backup: support rate limit and concurrency (#456)

Signed-off-by: Neil Shen <[email protected]>
pingcap · Sep 10, 2019 · 0e61b6f · 0e61b6f
1 parent f31789c
commit 0e61b6f
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Showing 2 changed files with 135 additions and 55 deletions.
diff --git a/pkg/backup/backup.pb.go b/pkg/backup/backup.pb.go
diff --git a/proto/backup.proto b/proto/backup.proto
@@ -74,7 +74,12 @@ message BackupRequest {
     uint64 start_version = 4;
     uint64 end_version = 5;
 
+    // The path where saves backup files.
     string path = 6;
+    // The I/O rate limit for backup request.
+    uint64 rate_limit = 7;
+    // The concurrency for executing the backup request in every tikv node.
+    uint32 concurrency = 8;
 }
 
 message BackupResponse {