In munin.py:get_stats_from_runtime the Java JVM memory values are retrieved from the runtime statistics. The response on Mendix 8 (with Java 11) is this:
{
"feedback": {
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"memorypools": [
{
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"name": "CodeHeap 'non-nmethods'",
"index": 0
},
{
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"usage": 140633704,
"name": "Metaspace",
"index": 1
},
{
"is_heap": true,
"usage": 458138760,
"name": "Tenured Gen",
"index": 2
},
{
"is_heap": false,
"usage": 52676096,
"name": "CodeHeap 'profiled nmethods'",
"index": 3
},
{
"is_heap": true,
"usage": 270960112,
"name": "Eden Space",
"index": 4
},
{
"is_heap": true,
"usage": 8968920,
"name": "Survivor Space",
"index": 5
},
{
"is_heap": false,
"usage": 18281096,
"name": "Compressed Class Space",
"index": 6
},
{
"is_heap": false,
"usage": 41861760,
"name": "CodeHeap 'non-profiled nmethods'",
"index": 7
}
],
"committed_heap": 1037959168,
"max_heap": 1037959168,
"used_heap": 738067792
},
"languages": [
"en_GB",
"nl_NL"
],
"entities": 604,
"requests": [
{
"last_request_timestamp": 1581619663617,
"name": "",
"value": 1186
},
{
"last_request_timestamp": 1581547423367,
"name": "n/",
"value": 0
},
{
"last_request_timestamp": 1581547423093,
"name": "ws-doc/",
"value": 0
},
{
"last_request_timestamp": 1581547423166,
"name": "eba/",
"value": 0
},
{
"last_request_timestamp": 1581547423155,
"name": "api-doc/",
"value": 0
},
{
"last_request_timestamp": 1581547423258,
"name": "rest-doc/",
"value": 0
},
{
"last_request_timestamp": 1581547423168,
"name": "odata-doc/",
"value": 0
},
{
"last_request_timestamp": 1581615172790,
"name": "rest/",
"value": 1332
},
{
"last_request_timestamp": 1581547423084,
"name": "ws/",
"value": 0
},
{
"last_request_timestamp": 1581614405199,
"name": "file",
"value": 150
},
{
"last_request_timestamp": 1581547421263,
"name": "link/",
"value": 0
},
{
"last_request_timestamp": 1581547423385,
"name": "debugger/",
"value": 0
},
{
"last_request_timestamp": 1581620021125,
"name": "xas/",
"value": 85165
},
{
"last_request_timestamp": 1581616818238,
"name": "p/",
"value": 27
}
],
"connectionbus": {
"select": 8147638,
"insert": 123969,
"update": 98424,
"delete": 132182,
"transaction": 49484
}
},
"result": 0
}
The methods make a decision based on the existence of memory.memorypools which exists and then retrieves values from the response. But, comparing the variable names with the assignment we see a mismatch.
This results in internal ticket DEP-2484.
In munin.py:get_stats_from_runtime the Java JVM memory values are retrieved from the runtime statistics. The response on Mendix 8 (with Java 11) is this:
The methods make a decision based on the existence of memory.memorypools which exists and then retrieves values from the response. But, comparing the variable names with the assignment we see a mismatch.
This results in internal ticket DEP-2484.