 'users', 'useremail', 'userlogins', 'userslugs'] ); define( 'WP_REDIS_IGNORED_GROUPS',...
@tillkruss , do you think trimming the groups in a certain way could help?
@yatsukhnenko thanks! Do you spot any groups that could be more affected by ZRANGEBYSCORE and ZREMRANGEBYSCORE command use as those seem, so I can try to exclude them?
@tillkruss that seems to have been part of the problem. Checking Redis slow log the metrics key appears a lot. Disabling this via config seems to have alleviated the problem...
@tillkruss overall server resources had enough room, (at least I thought) even during times when the problem arose. That said, no, I haven't looked into replication (yet). I changed the...
Tailing redis-server.log I find instances in irregular intervals of the type : Lua slow script detected: still in execution after 5055 milliseconds. You can try killing the script using the...
@tillkruss ``` Status: Connected Client: PhpRedis (v5.3.7) Drop-in: Valid Disabled: No Ping: 1 Errors: [] PhpRedis: 5.3.7 Relay: Not loaded Predis: 2.1.2 Credis: Not loaded PHP Version: 7.4.33 Plugin Version:...
@tillkruss FLUSHDB seems to be another culprit, according to slowlogs taking up to 32 seconds to flush causing connection timeouts. Is there a way to disable FLUSHDB entirely or use...
Hi @tillkruss provided already initially. ``` ### Memory - **Used Memory**: 2.70 GB (`used_memory_human`) - **Peak Memory Usage**: 2.70 GB (`used_memory_peak_human`) - **Memory Overhead**: 560 MB (`used_memory_overhead`) - **Dataset Memory**:...
@tillkruss just now with 55K keys in db 13 around 0.3s