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Set LD_LIBRARY_PATH so Cassandra runs on Test/Continuous Clusters #125

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Jul 30, 2015
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Set LD_LIBRARY_PATH so Cassandra runs on Test/Continuous Clusters #125

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4 changes: 3 additions & 1 deletion ...er/src/main/java/io/mesosphere/mesos/frameworks/cassandra/scheduler/CassandraCluster.java
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,8 @@ public final class CassandraCluster {
);

private static final Map<String, String> executorEnv = unmodifiableHashMap(
tuple2("JAVA_OPTS", "-Xms256m -Xmx256m")
tuple2("JAVA_OPTS", "-Xms256m -Xmx256m"),
tuple2("MESOSPHERE_LD_LIBRARY_PATH", "/opt/mesosphere/lib")
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On non dcos clusters (most major linux distributions), LD library path is typically located under "/usr/local/lib". I'm not very familiar with this code, but I wanted to double check that the default value is correct here.

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This value is appended to the path at executor start time. You're right that it's normally not there and will only be there in DCOS.

I want to test this out on DCOS and mesos to make sure that it works in both locations then I'll merge it.

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This has been tested on DCOS and mesos clusters now.

);

private static final TaskResources EXECUTOR_RESOURCES = taskResources(0.1, 384, 256);
Expand Down Expand Up @@ -606,6 +607,7 @@ private CassandraNodeExecutor buildCassandraNodeExecutor(@NotNull final String e
final CassandraConfigRole configRole = configuration.getDefaultConfigRole();

final List<String> command = newArrayList(
"export LD_LIBRARY_PATH=$MESOSPHERE_LD_LIBRARY_PATH:$LD_LIBRARY_PATH && ",
javaExec,
// "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005",
"-XX:+PrintCommandLineFlags",
Expand Down