Mihaly Toth created SOLR-11873:
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Summary: Use time based expiration cache in all places in
HdfsDirectoryFactory
Key: SOLR-11873
URL: https://issues.apache.org/jira/browse/SOLR-11873
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: hdfs
Affects Versions: 7.2
Reporter: Mihaly Toth
{{HdfsDirectoryFactory.exists()}} method already applies caching on FileSystem
objects. This is not done yet in the {{size()}} method.
This function is eventually used when querying the core status. Each and every
query will use the same configuration and start from the first configured HDFS
NameNode. If that is down Solr will always access this down node first without
"learning".
It would be nice to apply the same caching on that function too.
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