Rei Odaira created CASSANDRA-11576:
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Summary: Add support for JNA mlockall(2) on POWER
Key: CASSANDRA-11576
URL: https://issues.apache.org/jira/browse/CASSANDRA-11576
Project: Cassandra
Issue Type: Improvement
Components: Core
Environment: POWER architecture
Reporter: Rei Odaira
Priority: Minor
Fix For: 2.1.x, 2.2.x, 3.0.x, 3.x
org.apache.cassandra.utils.CLibrary contains hard-coded C-macro values to be
passed to system calls through JNA. These values are system-dependent, and as
far as I investigated, Linux and AIX on the IBM POWER architecture define
{{MCL_CURRENT}} and {{MCL_FUTURE}} (for mlockall(2)) as different values than
the current hard-coded values. As a result, mlockall(2) fails on these
platforms.
{code}
WARN 18:51:51 Unknown mlockall error 22
{code}
I am going to provide a patch to support JNA mlockall(2) on POWER.
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