diff --git a/tikv-configuration-file.md b/tikv-configuration-file.md index b693304c4fdea..4f06482d58c4f 100644 --- a/tikv-configuration-file.md +++ b/tikv-configuration-file.md @@ -1507,6 +1507,16 @@ Configuration items related to BR backup. + Controls whether to limit the resources used by backup tasks to reduce the impact on the cluster when the cluster resource utilization is high. For more information, refer to [BR Auto-Tune](/br/br-auto-tune.md). + Default value: `true` +### `s3-multi-part-size` New in v5.3.2 + +> **Note:** +> +> This configuration is introduced to address backup failures caused by S3 rate limiting. This problem has been fixed by [refining the backup data storage structure](https://docs.pingcap.com/tidb/stable/backup-and-restore-design#backup-file-structure). Therefore, this configuration is deprecated from v6.1.1 and is no longer recommended. + ++ The part size used when you perform multipart upload to S3 during backup. You can adjust the value of this configuration to control the number of requests sent to S3. ++ If data is backed up to S3 and the backup file is larger than the value of this configuration item, [multipart upload](https://docs.aws.amazon.com/AmazonS3/latest/API/API_UploadPart.html) is automatically enabled. Based on the compression ratio, the backup file generated by a 96-MiB Region is approximately 10 MiB to 30 MiB. ++ Default value: 5MiB + ## cdc Configuration items related to TiCDC. @@ -1618,13 +1628,3 @@ Suppose that your machine on which TiKV is deployed has limited resources, for e + The maximum time that a single read or write request is forced to wait before it is processed in the foreground. + Default value: `500ms` - -### `s3-multi-part-size` New in v5.3.2 - -> **Note:** -> -> This configuration is introduced to address backup failures caused by S3 rate limiting. This problem has been fixed by [refining the backup data storage structure](https://docs.pingcap.com/tidb/stable/backup-and-restore-design#backup-file-structure). Therefore, this configuration is deprecated from v6.1.1 and is no longer recommended. - -+ The part size used when you perform multipart upload to S3 during backup. You can adjust the value of this configuration to control the number of requests sent to S3. -+ If data is backed up to S3 and the backup file is larger than the value of this configuration item, [multipart upload](https://docs.aws.amazon.com/AmazonS3/latest/API/API_UploadPart.html) is automatically enabled. Based on the compression ratio, the backup file generated by a 96-MiB Region is approximately 10 MiB to 30 MiB. -+ Default value: 5MiB