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Posted to notifications@couchdb.apache.org by GitBox <gi...@apache.org> on 2021/06/03 22:51:01 UTC

[GitHub] [couchdb] wohali edited a comment on issue #3047: Increase slack_db min priority (was: Upgrade from 2.3.1 to 3.1.0 - leads to 100% CPU Usage on both CentOs 7 and Mac-os)

wohali edited a comment on issue #3047:
URL: https://github.com/apache/couchdb/issues/3047#issuecomment-854230247


   Based on info from the above, we're going to bump the `slack_dbs` and `slack_views` defaults to 512MB, but leave the ratio at 2.0. If people have evidence to suggest other appropriate defaults, let us know. 
   
   Related PRs:
   * 
   * https://github.com/apache/couchdb-documentation/pull/663
   
   The problem is that any default setting here will be too aggressive for some users, and too lenient for others.
   
   A potential future smoosh 2.0 could autotune in response to remaining disk space and current foreground load. 
   
   A potential future smooth 3.0 would simply calculate the future state of the universe and then change these values to avoid any bad outcomes.
   
   Towards either improvement... "pull requests welcome."


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