TMA-TDSQL-11.4
Ensure Cross-Shard Operations Are Appropriately Controlled
Beschreibung
tdsql_trx_cross_shard_op_whitelist controls the types of cross-shard operations allowed within a distributed transaction.
So wird geprüft
Prüfmethode: Manuelle Prüfung
Diese Empfehlung kann nicht automatisch geprüft werden. Ein Scan führt sie mit diesen Anweisungen auf, wenn Sie --include-manual übergeben.
On the SQLEngine run SHOW VARIABLES LIKE 'tdsql_trx_cross_shard_op_whitelist'; If the business does not require cross-shard writes the value must be READ; the default READ,WRITE is acceptable only where cross-shard writes are a documented requirement.
So wird behoben
Behebungsmethode: Anleitung oder Infrastruktur-Patch
Configure the allowed operation types according to business needs, minimizing cross- shard write operations: If the business does not require cross-shard writes, set it to READ. If cross-shard writes are required, keep the default READ,WRITE.
Eigenschaften
- Betriebssysteme
- Beliebig
- Tags
- tdsqltransactions
- Referenz
- CIS Tencent TDSQL 10.3.22 Benchmark v1.0.0 - 11.4 Ensure Cross-Shard Operations Are Appropriately Controlled