Julian Sedding created SLING-7577:
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Summary: FS Resource Provider slow due to frequent file stat access
Key: SLING-7577
URL: https://issues.apache.org/jira/browse/SLING-7577
Project: Sling
Issue Type: Improvement
Components: JCR
Affects Versions: File System Resource Provider 2.1.12
Reporter: Julian Sedding
Assignee: Julian Sedding
Fix For: File System Resource Provider 2.1.14
The file-system resource provider is relatively slow, because it frequently
checks for file existence, for whether a file is a directory or a file and for
the last modified time.
Normally this is not an issue, but in a setup where context aware
configurations are used via FSRP, there are a lot of lookups for non-existing
resources, which are not cached in any way. In the scenario I experienced, the
same lookups occurred frequently during a single HTTP request and caused
page-rendering to take ~5s.
To improve this, I propose to cache file stats, including non-existence of a
file.
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