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https://issues.apache.org/jira/browse/SOLR-7372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14487659#comment-14487659
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Shalin Shekhar Mangar commented on SOLR-7372:
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bq. I like this a lot. even when people have correctly sized the cache at
first, they can add docs and have problems. I can imagine someone wanting to
monitor when this limit is tripped rather than size, is that possible via JMX?
Yeah, good point. I can easily add another counter to track eviction due to RAM
usage.
> Limit LRUCache by RAM usage
> ---------------------------
>
> Key: SOLR-7372
> URL: https://issues.apache.org/jira/browse/SOLR-7372
> Project: Solr
> Issue Type: Improvement
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Fix For: Trunk, 5.2
>
> Attachments: SOLR-7372.patch
>
>
> Now that SOLR-7371 has made DocSet impls Accountable, we should add an option
> to LRUCache to limit itself by RAM.
> I propose to add a 'maxRamBytes' configuration parameter which it can use to
> evict items once the total RAM usage of the cache reaches this limit.
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