diff options
| -rw-r--r-- | UPGRADE.rst | 12 | ||||
| -rwxr-xr-x | synapse/app/homeserver.py | 33 |
2 files changed, 45 insertions, 0 deletions
diff --git a/UPGRADE.rst b/UPGRADE.rst index 2efe7ea60f..f6bb1070b1 100644 --- a/UPGRADE.rst +++ b/UPGRADE.rst @@ -48,6 +48,18 @@ returned by the Client-Server API: # configured on port 443. curl -kv https://<host.name>/_matrix/client/versions 2>&1 | grep "Server:" +Upgrading to $NEXT_VERSION +==================== + +This release expands the anonymous usage stats sent if the opt-in +``report_stats`` configuration is set to ``true``. We now capture RSS memory +and cpu use at a very coarse level. This requires administrators to install +the optional ``psutil`` python module. + +We would appreciate it if you could assist by ensuring this module is available +and ``report_stats`` is enabled. This will let us see if performance changes to +synapse are having an impact to the general community. + Upgrading to v0.15.0 ==================== diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index c00afbba28..b935beb974 100755 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -402,6 +402,10 @@ def run(hs): stats = {} + # Contains the list of processes we will be monitoring + # currently either 0 or 1 + stats_process = [] + @defer.inlineCallbacks def phone_stats_home(): logger.info("Gathering stats for reporting") @@ -428,6 +432,13 @@ def run(hs): daily_sent_messages = yield hs.get_datastore().count_daily_sent_messages() stats["daily_sent_messages"] = daily_sent_messages + if len(stats_process) > 0: + stats["memory_rss"] = 0 + stats["cpu_average"] = 0 + for process in stats_process: + stats["memory_rss"] += process.memory_info().rss + stats["cpu_average"] += int(process.cpu_percent(interval=None)) + logger.info("Reporting stats to matrix.org: %s" % (stats,)) try: yield hs.get_simple_http_client().put_json( @@ -437,10 +448,32 @@ def run(hs): except Exception as e: logger.warn("Error reporting stats: %s", e) + def performance_stats_init(): + try: + import psutil + process = psutil.Process() + # Ensure we can fetch both, and make the initial request for cpu_percent + # so the next request will use this as the initial point. + process.memory_info().rss + process.cpu_percent(interval=None) + logger.info("report_stats can use psutil") + stats_process.append(process) + except (ImportError, AttributeError): + logger.warn( + "report_stats enabled but psutil is not installed or incorrect version." + " Disabling reporting of memory/cpu stats." + " Ensuring psutil is available will help matrix.org track performance" + " changes across releases." + ) + if hs.config.report_stats: logger.info("Scheduling stats reporting for 3 hour intervals") clock.looping_call(phone_stats_home, 3 * 60 * 60 * 1000) + # We need to defer this init for the cases that we daemonize + # otherwise the process ID we get is that of the non-daemon process + clock.call_later(0, performance_stats_init) + # We wait 5 minutes to send the first set of stats as the server can # be quite busy the first few minutes clock.call_later(5 * 60, phone_stats_home) |