[英]how to know who and how predefined database service names have been used in Oracle Autonomous Transaction Processing
自治事務處理提供 5 個預定義的數據庫服務名稱;
我想知道這些服務名稱是如何使用的,包括數量連接以及資源是如何消耗的。
您可以嘗試使用一些 SQL 語句來查詢 V$SERVICE_STATS(您需要調整 service_name)。 例如:
SQL> select service_name, name, value
2 from v$service_stats
3 join v$statname
4 on v$service_stats.stat_id = v$statname.stat_id
5 where service_name='SYS$USERS'
6 order by service_name, name;
SERVICE_NAME NAME VALUE
-------------------- ----------------------------------- ----------
SYS$USERS DB time 26317254
SYS$USERS application wait time 379
SYS$USERS cluster wait time 0
SYS$USERS concurrency wait time 20112125
SYS$USERS db block changes 1637
SYS$USERS execute count 7221
SYS$USERS gc cr block receive time 0
SYS$USERS gc cr blocks received 0
SYS$USERS gc current block receive time 0
SYS$USERS gc current blocks received 0
SYS$USERS logons cumulative 108
SERVICE_NAME NAME VALUE
-------------------- ----------------------------------- ----------
SYS$USERS opened cursors cumulative 11078
SYS$USERS parse count (total) 1488
SYS$USERS parse time elapsed 13400006
SYS$USERS physical reads 3643
SYS$USERS physical writes 0
SYS$USERS redo size 248932
SYS$USERS session cursor cache hits 10309
SYS$USERS session logical reads 56879
SYS$USERS user I/O wait time 65219837
SYS$USERS user calls 293
SYS$USERS user commits 7
SERVICE_NAME NAME VALUE
-------------------- ----------------------------------- ----------
SYS$USERS user rollbacks 1
SYS$USERS workarea executions - multipass 0
SYS$USERS workarea executions - onepass 0
SYS$USERS workarea executions - optimal 2557
26 rows selected.
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