[CalendarServer-changes] [9230] CalendarServer/trunk/contrib/tools/harpoon.py

[source_changes at macosforge.org]

Revision: 9230
          http://trac.macosforge.org/projects/calendarserver/changeset/9230
Author:   sagen at apple.com
Date:     2012-05-04 14:53:03 -0700 (Fri, 04 May 2012)
Log Message:
-----------
Thar she blows!

Added Paths:
-----------
    CalendarServer/trunk/contrib/tools/harpoon.py

Added: CalendarServer/trunk/contrib/tools/harpoon.py
===================================================================
--- CalendarServer/trunk/contrib/tools/harpoon.py	                        (rev 0)
+++ CalendarServer/trunk/contrib/tools/harpoon.py	2012-05-04 21:53:03 UTC (rev 9230)
@@ -0,0 +1,62 @@
+#!/ngs/app/ical/code/bin/python
+
+##
+# Copyright (c) 2012 Apple Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+##
+
+# Sends SIGTERM to any calendar server child process whose VSIZE exceeds 2GB
+# Only for use in a specific environment
+
+import os
+import signal
+
+CUTOFFBYTES = 2 * 1024 * 1024 * 1024
+PROCDIR = "/proc"
+PYTHON = "/ngs/app/ical/code/bin/python"
+CMDARG = "LogID"
+
+serverProcessCount = 0
+numKilled = 0
+
+for pidString in sorted(os.listdir(PROCDIR)):
+
+    try:
+        pidNumber = int(pidString)
+    except ValueError:
+        # Not a process number
+        continue
+
+    pidDir = os.path.join(PROCDIR, pidString)
+    statsFile = os.path.join(pidDir, "stat")
+    statLine = open(statsFile).read()
+    stats = statLine.split()
+    vsize = int(stats[22])
+    cmdFile = os.path.join(pidDir, "cmdline")
+    if os.path.exists(cmdFile):
+        cmdLine = open(cmdFile).read().split('\x00')
+        if cmdLine[0].startswith(PYTHON):
+            for arg in cmdLine[1:]:
+                if arg.startswith(CMDARG):
+                    break
+            else:
+                continue
+            serverProcessCount += 1
+            if vsize > CUTOFFBYTES:
+                print "Killing process %d with VSIZE %d" % (pidNumber, vsize)
+                os.kill(pidNumber, signal.SIGTERM)
+                numKilled += 1
+
+print "Examined %d server processes" % (serverProcessCount,)
+print "Killed %d processes" % (numKilled,)


Property changes on: CalendarServer/trunk/contrib/tools/harpoon.py
___________________________________________________________________
Added: svn:executable
   + *
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