Mark Robert Miller created SOLR-17294:
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Summary: The stall detection in the ConcurrentUpdateSolrClients
easily detects false positives.
Key: SOLR-17294
URL: https://issues.apache.org/jira/browse/SOLR-17294
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Mark Robert Miller
Assignee: Mark Robert Miller
The current stall detection mechanism in the ConcurrentUpdateSolrClients is
prone to generating false positives, especially under load. As pointed out by
Jason, the existing approach simply intermittently monitors the queue size over
time to detect stalls. However, this method is insufficient because the queue
can report being full for extended periods when the system is under load, even
if no actual stall has occurred.
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