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check_weblogic_heapfree
97586
File | Description |
---|---|
check_weblogic_heapfree.txt | check_weblogic_heapfree 2.1 nagios plugin |
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nagios plugin to check if a weblogic jvm heap is falling below nominal thresholds (current and delta free)
author: Sergei Haramundanis 03-Nov-2006
usage: check_weblogic_heapfree runtime_directory url userid password heapfree_percent_minimum_threshold heapfree_delta_percent_maximum_threshold
Description:
This plugin will check the heapfree size in a weblogic jvm at the url specified via the weblogic.Admin client
This plugin requires access to weblogic.jar to access the weblogic.Admin client (see definition of WEBLOGIC_LIB further on in this script, you may need to change it)
This plugin also creates a check_weblogic_heapfree.dat file in the runtime_directory specified which contains the previous reading of the jvm heapfree to determine the delta change between runs
Output:
During any run of the plugin, it will poll the JVMRuntime MBean of the weblogic application server specified in the url and make the following two checks:
1. compare the HeapFreeCurrent and HeapSizeCurrent to determine if the current heapfree is below the minimum threshold (in percent) as specified in the heapfree_percent_minimum_threshold parameter
2. compare the previous run's HeapFreeCurrent to the current run's HeapFreeCurrent to determine if the delta (previous_heapfree - current_heapfree) is above the maximum threshold (in percent) as specified in the heapfree_delta_percent_maximum_threshold parameter
if the current heapfree is above the minimum threshold and the delta heapfree is below the maximum threshold it will return an OK state with a message similar to the following example:
[OK] 84% heapfree above minimum threshold of 30%: 902816904 of 1063256064 free; [OK] -1% heapfree delta below maximum threshold of 30%: current 902816904 previous 885992368
if either the current heapfree is below the minimum threshold or the delta heapfree is above the maximum threshold it will return a CRITICAL state with a message similar to the following example:
[CRITICAL] 29% heapfree below minimum threshold of 30%: 308344240 of 1063256064 free; [CRITICAL] 31% heapfree delta above maximum threshold of 30%: current 611334755 previous 885992368
20-Jun-2007 version 2.1 update includes:
1. support for check_from_time and check_to_time to control monitor timeframe (if you don't want to use this specify values 0000 and 2359)
2. include port # in .dat filename to support monitoring multiple weblogic instances
author: Sergei Haramundanis 03-Nov-2006
usage: check_weblogic_heapfree runtime_directory url userid password heapfree_percent_minimum_threshold heapfree_delta_percent_maximum_threshold
Description:
This plugin will check the heapfree size in a weblogic jvm at the url specified via the weblogic.Admin client
This plugin requires access to weblogic.jar to access the weblogic.Admin client (see definition of WEBLOGIC_LIB further on in this script, you may need to change it)
This plugin also creates a check_weblogic_heapfree.dat file in the runtime_directory specified which contains the previous reading of the jvm heapfree to determine the delta change between runs
Output:
During any run of the plugin, it will poll the JVMRuntime MBean of the weblogic application server specified in the url and make the following two checks:
1. compare the HeapFreeCurrent and HeapSizeCurrent to determine if the current heapfree is below the minimum threshold (in percent) as specified in the heapfree_percent_minimum_threshold parameter
2. compare the previous run's HeapFreeCurrent to the current run's HeapFreeCurrent to determine if the delta (previous_heapfree - current_heapfree) is above the maximum threshold (in percent) as specified in the heapfree_delta_percent_maximum_threshold parameter
if the current heapfree is above the minimum threshold and the delta heapfree is below the maximum threshold it will return an OK state with a message similar to the following example:
[OK] 84% heapfree above minimum threshold of 30%: 902816904 of 1063256064 free; [OK] -1% heapfree delta below maximum threshold of 30%: current 902816904 previous 885992368
if either the current heapfree is below the minimum threshold or the delta heapfree is above the maximum threshold it will return a CRITICAL state with a message similar to the following example:
[CRITICAL] 29% heapfree below minimum threshold of 30%: 308344240 of 1063256064 free; [CRITICAL] 31% heapfree delta above maximum threshold of 30%: current 611334755 previous 885992368
20-Jun-2007 version 2.1 update includes:
1. support for check_from_time and check_to_time to control monitor timeframe (if you don't want to use this specify values 0000 and 2359)
2. include port # in .dat filename to support monitoring multiple weblogic instances
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