Merge pull request #13057 from rmuir/easier_mlockall
Make mlockall configuration easier.
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commit
7aa855da51
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@ -75,16 +75,18 @@ class JNANatives {
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}
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// mlockall failed for some reason
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logger.warn("Unable to lock JVM Memory: error=" + errno + ",reason=" + errMsg + ". This can result in part of the JVM being swapped out.");
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logger.warn("Unable to lock JVM Memory: error=" + errno + ",reason=" + errMsg);
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logger.warn("This can result in part of the JVM being swapped out.");
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if (errno == JNACLibrary.ENOMEM) {
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if (rlimitSuccess) {
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logger.warn("Increase RLIMIT_MEMLOCK, soft limit: " + rlimitToString(softLimit) + ", hard limit: " + rlimitToString(hardLimit));
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if (Constants.LINUX) {
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// give specific instructions for the linux case to make it easy
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String user = System.getProperty("user.name");
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logger.warn("These can be adjusted by modifying /etc/security/limits.conf, for example: \n" +
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"\t# allow user 'esuser' mlockall\n" +
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"\tesuser soft memlock unlimited\n" +
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"\tesuser hard memlock unlimited"
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"\t# allow user '" + user + "' mlockall\n" +
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"\t" + user + " soft memlock unlimited\n" +
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"\t" + user + " hard memlock unlimited"
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);
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logger.warn("If you are logged in interactively, you will have to re-login for the new limits to take effect.");
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}
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