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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/metrics-howto.rst | 61 |
1 files changed, 54 insertions, 7 deletions
diff --git a/docs/metrics-howto.rst b/docs/metrics-howto.rst index 143cd0f42f..8acc479bc3 100644 --- a/docs/metrics-howto.rst +++ b/docs/metrics-howto.rst @@ -16,7 +16,7 @@ How to monitor Synapse metrics using Prometheus metrics_port: 9092 Also ensure that ``enable_metrics`` is set to ``True``. - + Restart synapse. 3. Add a prometheus target for synapse. @@ -28,11 +28,58 @@ How to monitor Synapse metrics using Prometheus static_configs: - targets: ["my.server.here:9092"] - If your prometheus is older than 1.5.2, you will need to replace + If your prometheus is older than 1.5.2, you will need to replace ``static_configs`` in the above with ``target_groups``. - + Restart prometheus. + +Block and response metrics renamed for 0.27.0 +--------------------------------------------- + +Synapse 0.27.0 begins the process of rationalising the duplicate ``*:count`` +metrics reported for the resource tracking for code blocks and HTTP requests. + +At the same time, the corresponding ``*:total`` metrics are being renamed, as +the ``:total`` suffix no longer makes sense in the absence of a corresponding +``:count`` metric. + +To enable a graceful migration path, this release just adds new names for the +metrics being renamed. A future release will remove the old ones. + +The following table shows the new metrics, and the old metrics which they are +replacing. + +==================================================== =================================================== +New name Old name +==================================================== =================================================== +synapse_util_metrics_block_count synapse_util_metrics_block_timer:count +synapse_util_metrics_block_count synapse_util_metrics_block_ru_utime:count +synapse_util_metrics_block_count synapse_util_metrics_block_ru_stime:count +synapse_util_metrics_block_count synapse_util_metrics_block_db_txn_count:count +synapse_util_metrics_block_count synapse_util_metrics_block_db_txn_duration:count + +synapse_util_metrics_block_time_seconds synapse_util_metrics_block_timer:total +synapse_util_metrics_block_ru_utime_seconds synapse_util_metrics_block_ru_utime:total +synapse_util_metrics_block_ru_stime_seconds synapse_util_metrics_block_ru_stime:total +synapse_util_metrics_block_db_txn_count synapse_util_metrics_block_db_txn_count:total +synapse_util_metrics_block_db_txn_duration_seconds synapse_util_metrics_block_db_txn_duration:total + +synapse_http_server_response_count synapse_http_server_requests +synapse_http_server_response_count synapse_http_server_response_time:count +synapse_http_server_response_count synapse_http_server_response_ru_utime:count +synapse_http_server_response_count synapse_http_server_response_ru_stime:count +synapse_http_server_response_count synapse_http_server_response_db_txn_count:count +synapse_http_server_response_count synapse_http_server_response_db_txn_duration:count + +synapse_http_server_response_time_seconds synapse_http_server_response_time:total +synapse_http_server_response_ru_utime_seconds synapse_http_server_response_ru_utime:total +synapse_http_server_response_ru_stime_seconds synapse_http_server_response_ru_stime:total +synapse_http_server_response_db_txn_count synapse_http_server_response_db_txn_count:total +synapse_http_server_response_db_txn_duration_seconds synapse_http_server_response_db_txn_duration:total +==================================================== =================================================== + + Standard Metric Names --------------------- @@ -42,7 +89,7 @@ have been changed to seconds, from miliseconds. ================================== ============================= New name Old name ----------------------------------- ----------------------------- +================================== ============================= process_cpu_user_seconds_total process_resource_utime / 1000 process_cpu_system_seconds_total process_resource_stime / 1000 process_open_fds (no 'type' label) process_fds @@ -52,8 +99,8 @@ The python-specific counts of garbage collector performance have been renamed. =========================== ====================== New name Old name ---------------------------- ---------------------- -python_gc_time reactor_gc_time +=========================== ====================== +python_gc_time reactor_gc_time python_gc_unreachable_total reactor_gc_unreachable python_gc_counts reactor_gc_counts =========================== ====================== @@ -62,7 +109,7 @@ The twisted-specific reactor metrics have been renamed. ==================================== ===================== New name Old name ------------------------------------- --------------------- +==================================== ===================== python_twisted_reactor_pending_calls reactor_pending_calls python_twisted_reactor_tick_time reactor_tick_time ==================================== ===================== |