Re: [ovirt-devel] limiting gwt compiler threads to 1
I could be wrong, but it seems that the default value
for "gwt.jjs.maxThreads" is 4 [1] - maybe it is not override-able?
in any case, I believe that using:
DEV_EXTRA_BUILD_FLAGS="-Dgwt.compiler.localWorkers=2" (or "1", I
guess)
will help here - see README.developer [2]
----
Thanks,
Einav
[1] http://gerrit.ovirt.org/#/c/25163/2/frontend/webadmin/modules/pom.xml
[2] from README.developer, around line 142:
"""
...
DEV_EXTRA_BUILD_FLAGS
Any maven build flags requires for building.
For example, if your machine is low on memory, use:
DEV_EXTRA_BUILD_FLAGS="-Dgwt.compiler.localWorkers=2"
...
"""
----- Original Message -----
From: "Greg Sheremeta" <gshereme(a)redhat.com>
To: "Vojtech Szocs" <vszocs(a)redhat.com>, "Alexander Wels"
<awels(a)redhat.com>
Cc: devel(a)ovirt.org
Sent: Wednesday, May 14, 2014 9:09:17 PM
Subject: [ovirt-devel] limiting gwt compiler threads to 1
Hi,
On Fedora 20, I sometimes get GWT compiler crashes due to OutOfMemory. So I
tried limiting to 1 thread like so:
make clean install-dev PREFIX=$HOME/ovirt-engine
DEV_EXTRA_BUILD_FLAGS_GWT_DEFAULTS="-Dgwt.userAgent=gecko1_8,safari"
BUILD_UT=0 DEV_EXTRA_BUILD_FLAGS="-Dgwt.jjs.maxThreads=1
-Dgwt.jjs.permutationWorkerFactory=com.google.gwt.dev.ThreadedPermutationWorkerFactory"
When the two compiler threads spawn, they seem to fire at the same time.
[INFO] Compiling 2 permutations
[INFO] Compiling permutation 0...
[INFO] Compiling permutation 1...
I would expect there to be a delay while 1 waits for 0:
[INFO] Compiling 2 permutations
[INFO] Compiling permutation 0...
<30 second pause...> <done>
[INFO] Compiling permutation 1...
<30 second pause...> <done>
Do I have the options wrong?
Greg
Greg Sheremeta
Red Hat, Inc.
Sr. Software Engineer, RHEV
Cell: 919-807-1086
gshereme(a)redhat.com
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