Pga太小 由于pga_aggregate_target设置0参数文件里而启动实例的
或是(Pga太小,会自动改参数processes和sessions值?)参数processes和sessions的关系不对:sessions=1.1*processes+5
SQL> show parameters process
NAME TYPE VALUE
----------------------------------------------- --------------
aq_tm_processes integer 0
cell_offload_processing boolean TRUE
db_writer_processes integer 1
gcs_server_processes integer 0
global_txn_processes integer 1
job_queue_processes integer 50
log_archive_max_processes integer 4
processes integer 150
SQL> show parameters session
NAME TYPE VALUE
----------------------------------------------- --------------
java_max_sessionspace_size integer 0
java_soft_sessionspace_limit integer 0
license_max_sessions integer 0
license_sessions_warning integer 0
session_cached_cursors integer 50
session_max_open_files integer 10
sessions integer 248
shared_server_sessions integer
SQL> select count(*) from v$session;
COUNT(*)
----------
30
SQL> select count(*) from v$process;
COUNT(*)
----------
33
ORA-00604: 递归 SQL 级别 1 出现错误
ORA-04030: 在尝试分配 1048592 字节(kxs-heap-w,kcbpioqInitClientBuffer)
时进程内存不足