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chore: change default factor to compute memory size (#3211)

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* chore: change default factor to compute memory size

* chore: update doc

* chore: update comment in example config

* chore: extract factor to const and update comments

* chore: update comment by cr suggestion

Co-authored-by: dennis zhuang <killme2008@gmail.com>

---------

Co-authored-by: dennis zhuang <killme2008@gmail.com>
This commit is contained in:
shuiyisong
2024-01-22 17:03:29 +08:00
committed by GitHub
parent 8cc7129397
commit 2bf4b08a6b
3 changed files with 35 additions and 16 deletions
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13
config/standalone.example.toml
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@@ -193,15 +193,18 @@ compress_manifest = false
max_background_jobs = 4
# Interval to auto flush a region if it has not flushed yet.
auto_flush_interval = "1h"
# Global write buffer size for all regions.
# Global write buffer size for all regions. If not set, it's default to 1/8 of OS memory with a max limitation of 1GB.
global_write_buffer_size = "1GB"
# Global write buffer size threshold to reject write requests (default 2G).
# Global write buffer size threshold to reject write requests. If not set, it's default to 2 times of `global_write_buffer_size`
global_write_buffer_reject_size = "2GB"
# Cache size for SST metadata (default 128MB). Setting it to 0 to disable the cache.
# Cache size for SST metadata. Setting it to 0 to disable the cache.
# If not set, it's default to 1/32 of OS memory with a max limitation of 128MB.
sst_meta_cache_size = "128MB"
# Cache size for vectors and arrow arrays (default 512MB). Setting it to 0 to disable the cache.
# Cache size for vectors and arrow arrays. Setting it to 0 to disable the cache.
# If not set, it's default to 1/16 of OS memory with a max limitation of 512MB.
vector_cache_size = "512MB"
# Cache size for pages of SST row groups (default 512MB). Setting it to 0 to disable the cache.
# Cache size for pages of SST row groups. Setting it to 0 to disable the cache.
# If not set, it's default to 1/16 of OS memory with a max limitation of 512MB.
page_cache_size = "512MB"
# Buffer size for SST writing.
sst_write_buffer_size = "8MB"