@chris @jerome @EdwinG the main pain you'll experience is that by default elasticsearch assumes it should use the entire machine / VM / container. so it allocates 50% of the memory for its heap. if you have a 16GB instance, it doesn't automatically need 8GB for the heap. but you need to tell it what you feel is appropriate
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Unsolicited opinion: If #Mastodon wants to be a part of the #Fediverse that encourages small #selfhosted instances to be part of the whole, then it has to be a lean system able to be installed on second-hand/hand-me-down hardware and it should run reas... -
Unsolicited opinion: If #Mastodon wants to be a part of the #Fediverse that encourages small #selfhosted instances to be part of the whole, then it has to be a lean system able to be installed on second-hand/hand-me-down hardware and it should run reas...@chris @jerome @EdwinG so there is on and off heap (mostly caching) memory needed; normally you'd split it into equal parts. our smallest cloud instance has 1GB of memory and 500MB of heap
your use-case might need more (depending on how hard you push it). but just to get started you should be able to go with 1GB total or maybe even a little less
and I'd start with the JVM memory pressure to debug: https://www.elastic.co/guide/en/elasticsearch/reference/current/high-jvm-memory-pressure.html -
Unsolicited opinion: If #Mastodon wants to be a part of the #Fediverse that encourages small #selfhosted instances to be part of the whole, then it has to be a lean system able to be installed on second-hand/hand-me-down hardware and it should run reas... -
Unsolicited opinion: If #Mastodon wants to be a part of the #Fediverse that encourages small #selfhosted instances to be part of the whole, then it has to be a lean system able to be installed on second-hand/hand-me-down hardware and it should run reas...@chris yes: https://www.elastic.co/guide/en/elasticsearch/reference/current/advanced-configuration.html
1. create a file in /etc/elasticsearch/jvm.options.d/ with the custom config (this will survive upgrades; don't change the jvm.options file directly)
2. try something like 700m as a starting point. you might be able to go a bit lower. or with more activity you might need to go higher. there are details on the setting page for Xmx + Xms — this is what you want
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Unsolicited opinion: If #Mastodon wants to be a part of the #Fediverse that encourages small #selfhosted instances to be part of the whole, then it has to be a lean system able to be installed on second-hand/hand-me-down hardware and it should run reas...@jerome @EdwinG @chris I'm clearly biased here but we'd say that it's rather the opposite: https://www.elastic.co/blog/elasticsearch-opensearch-performance-gap
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Unsolicited opinion: If #Mastodon wants to be a part of the #Fediverse that encourages small #selfhosted instances to be part of the whole, then it has to be a lean system able to be installed on second-hand/hand-me-down hardware and it should run reas...@chris
1. not sure you're seen it already, but if you have docker you can just run "curl -fsSL https://elastic.co/start-local | sh" to get going (https://www.elastic.co/guide/en/elasticsearch/reference/current/run-elasticsearch-locally.html#local-dev-quick-start)
2. while elasticsearch won't be tiny, the most common problem is that people don't configure the heap size and then elasticsearch assumes that it should own the entire machine. will depend on your activity and the initial data import but 1GB should get you going.
I'd also say that some of the java dislike is a bit dated at this point