Timothy Bish created AMQ-4721:
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Summary: Update slf4j library to latest version (1.7.5 currently)
Key: AMQ-4721
URL: https://issues.apache.org/jira/browse/AMQ-4721
Project: ActiveMQ
Issue Type: Improvement
Components: Broker
Affects Versions: 5.8.0
Reporter: Timothy Bish
Priority: Minor
Fix For: 5.9.0
We are currently on an older release v1.6.6 and should move on to the latest
v1.7.5 to pick up performance improvements etc.
>From the changelog:
"performance improvements: The logger factories in most SLF4J modules namely in
jcl-over-slf4j, log4j-over-slf4j, slf4j-jcl, slf4j-jdk14, slf4j-log4j12, and
slf4j-simple now use a ConcurrentHashMap instead of a regular HashMap to cache
logger instances. This change significantly improves logger retrieval times at
the cost of some memory overhead. This improvement was requested in bug #298 by
Taras Tielkes who also provided the relevant patch.
Given the significance of these performance improvements, users are highly
encouraged to migrate to SLF4J version 1.7.5 or later. "
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