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new e4c0dd9 [doc] fix buffer pool default value (#8670)
e4c0dd9 is described below
commit e4c0dd97ed0e5fcb62b327d3bc55123befc6ebe8
Author: dataalive <[email protected]>
AuthorDate: Mon Mar 28 10:37:12 2022 +0800
[doc] fix buffer pool default value (#8670)
---
docs/en/administrator-guide/config/be_config.md | 4 ++--
docs/zh-CN/administrator-guide/config/be_config.md | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/docs/en/administrator-guide/config/be_config.md
b/docs/en/administrator-guide/config/be_config.md
index c97416c..0905fbf 100644
--- a/docs/en/administrator-guide/config/be_config.md
+++ b/docs/en/administrator-guide/config/be_config.md
@@ -214,7 +214,7 @@ 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**.
@@ -1523,4 +1523,4 @@ Translated with www.DeepL.com/Translator (free version)
### `string_type_length_soft_limit_bytes`
* Type: int32
* Description: A soft limit of string type length.
-* Description: 1048576
\ No newline at end of file
+* Description: 1048576
diff --git a/docs/zh-CN/administrator-guide/config/be_config.md
b/docs/zh-CN/administrator-guide/config/be_config.md
index 3294b36..2c6bf8b 100644
--- a/docs/zh-CN/administrator-guide/config/be_config.md
+++ b/docs/zh-CN/administrator-guide/config/be_config.md
@@ -207,7 +207,7 @@ Metrics:
{"filtered_rows":0,"input_row_num":3346807,"input_rowsets_count":42,"in
* 类型：string
* 描述：buffer pool之中最大的可分配内存
-* 默认值：80G
+* 默认值：20%
BE缓存池最大的内存可用量，buffer pool是BE新的内存管理结构，通过buffer
page来进行内存管理，并能够实现数据的落盘。并发的所有查询的内存申请都会通过buffer pool来申请。当前buffer
pool仅作用在**AggregationNode**与**ExchangeNode**。
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