https://bugzilla.wikimedia.org/show_bug.cgi?id=61384
Bug ID: 61384
Summary: Elasticsearch ganglia monitor broken for Logstash due
to lack of stats groups
Product: Wikimedia
Version: wmf-deployment
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Logstash
Assignee: wikibugs-l@lists.wikimedia.org
Reporter: bda...@wikimedia.org
CC: aschulz4...@gmail.com, bda...@wikimedia.org,
g...@wikimedia.org, o...@wikimedia.org
Web browser: ---
Mobile Platform: ---
The kibana interface doesn't tag searches with stats groups [0] and the ganglia
monitoring script assumes otherwise:
[PYTHON] Can't call the metric_init function in the python module
[elasticsearch
_monitoring].
Traceback (most recent call last):
File "/usr/lib/ganglia/python_modules/elasticsearch_monitoring.py", line 511,
in metric_init
for group in load(url)['_all']['total']['search']['groups']:
KeyError: 'groups'
When queried on the logstash elasticsearch nodes the relevant section of the
_stats/search request looks like this:
"_all" : {
"primaries" : {
"search" : {
"open_contexts" : 0,
"query_total" : 10317,
"query_time" : "1.6h",
"query_time_in_millis" : 5915635,
"query_current" : 0,
"fetch_total" : 7731,
"fetch_time" : "23.5s",
"fetch_time_in_millis" : 23525,
"fetch_current" : 0
}
},
"total" : {
"search" : {
"open_contexts" : 0,
"query_total" : 19499,
"query_time" : "3.1h",
"query_time_in_millis" : 11201005,
"query_current" : 0,
"fetch_total" : 14517,
"fetch_time" : "42.8s",
"fetch_time_in_millis" : 42819,
"fetch_current" : 0
}
}
}
[0]:
http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search.html#stats-groups
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