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Feature #7462

CentOS: Add dependency on simplejson

Added by Alexandre Marangone almost 7 years ago. Updated over 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
Backend (packaging/deployment)
Target version:
-
% Done:

0%

Source:
Support
Tags:
Backport:
Reviewed:
Affected Versions:

Description

Multiple customers running the calamari host on CentOS are complaining about "Dashboard update timeout" messages with Calamari.
It turns out that CentOS does not have simplejson installed which causes django to fallback on json.

Installing simplejson is a big, big win.

Profiling http://calamari/api/v1/cluster/1/health:

With json:
Ordered by: internal time, call count

ncalls tottime percall cumtime percall filename:lineno(function)
405576/12 1.423 0.000 4.272 0.356 /usr/lib64/python2.6/json/scanner.py:38(iterscan)
19563/19396 1.121 0.000 3.995 0.000 /usr/lib64/python2.6/json/decoder.py:162(JSONObject)
57894/6 1.081 0.000 4.270 0.712 /usr/lib64/python2.6/json/decoder.py:206(JSONArray)

With simplejson:
Ordered by: internal time, call count

ncalls tottime percall cumtime percall filename:lineno(function)
6 0.231 0.038 0.231 0.039 /usr/lib64/python2.6/site-packages/simplejson/decoder.py:376(raw_decode)
1 0.013 0.013 0.013 0.013 /opt/calamari/venv/lib/python2.6/site-packages/django/db/backends/sqlite3/base.py:359(execute)
104/9 0.000 0.000 0.001 0.000 /usr/lib64/python2.6/copy.py:144(deepcopy)

History

#1 Updated by Alexandre Marangone over 2 years ago

  • Status changed from New to Closed

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