Eric Newton created ACCUMULO-798:
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Summary: large ParNew can cause long-term stop-the-world java GC
Key: ACCUMULO-798
URL: https://issues.apache.org/jira/browse/ACCUMULO-798
Project: Accumulo
Issue Type: Bug
Components: tserver
Affects Versions: 1.4.1
Environment: running a tserver with a very large memory foot-print
(16G)
Reporter: Eric Newton
Assignee: Keith Turner
Priority: Trivial
Fix For: 1.4.2
While running a tserver with 16G of JVM memory, under continuous ingest, a
ParNew collection took longer than 40 seconds. This happened on two different
servers (out of 40) after performing continuous ingest for more than 20 hours.
Limiting the ParNew generation to 2G, and never saw this failure again.
Recommend this setting in the examples, even though none of the examples
approaches this memory size.
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