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new 9cf4055f7de fix be config buffer_pool_limit default value (#25)
9cf4055f7de is described below
commit 9cf4055f7debeaad5a3cdbb84aafa15b8e656a85
Author: dataalive <[email protected]>
AuthorDate: Mon Aug 1 08:44:58 2022 +0800
fix be config buffer_pool_limit default value (#25)
fix be config buffer_pool_limit default value
---
docs/admin-manual/config/be-config.md | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/docs/admin-manual/config/be-config.md
b/docs/admin-manual/config/be-config.md
index 0e1aec9be4b..d7b654204fc 100644
--- a/docs/admin-manual/config/be-config.md
+++ b/docs/admin-manual/config/be-config.md
@@ -212,7 +212,7 @@ User can set this configuration to a larger value to get
better QPS performance.
### `buffer_pool_clean_pages_limit`
-default: 20G
+default: 50%
Clean up pages that may be saved by the buffer pool
@@ -220,7 +220,7 @@ Clean up pages that may be saved by the buffer pool
* Type: string
* Description: The largest allocatable memory of the buffer pool
-* Default value: 80G
+* Default value: 20%
The maximum amount of memory available in the BE buffer pool. The buffer pool
is a new memory management structure of BE, which manages the memory by the
buffer page and enables spill data to disk. The memory for all concurrent
queries will be allocated from the buffer pool. The current buffer pool only
works on **AggregationNode** and **ExchangeNode**.
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