wu-sheng commented on code in PR #13319:
URL: https://github.com/apache/skywalking/pull/13319#discussion_r2151205354
##########
docs/en/setup/backend/storages/banyandb.md:
##########
@@ -233,6 +233,88 @@ groups:
shardNum: ${SW_STORAGE_BANYANDB_PROPERTY_SHARD_NUM:1}
```
+### TopN Rules Configuration
+The BanyanDB storage supports TopN pre-aggregation in the BanyanDB server
side, which trade off more disk_volume as pre-aggregation to save CPU cost, and
faster query performance.
Review Comment:
```suggestion
The BanyanDB storage supports TopN pre-aggregation in the BanyanDB server
side, which trades off more disk_volume for pre-aggregation to save CPU cost,
and perform faster query in the query stage.
```
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