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async io thread #2721

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async io thread #2721

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1 change: 1 addition & 0 deletions commands/client-list.md
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ Here is the meaning of the fields:
* `user`: the authenticated username of the client
* `redir`: client id of current client tracking redirection
* `resp`: client RESP protocol version. Added in Redis 7.0
* `io-thread`: id of I/O thread assigned to the client. Added in Redis 8.0

The client flags can be a combination of:

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14 changes: 12 additions & 2 deletions commands/info.md
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Expand Up @@ -7,6 +7,7 @@ The optional parameter can be used to select a specific section of information:
* `clients`: Client connections section
* `memory`: Memory consumption related information
* `persistence`: RDB and AOF related information
* `threads`: I/O threads information
* `stats`: General statistics
* `replication`: Master/replica replication information
* `cpu`: CPU consumption statistics
Expand Down Expand Up @@ -251,6 +252,15 @@ If a load operation is on-going, these additional fields will be added:
* `loading_loaded_perc`: Same value expressed as a percentage
* `loading_eta_seconds`: ETA in seconds for the load to be complete

The **threads** section provides statistics on I/O threads.
The statistics are the number of assigned clients,
the number of read events processed, and the number of write events processed.
Added in Redis 8.0.

For each I/O thread, the following line is added:

* `io_thread_XXX`: `clients=XXX,reads=XXX,writes=XXX`

Here is the meaning of all fields in the **stats** section:

* `total_connections_received`: Total number of connections accepted by the
Expand Down Expand Up @@ -313,8 +323,8 @@ Here is the meaning of all fields in the **stats** section:
* `dump_payload_sanitizations`: Total number of dump payload deep integrity validations (see `sanitize-dump-payload` config).
* `total_reads_processed`: Total number of read events processed
* `total_writes_processed`: Total number of write events processed
* `io_threaded_reads_processed`: Number of read events processed by the main and I/O threads
* `io_threaded_writes_processed`: Number of write events processed by the main and I/O threads
* `io_threaded_reads_processed`: Number of read events processed by the I/O threads
* `io_threaded_writes_processed`: Number of write events processed by the I/O threads
* `client_query_buffer_limit_disconnections`: Total number of disconnections due to client reaching query buffer limit
* `client_output_buffer_limit_disconnections`: Total number of disconnections due to client reaching output buffer limit
* `reply_buffer_shrinks`: Total number of output buffer shrinks
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