ORA-600「723」 (PGA内存泄露)
系统：rhel 6.8
数据库：oracle11.2.0.4
异常描述：在巡检时发现log文件存在以下告警，ORA-600[723](PGA内存泄露).
Mon Jul11 17:39:41 2022
Errors infile /u01/oracle/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_ora_34745.trc (incident=500456):
ORA-00600:internal error code, arguments: [723], [133856], [236816], [memory leak], [],[], [], [], [], [], [], []
ORA-03135:connection lost contact
Incidentdetails in:/u01/oracle/app/oracle/diag/rdbms/orcl/orcl/incident/incdir_500456/orcl_ora_34745_i500456.trc
Use ADRCIor Support Workbench to package the incident.
See Note411.1 at My Oracle Support for error and packaging details.
incident中.trc文件显示如下：
***2022-07-11 17:39:41.105
Dumpcontinued from file:/u01/oracle/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_ora_34745.trc
ORA-00600:internal error code, arguments: [723], [133856], [236816], [memory leak], [],[], [], [], [], [], [], []
ORA-03135:connection lost contact
=========Dump for incident 500456 (ORA 600 [723]) ========
-----Beginning of Customized Incident Dump(s) -----
********ERROR: PGA memory leak detected 236816 > 133856 ********
========================================
SUMMARIZEDMEMORY USAGE FOR THIS PROCESS
----------------------------------------
60812432 bytes, 204 chunks: "freememory "
top uga heap ds=0xc0d2140 dsprt=(nil)
10836432 bytes, 181 chunks: "freememory "
pga heap ds=0xc0cc6e0 dsprt=(nil)
261384 bytes, 1 chunk : "free memory "
top call heap ds=0xc0d1f20 dsprt=(nil)
236656 bytes, 302 chunks: "kopolalvoid "
pga heap ds=0xc0cc6e0 dsprt=(nil)
197336 bytes, 25 chunks: "permanent memory "
pga heap ds=0xc0cc6e0 dsprt=(nil)
736 bytes, 2 chunks: "permanent memory "
top call heap ds=0xc0d1f20 dsprt=(nil)
160 bytes, 1 chunk : "heap_kdlipga "
pga heap ds=0xc0cc6e0 dsprt=(nil)
80 bytes, 1 chunk : "permanent memory "
top uga heap ds=0xc0d2140 dsprt=(nil)
Mos[DocID 2457941.1]文档与以上场景类似，此为Bug 28751438，
Cause：CTRL-Ccauses an exception to occur, which is an abnormal abort of the spatial query.
此次内存泄漏不是非常频繁，可以忽略.不过也可以通过升级解决该告警.
Oracle提供10262事件来屏蔽这个错误，不过不推荐设置该事件.
拓展文档
Mos[ID 242260.1]
