Gus Heck created SOLR-13159:
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Summary: Autoscaling not distributing collection evenly
Key: SOLR-13159
URL: https://issues.apache.org/jira/browse/SOLR-13159
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: AutoScaling
Affects Versions: 8.0
Reporter: Gus Heck
I recently ran into a very strange behavior described in detail in the mail
linked at the bottom of this description. In short:
# Default settings didn't distribute nodes evenly on brand new 50 node cluster
# Can't seem to write rules producing suggestions to distribute them evenly
# Suggestions are made that then fail despite quiet cluster, no changes.
Also of note was diagnostic output containing this seemingly impossible result
with 2 cores counted and no replicas listed:
{code:java}
{
"node": "solr-2.customer.redacted.com:8983_solr",
"isLive": true,
"cores": 2,
"freedisk": 140.03918838500977,
"totaldisk": 147.5209503173828,
"replicas": {}
},{code}
I will attach anonymized cluster status output and autoscaling.json shortly
This issue may be related to SOLR-13142
http://mail-archives.apache.org/mod_mbox/lucene-dev/201901.mbox/%3CCAEUNc48HRZA7qo-uKtJQEtZnO9VG9OErQZGzoOmCTBe7C9zvNw%40mail.gmail.com%3E
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