Zheng Wang created HBASE-27805:
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Summary: The chunk created by mslab may cause memory fragement and
leading to fullgc
Key: HBASE-27805
URL: https://issues.apache.org/jira/browse/HBASE-27805
Project: HBase
Issue Type: Improvement
Components: regionserver
Reporter: Zheng Wang
Assignee: Zheng Wang
The default size of chunk is 2MB, when we use G1, if heapRegionSize equals 4MB,
these chunks are allocated as humongous objects, exclusively allocating one
region, then the remaining 2MB become memory fragement.
Lots of memory fragement may leading to fullgc even if the percent of used heap
not high enough.
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