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| author | Alex Auvolat <alex@adnab.me> | 2024-03-27 15:26:08 +0100 |
|---|---|---|
| committer | Alex Auvolat <alex@adnab.me> | 2024-03-27 16:22:40 +0100 |
| commit | 0d3e285d133459fd53e28f879a86c0de1a0c36df (patch) | |
| tree | 4301ed7bd7ed72e79701c68bebdb4c5ea1db37a5 /doc/book/reference-manual/monitoring.md | |
| parent | 95eb8808e8ede5439cf6352ce4f9a148fac2f236 (diff) | |
| download | garage-0d3e285d133459fd53e28f879a86c0de1a0c36df.tar.gz garage-0d3e285d133459fd53e28f879a86c0de1a0c36df.zip | |
[fix-buffering] implement `block_ram_buffer_max` to avoid excessive RAM usage
Diffstat (limited to 'doc/book/reference-manual/monitoring.md')
| -rw-r--r-- | doc/book/reference-manual/monitoring.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/book/reference-manual/monitoring.md b/doc/book/reference-manual/monitoring.md index f392c133..53608d95 100644 --- a/doc/book/reference-manual/monitoring.md +++ b/doc/book/reference-manual/monitoring.md @@ -225,6 +225,17 @@ block_bytes_read 120586322022 block_bytes_written 3386618077 ``` +#### `block_ram_buffer_free_kb` (gauge) + +Kibibytes available for buffering blocks that have to be sent to remote nodes. +When clients send too much data to this node and a storage node is not receiving +data fast enough due to slower network conditions, this will decrease down to +zero and backpressure will be applied. + +``` +block_ram_buffer_free_kb 219829 +``` + #### `block_compression_level` (counter) Exposes the block compression level configured for the Garage node. |