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Merge pull request #3996 from matrix-org/erikj/fix_bg_iteration
Fix exception in background metrics collection
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changelog.d/3996.bugfix
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changelog.d/3996.bugfix
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Fix exception in background metrics collection
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@ -101,9 +101,13 @@ class _Collector(object):
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labels=["name"],
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)
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# We copy the dict so that it doesn't change from underneath us
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# We copy the dict so that it doesn't change from underneath us.
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# We also copy the process lists as that can also change
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with _bg_metrics_lock:
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_background_processes_copy = dict(_background_processes)
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_background_processes_copy = {
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k: list(v)
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for k, v in six.iteritems(_background_processes)
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}
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for desc, processes in six.iteritems(_background_processes_copy):
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background_process_in_flight_count.add_metric(
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