diff options
Diffstat (limited to 'synapse/storage/_base.py')
| -rw-r--r-- | synapse/storage/_base.py | 69 |
1 files changed, 67 insertions, 2 deletions
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 310ee0104c..3e1ab0a159 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -77,6 +77,43 @@ class LoggingTransaction(object): sql_logger.debug("[SQL time] {%s} %f", self.name, end - start) +class PerformanceCounters(object): + def __init__(self): + self.current_counters = {} + self.previous_counters = {} + + def update(self, key, start_time, end_time=None): + if end_time is None: + end_time = time.time() * 1000 + duration = end_time - start_time + count, cum_time = self.current_counters.get(key, (0, 0)) + count += 1 + cum_time += duration + self.current_counters[key] = (count, cum_time) + return end_time + + def interval(self, interval_duration, limit=3): + counters = [] + for name, (count, cum_time) in self.current_counters.items(): + prev_count, prev_time = self.previous_counters.get(name, (0, 0)) + counters.append(( + (cum_time - prev_time) / interval_duration, + count - prev_count, + name + )) + + self.previous_counters = dict(self.current_counters) + + counters.sort(reverse=True) + + top_n_counters = ", ".join( + "%s(%d): %.3f%%" % (name, count, 100 * ratio) + for ratio, count, name in counters[:limit] + ) + + return top_n_counters + + class SQLBaseStore(object): _TXN_ID = 0 @@ -88,6 +125,8 @@ class SQLBaseStore(object): self._previous_txn_total_time = 0 self._current_txn_total_time = 0 self._previous_loop_ts = 0 + self._txn_perf_counters = PerformanceCounters() + self._get_event_counters = PerformanceCounters() def start_profiling(self): self._previous_loop_ts = self._clock.time_msec() @@ -103,7 +142,18 @@ class SQLBaseStore(object): ratio = (curr - prev)/(time_now - time_then) - logger.info("Total database time: %.3f%%", ratio * 100) + top_three_counters = self._txn_perf_counters.interval( + time_now - time_then, limit=3 + ) + + top_3_event_counters = self._get_event_counters.interval( + time_now - time_then, limit=3 + ) + + logger.info( + "Total database time: %.3f%% {%s} {%s}", + ratio * 100, top_three_counters, top_3_event_counters + ) self._clock.looping_call(loop, 10000) @@ -116,7 +166,7 @@ class SQLBaseStore(object): with LoggingContext("runInteraction") as context: current_context.copy_to(context) start = time.time() * 1000 - txn_id = SQLBaseStore._TXN_ID + txn_id = self._TXN_ID # We don't really need these to be unique, so lets stop it from # growing really large. @@ -138,6 +188,7 @@ class SQLBaseStore(object): ) self._current_txn_total_time += end - start + self._txn_perf_counters.update(desc, start, end) with PreserveLoggingContext(): result = yield self._db_pool.runInteraction( @@ -537,6 +588,8 @@ class SQLBaseStore(object): "LIMIT 1 " ) + start_time = time.time() * 1000 + txn.execute(sql, (event_id,)) res = txn.fetchone() @@ -546,6 +599,8 @@ class SQLBaseStore(object): internal_metadata, js, redacted, rejected_reason = res + self._get_event_counters.update("select_event", start_time) + if allow_rejected or not rejected_reason: return self._get_event_from_row_txn( txn, internal_metadata, js, redacted, @@ -557,10 +612,18 @@ class SQLBaseStore(object): def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted, check_redacted=True, get_prev_content=False): + + start_time = time.time() * 1000 + update_counter = self._get_event_counters.update + d = json.loads(js) + start_time = update_counter("decode_json", start_time) + internal_metadata = json.loads(internal_metadata) + start_time = update_counter("decode_internal", start_time) ev = FrozenEvent(d, internal_metadata_dict=internal_metadata) + start_time = update_counter("build_frozen_event", start_time) if check_redacted and redacted: ev = prune_event(ev) @@ -576,6 +639,7 @@ class SQLBaseStore(object): if because: ev.unsigned["redacted_because"] = because + start_time = update_counter("redact_event", start_time) if get_prev_content and "replaces_state" in ev.unsigned: prev = self._get_event_txn( @@ -585,6 +649,7 @@ class SQLBaseStore(object): ) if prev: ev.unsigned["prev_content"] = prev.get_dict()["content"] + start_time = update_counter("get_prev_content", start_time) return ev |