Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/488#discussion_r63736792
--- Diff: core/sql/cli/SessionDefaults.cpp ---
@@ -193,6 +194,8 @@ SessionDefaults::SessionDefaults(CollHeap * heap)
setEspStopIdleTimeout(60);
// Default is 1800 (idle ESPs time out in 30 minutes)
setEspIdleTimeout(30*60);
+ // Default is 1800 (Compiler Idle time out in 30 minutes)
+ setCompilerIdleTimeout(30*60);
--- End diff --
What do we use the compiler for now? SQL compiles are all done in the
embedded compiler. I'm guessing DDL and some utilities are the only reasons we
use a separate compiler. Since these operations are relatively infrequent, I
wonder if we should make the timeout shorter (say, 5 minutes) since the
compiler will be idle most the time. It would reduce the process and memory
footprint on the system.
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