pingcap/tidb
Ver no GitHubAdd SQL diagnosis rule: check the storage.block-cache.capacity value
Open
#17.925 aberto em 10 de jun. de 2020
good first issuehelp wantedtype/enhancement
Métricas do repositório
- Stars
- (40.090 stars)
- Métricas de merge de PR
- (Mesclagem média 14d 4h) (346 fundiu PRs em 30d)
Description
Introduce
The problem of https://github.com/pingcap/tidb/issues/17434 is the storage.block-cache.capacity config value too small.
Task
Add diagnose rule such as : ifstorage.block-cache.capacity < 0.1 * total_server_memory / tikv_count_in_server is true, then append an warning in INSPECTION_RESULT table.
Refer
- You can query the
cluster_configtable to get the related config value. - You can refer the
configInspectionimplementation in TiDB.
If you have any questions or want to discuss something, you can chat in the sig-dashboard slack channel and @ chenshuang.