Lars Michele created JCR-3449:
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Summary: Improved performance for concurrent read-only access
Key: JCR-3449
URL: https://issues.apache.org/jira/browse/JCR-3449
Project: Jackrabbit Content Repository
Issue Type: Improvement
Components: jackrabbit-core
Affects Versions: 2.4.3, 2.2.13
Reporter: Lars Michele
Priority: Minor
Attachments: jackrabbit-concurrent-read.patch
This patch relates to JCR-890. The current implementation allows to share a
session across multiple threads reading, but the locking mechanism used makes
this use-case slow. The attached patch uses a ReentrantReadWriteLock for
accessing session internals, which allows concurrent reads be executed
concurrently. The only drawback is, that for the "autofix" feature to work as
before one has to instantiate a thread on such cases, because it cannot be
executed in the read-scope of a the session facing such problems.
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