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https://github.com/element-hq/synapse
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Add a metric for the scheduling latency of SQL queries
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1 changed files with 5 additions and 0 deletions
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@ -38,6 +38,8 @@ transaction_logger = logging.getLogger("synapse.storage.txn")
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metrics = synapse.metrics.get_metrics_for("synapse.storage")
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sql_scheduling_timer = metrics.register_distribution("schedule_time")
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sql_query_timer = metrics.register_distribution("query_time", labels=["verb"])
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sql_txn_timer = metrics.register_distribution("transaction_time", labels=["desc"])
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sql_getevents_timer = metrics.register_distribution("getEvents_time", labels=["desc"])
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@ -240,6 +242,8 @@ class SQLBaseStore(object):
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"""Wraps the .runInteraction() method on the underlying db_pool."""
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current_context = LoggingContext.current_context()
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start_time = time.time() * 1000
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def inner_func(txn, *args, **kwargs):
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with LoggingContext("runInteraction") as context:
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current_context.copy_to(context)
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@ -252,6 +256,7 @@ class SQLBaseStore(object):
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name = "%s-%x" % (desc, txn_id, )
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sql_scheduling_timer.inc_by(time.time() * 1000 - start_time)
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transaction_logger.debug("[TXN START] {%s}", name)
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try:
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return func(LoggingTransaction(txn, name), *args, **kwargs)
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