metrics(ticdc): add kafka compression ratio description for grafana (#…

…11348) close #11347
pingcap · Jun 26, 2024 · 401b2bc · 401b2bc
1 parent a2e6219
commit 401b2bc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/metrics/grafana/ticdc.json b/metrics/grafana/ticdc.json
@@ -7726,7 +7726,7 @@
           "dashLength": 10,
           "dashes": false,
           "datasource": "${DS_TEST-CLUSTER}",
-          "description": "The compression ratio times 100 of record batches for all topics.",
+          "description": "The compression ratio times 100 of record batches for all topics. Compression ratio = Size of original data / Size of compressed data * 100",
           "fieldConfig": {
             "defaults": {},
             "overrides": []