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Merged
merged 5 commits into from
May 25, 2022
Merged

Add new net stats for streams and requests #2887

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d89aa1f
Add STREAMS net stats
p7nov May 23, 2022
e197c21
Improve wording
p7nov May 23, 2022
4265603
Add detailed request metrics
p7nov May 25, 2022
32d3253
Update box.stat.net() example
p7nov May 25, 2022
2e7c6e1
Update doc/reference/reference_lua/box_stat/net.rst
p7nov May 25, 2022
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39 changes: 31 additions & 8 deletions doc/reference/reference_lua/box_stat/net.rst
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Expand Up @@ -6,7 +6,7 @@ box.stat.net()
.. function:: net()

Shows network activity: the number of bytes sent
and received, the number of connections, and the number of active requests
and received, the number of connections, streams, and requests
(current, average, and total).

:return: in the tables that ``box.stat.net()`` returns:
Expand All @@ -15,27 +15,50 @@ box.stat.net()
second in the last 5 seconds
* ``SENT.total`` and ``RECEIVED.total`` -- total number of bytes sent/received
since the server started
* ``CONNECTIONS.rps`` -- number of connections opened per second in the last 5 seconds
* ``CONNECTIONS.current`` -- number of open connections
* ``CONNECTIONS.rps`` -- average number of connections opened per second in the last 5 seconds
* ``CONNECTIONS.total`` -- total number of connections opened since the server started
* ``REQUESTS.current`` -- number of requests in progress, which can be
limited by :ref:`box.cfg.net_msg_max <cfg_networking-net_msg_max>`
* ``REQUESTS.rps`` -- number of requests processed per second in the last 5 seconds
* ``REQUESTS.total`` -- total number of requests processed since startup
* ``REQUESTS.rps`` -- average number of requests processed per second in the last 5 seconds
* ``REQUESTS.total`` -- total number of requests processed since the server started
* ``REQUESTS_IN_PROGRESS.current`` -- number of requests being currently processed by the :ref:`TX thread <memtx-memory>`
* ``REQUESTS_IN_PROGRESS.rps`` -- average number of requests processed by the TX thread per second in the last 5 seconds
* ``REQUESTS_IN_PROGRESS.total`` -- total number of requests processed by the TX thread since the server started
* ``STREAMS.current`` -- number of active :doc:`streams </book/box/stream>`
* ``STREAMS.rps`` -- average number of streams opened per second in the last 5 seconds
* ``STREAMS.total`` -- total number of streams opened since the server started
* ``REQUESTS_IN_STREAM_QUEUE.current`` -- number of requests waiting in stream queues
* ``REQUESTS_IN_STREAM_QUEUE.rps`` -- average number of requests in stream queues per second in the last 5 seconds
* ``REQUESTS_IN_STREAM_QUEUE.total`` -- total number of requests placed in stream queues since the server started


**Example:**

.. code-block:: tarantoolsession

tarantool> box.stat.net() -- 4 tables
tarantool> box.stat.net() -- 5 tables
---
- SENT:
- CONNECTIONS:
current: 0
rps: 0
total: 0
REQUESTS:
current: 0
rps: 0
total: 0
REQUESTS_IN_PROGRESS:
current: 0
rps: 0
total: 0
SENT:
total: 0
rps: 0
CONNECTIONS:
REQUESTS_IN_STREAM_QUEUE:
current: 0
rps: 0
total: 0
REQUESTS:
STREAMS:
current: 0
rps: 0
total: 0
Expand Down