oracle最重要的9個動態效能檢視

按組分的幾組重要的效能檢視

1。System 的 over view
v$sysstat , v$system_event , v$parameter

2。某個session 的當前情況
v$process , v$session , v$session_wait ,v$session_event , v$sesstat

3。SQL 的情況
v$sql , v$sqlarea , v$SQL_PLAN , V$SQL_PLAN_STATISTICS, v$sqltext_with_newlines

3. Latch / lock /ENQUEUE
v$latch , v$latch_children , v$latch_holder , v$lock ,V$ENQUEUE_STAT ,V$ENQUEUE_LOCK

4. IO 方面的
v$segstat , v$filestat , v$tempstat ,v$datafile , v$tempfile

5.shared pool / Library cache
v$Librarycache , v$rowcache , x$ksmsp

6.幾個advice也不錯
v$db_cache_advice , v$PGA_TARGET_ADVICE, v$SHARED_POOL_ADVICE