Enterprise Manager
Lists the Performance Schema Activity metrics and provides a brief description of each.
Table 6.22 Performance Schema Activity Metrics
Name | Description |
---|---|
Cond Classes Lost (Delta) | How many instruments of type cond could not be loaded. |
Cond Instances Lost (Delta) | How many instances of object type cond could not be created. |
File Classes Lost (Delta) | How many instruments of type file could not be loaded. |
File Handles Lost (Delta) | How many instances of object type file could not be opened. |
File Instances Lost (Delta) | How many instances of object type file could not be created. |
Hosts Lost (Delta) | How many hosts were lost. |
Index Stat Lost (Delta) | The number of indexes for which statistics were lost. |
Locker Lost (Delta) | How many events are lost or not recorded. |
Memory Classes Lost (Delta) | The number of times a memory instrument could not be loaded. |
Metadata Lock Lost (Delta) | The number of metadata locks that could not be instrumented in the metadata_locks table. |
Mutex Classes Lost (Delta) | How many instruments of type mutex could not be loaded. |
Mutex Instances Lost (Delta) | How many instances of object type mutest could not be created. |
Nested Statement Lost (Delta) | The number of stored program statements for which statistics were lost. |
Prepared Statements Lost (Delta) | The number of prepared statements that could not be instrumented in the prepared_statements_instances table. |
Program Lost (Delta) | The number of stored programs for which statistics were lost. |
Rwlock Classes Lost (Delta) | How many instruments of type rwlock could not be loaded. |
Rwlock Instances Lost (Delta) | How many instances of object type rwlock could not be created. |
Session Connect Attrs Longest Seen (Delta) | The longest valid attribute buffer size that was tracked. |
Table Handles Lost (Delta) | How many instances of object type table could not be opened. |
Table Instances Lost (Delta) | How many instances of object type table could not be created. |
Table Lock Stat Lost (Delta) | The number of tables for which lock statistics were lost. |
Thread Classes Lost (Delta) | How many instruments of type thread could not be loaded. |
Thread Instances Lost (Delta) | How many instances of object type thread could not be created. |