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https://issues.apache.org/jira/browse/ATLAS-4555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Albert Bikeev updated ATLAS-4555:
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Attachment: hotspot-analysis.png
> Atlas is very slow with non-embedded (Cassandra) backend
> ---------------------------------------------------------
>
> Key: ATLAS-4555
> URL: https://issues.apache.org/jira/browse/ATLAS-4555
> Project: Atlas
> Issue Type: Bug
> Components: atlas-core
> Affects Versions: 2.1.0, 2.2.0
> Reporter: Albert Bikeev
> Priority: Major
> Attachments: atlas-application.properties,
> delete-purge-profiling1.png, delete-purge-profiling2_nested-bulk.png,
> delete-purge-profiling2_nested-purge.png, hotspot-analysis.png
>
>
> h3. Environment:
> * Cassandra 3.x, 30GB RAM, 4 CPU VM, maximum read latency 30ms
> * Solr 7.7, 8 GB of RAM, 4 CPU VM
> * Tested on both 2.1.x and 2.2.x
> h3. Problems:
> * Startup time is 1-2 hours - applying default type-models patches
> * Deletes and purges rate is around 25 entities per minute, so if there is a
> thousand records to remove it'll take 40 minutes
> * When you want to edit an entity with big amount of references (like MySQL
> instance with a lot of databases) you could wait up to 5 minutes or even more
> before you see the full edit form
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