For those interested, setting up #ElasticSearch was fairly straightforward. I mostly followed the official instructions at https://docs.joinmastodon.org/admin/elasticsearch/, with two minor modifications: 1. I installed OpenJDK (latest version in the Ubuntu repository) 2. I installed […] - ThreadSky

daniel.colquitt.xyz.ap.brid.gy • 17 days ago

For those interested, setting up #ElasticSearch was fairly straightforward. I mostly followed the official instructions at https://docs.joinmastodon.org/admin/elasticsearch/, with two minor modifications:

1. I installed OpenJDK (latest version in the Ubuntu repository)
2. I installed […]

Comments

xeraa.mastodon.social.ap.brid.gy•17 days ago

@daniel nice!
also, you could have skipped the OpenJDK, it's built in. unless you overrode it through a setting, the JDK you installed won't be used

daniel.colquitt.xyz.ap.brid.gy•17 days ago

@xeraa good catch. Just reading the ES documentation now.

xeraa.mastodon.social.ap.brid.gy•17 days ago

@daniel we should update the docs. also for setting the heap size 😅

daniel.colquitt.xyz.ap.brid.gy•17 days ago

@xeraa Just making a pull request now…

xeraa.mastodon.social.ap.brid.gy•17 days ago

@daniel nice. thank you!

daniel.colquitt.xyz.ap.brid.gy•17 days ago

• Set ES_HOST=https://localhost in .env.production
• Set ES_CA_FILE=/path/to/selfsigned/cert

(b) I had to carefully set the maximum Java heap size, even though I thought I had plenty of RAM.

This last point confused me for sometime. I am running ES on the same VPS as my mastodon instance […]

daniel.colquitt.xyz.ap.brid.gy•17 days ago

It turns out that the issue wasn’t ES using excessive RAM, but rather the off heap memory growing from other processes. When the total RAM exceeded that available on the VPS, ES was killed.

Setting -Xmx2048m seems to result in a stable configuration with ES happily humming away […]

GhostOnTheHalfShell.masto.ai.ap.brid.gy•16 days ago

@daniel

Ack.. JDK, I almost imagine that everything Java would slowly fade into the background, but I guess it’s the new COBOL, although I’m much more modern language to say the least

daniel.colquitt.xyz.ap.brid.gy•16 days ago

@GhostOnTheHalfShell yeah, the need for a JVM is one of the reasons that I was hesitant to setting up elasticsearch. Unfortunately, there doesn’t seem to be any drop-in replacement that does not rely on Java.

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