create subclass of SingleInstanceLockFactory which warns loadly in the event of
concurrent lock attempts
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Key: SOLR-300
URL: https://issues.apache.org/jira/browse/SOLR-300
Project: Solr
Issue Type: Improvement
Reporter: Hoss Man
as noted by yonik in SOLR-240...
How about SingleInstanceLockFactory to aid in catching concurrency bugs?
...
or even better, a subclass or other implementation:
SingleInstanceWarnLockFactory or SingleInstanceCoordinatedLockFactory that log
a failure if obtain() is called for a lock that is already locked.
we should create a new subclass like Yonik describes and change SolrIndexWriter
to use this subclass if/when "single" is specified as the lockType.
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