dm: v4.1.2

Author: zhongming Fan

weops/pipe-tools/bk_pkg/dm/README.md

@@ -86,7 +86,7 @@ GRANT SOI TO weops;
 | dm_exporter_redo_log_size            | ReDo日志大小        | PATH, STATUS                                             | 路径, 状态                    | mb      |
 | dm_exporter_roll_state               | 回滚状态            | ROLL_TYPE                                                | 类型                        | -       |
 | dm_exporter_roll_size                | 回滚页大小           | ROLL_TYPE                                                | 类型                        | -       |
-| dm_exporter_buffer_cache_hit_ratio   | 缓存命中率           | HIT_NAME                                                 | 命中类型                      | percent |
+| dm_exporter_buffer_cache_hit_percent | 缓存命中率           | HIT_NAME                                                 | 命中类型                      | percent |
 | dm_exporter_memory_used_size         | 内存使用量           | -                                                        | -                         | mb      |
 | dm_exporter_shared_pool_size         | 共享内存大小          | -                                                        | -                         | -       |
 | dm_exporter_checkpoint_dirty_pages   | CheckPoint重做日志块 | -                                                        | -                         | -       |
@@ -125,3 +125,7 @@ GRANT SOI TO weops;
 - 更正指标说明
   dm_exporter_tablespace_free_size      表空间剩余大小
   移除dm_exporter_tablespace_size
+
+#### weops_dm_exporter v4.1.2
+- 更正缓存命中率指标单位问题
+  dm_exporter_buffer_cache_hit_ratio -> dm_exporter_buffer_cache_hit_percent

weops/pipe-tools/bk_pkg/dm/dm.collector.yml

@@ -38,15 +38,15 @@ metrics:
     query: |
         SELECT stat_val/1024/1024 AS MEMORY_USED FROM v$sysstat WHERE name = 'memory used bytes from os'
 
-  - metric_name: dm_exporter_buffer_cache_hit_ratio
+  - metric_name: dm_exporter_buffer_cache_hit_percent
     type: gauge
     help: '缓存命中率(%)'
     values:
       - HIT_RATE
     key_labels:
       - HIT_NAME
     query: |
-        SELECT NAME AS HIT_NAME, ROUND(AVG(RAT_HIT), 4) AS HIT_RATE FROM V$BUFFERPOOL GROUP BY NAME
+        SELECT NAME AS HIT_NAME, ROUND(AVG(RAT_HIT) * 100, 2) AS HIT_RATE FROM V$BUFFERPOOL GROUP BY NAME
 
   # 锁
   - metric_name: dm_exporter_locks
@@ -66,7 +66,7 @@ metrics:
         SELECT count(*) AS LOCK_BLOCKS FROM V$LOCK WHERE blocked = 1
 
   - metric_name: dm_exporter_deadlock_count
-    type: count
+    type: gauge
     help: '死锁累计数量'
     values:
       - DEADLOCK_COUNT