Github user denalex commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1168#discussion_r105250644
--- Diff: ranger-plugin/conf/rps.properties ---
@@ -31,6 +31,9 @@ RANGER_HAWQ_INSTANCE=hawq
# version of the software
RPS_VERSION=${project.version}
+# max heap size for RPS (Tomcat) process
+RPS_HEAP_SIZE=128m
--- End diff --
did load test, with 10 concurrent requests the mean response time is 4ms,
50 concurrent requests -- 18ms. min memory is about 40-50MB and GC can handle
collections under load with about 100ms / GC So, this seems to be sufficient
for anticipated workloads and out-of-the box sizing, it can be increased by
customers, if needed.
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