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Sample xblock metrics at 10%

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This commit is contained in:
Calen Pennington
2015-04-14 13:46:32 -04:00
parent e62e6b4c8e
commit d9630c7c76
1 changed files with 7 additions and 4 deletions
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11
common/lib/xmodule/xmodule/x_module.py
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@@ -39,6 +39,7 @@ log = logging.getLogger(__name__)
XMODULE_METRIC_NAME = 'edxapp.xmodule'
XMODULE_DURATION_METRIC_NAME = XMODULE_METRIC_NAME + '.duration'
XMODULE_METRIC_SAMPLE_RATE = 0.1
# Stats event sent to DataDog in order to determine if old XML parsing can be deprecated.
DEPRECATION_VSCOMPAT_EVENT = 'deprecation.vscompat'
@@ -1195,11 +1196,12 @@ class MetricsMixin(object):
u'course_id:{}'.format(course_id),
u'block_type:{}'.format(block.scope_ids.block_type)
]
dog_stats_api.increment(XMODULE_METRIC_NAME, tags=tags)
dog_stats_api.increment(XMODULE_METRIC_NAME, tags=tags, sample_rate=XMODULE_METRIC_SAMPLE_RATE)
dog_stats_api.histogram(
XMODULE_DURATION_METRIC_NAME,
end_time - start_time,
tags=tags
tags=tags,
sample_rate=XMODULE_METRIC_SAMPLE_RATE,
)
def handle(self, block, handler_name, request, suffix=''):
@@ -1222,11 +1224,12 @@ class MetricsMixin(object):
u'course_id:{}'.format(course_id),
u'block_type:{}'.format(block.scope_ids.block_type)
]
dog_stats_api.increment(XMODULE_METRIC_NAME, tags=tags)
dog_stats_api.increment(XMODULE_METRIC_NAME, tags=tags, sample_rate=XMODULE_METRIC_SAMPLE_RATE)
dog_stats_api.histogram(
XMODULE_DURATION_METRIC_NAME,
end_time - start_time,
tags=tags
tags=tags,
sample_rate=XMODULE_METRIC_SAMPLE_RATE
)