??????????????????

top - 13:05:54 up 15 days?? 13:10?? 12 users??  load average: 45.59?? 48.43?? 49.50
Tasks: 5451 total??   5 running?? 5436 sleeping??   0 stopped??  10 zombie
Cpu(s):  7.8%us??  2.7%sy??  0.0%ni?? 88.3%id??  0.1%wa??  0.1%hi??  0.9%si??  0.0%st
Mem:  363033360k total?? 256454800k used?? 106578560k free??  1368868k buffers
Swap: 377487328k total??        0k used?? 377487328k free?? 167948244k cached
PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
16422 oraaems2  15   0 6399m 5.3g 5.3g S  0.0  1.5   4:16.15 ora_dbw1_AEM02
16426 oraaems2  15   0 6399m 5.3g 5.2g S  0.0  1.5   4:08.93 ora_dbw3_AEM02
16424 oraaems2  15   0 6399m 5.2g 5.2g S  0.0  1.5   4:09.52 ora_dbw2_AEM02
16419 oraaems2  15   0 6399m 5.2g 5.2g S  0.0  1.5   4:06.01 ora_dbw0_AEM02
26885 oraaems2  15   0 6394m 3.9g 3.9g S  0.0  1.1   7:01.84 oracleAEM02 (LOCAL=NO)
9779 oraaems2  16   0 6392m 3.8g 3.8g S  0.0  1.1   3:36.58 oracleAEM02 (LOCAL=NO)
26535 oraaems2  15   0 6394m 3.5g 3.5g S  0.0  1.0   7:26.10 oracleAEM02 (LOCAL=NO)
5825 oraaems2  15   0 6394m 3.5g 3.5g S  0.0  1.0   4:29.41 oracleAEM02 (LOCAL=NO)
26932 oraaems2  15   0 6394m 3.4g 3.4g S  0.0  1.0   5:46.79 oracleAEM02 (LOCAL=NO)
5882 oraaems2  15   0 6394m 3.4g 3.4g S  0.0  1.0   3:55.93 oracleAEM02 (LOCAL=NO)
26479 oraaems2  15   0 6394m 3.4g 3.4g S  0.0  1.0   6:43.21 oracleAEM02 (LOCAL=NO)
25670 oraaems2  15   0 6394m 3.3g 3.3g S  0.0  1.0   6:00.96 oracleAEM02 (LOCAL=NO)
28928 oraaems2  15   0 6394m 3.3g 3.3g S  0.0  0.9   3:05.69 oracleAEM02 (LOCAL=NO)
5792 oraaems2  15   0 6394m 3.1g 3.1g S  0.0  0.9   4:42.41 oracleAEM02 (LOCAL=NO)
29874 oraaems2  15   0 6394m 2.9g 2.9g S  0.0  0.8   2:20.13 oracleAEM02 (LOCAL=NO)
1964 oraaems2  15   0 6398m 2.8g 2.8g S  0.0  0.8   1:16.83 oracleAEM02 (LOCAL=NO)
1954 oraaems2  15   0 6394m 2.7g 2.7g S  0.0  0.8   0:54.40 oracleAEM02 (LOCAL=NO)
5788 oraaems2  15   0 6394m 2.6g 2.6g S  0.0  0.8   3:26.67 oracleAEM02 (LOCAL=NO)
1970 oraaems2  15   0 6394m 2.5g 2.5g S  0.0  0.7   0:37.69 oracleAEM02 (LOCAL=NO)
16435 oraaems2  15   0 6393m 1.9g 1.9g S  0.0  0.6   1:29.38 ora_smon_AEM02
5816 oraaems2  15   0 6394m 1.9g 1.8g S  0.0  0.5   2:35.20 oracleAEM02 (LOCAL=NO)
24344 oraaems2  15   0 6389m 1.6g 1.6g S  0.0  0.5   0:03.12 oracleAEM02 (LOCAL=NO)
5790 oraaems2  16   0 6394m 1.3g 1.3g S  0.0  0.4   0:47.47 oracleAEM02 (LOCAL=NO)
16417 oraaems2  15   0 6386m 1.2g 1.2g S  0.0  0.4   0:21.68 ora_mman_AEM02
24323 oraaems2  15   0 6389m 1.2g 1.2g S  0.0  0.3   2:02.72 oracleAEM02 (LOCAL=NO)
1962 oraaems2  15   0 6394m 1.2g 1.2g S  0.0  0.3   0:41.28 oracleAEM02 (LOCAL=NO)
1958 oraaems2  15   0 6394m 1.1g 1.1g S  0.0  0.3   0:39.05 oracleAEM02 (LOCAL=NO)
22982 oraaems2  15   0 6393m 814m 807m S  0.0  0.2   2:24.63 ora_cjq0_AEM02
18024 oraaems2  15   0 6393m 599m 592m S  0.9  0.2  74:31.45 oracleAEM02 (LOCAL=NO)
??????????????????????????????AEM02???????????????????????С???SGA?????????6G????????????????????
??????????????????????????????????????????????????С??????????????????????????hugapage???????б????
????Starting ORACLE instance (normal)
????****************** Huge Pages Information *****************
????Huge Pages memory pool detected (total: 30000 free: 16509)
????DFLT Huge Pages allocation successful (allocated: 0)
????***********************************************************
????????????sga?????á?????sga_target???????0????shared_pool_size??db_cache_size?????0????????????????????????
????????????С???????????????????????????????????????????????κε???
?????????shared_pool_size??db_cache_size??????????????????????????????仰??"DFLT Huge Pages allocation successful (allocated: 0)"
???????hugepage???????????з???????????????????????????????hugepage??
??????????????????11g?е??2???memory_target???
?????????????????memory?????????????hugep page????????????????????????huge page allocation ?0????????
SQL> show parameter memory
NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
hi_shared_memory_address             integer     0
memory_max_target                    big integer 16016M
memory_target                        big integer 16016M
shared_memory_address                integer     0
???????????????100G????????????????top ??AEM02?????????????????????????????????????85G???????????????????????????
?????????????????????ipcs???????????Щ????????????
> ipcs -a
------ Shared Memory Segments --------
key        shmid      owner      perms      bytes      nattch     status
0x00000000 500105218  root      644        80         2
0x00000000 500137988  root      644        16384      2
0x00000000 500170757  root      644        280        2
0x550002fb 500203526  root      644        256064     1                 locked
0xba17ff18 500760585  xxxxx    660        35704012800 3963
0xd9152b54 500695050  xxxxx   660        3542089728 37
0x91442618 500826123     aems2  660        4096       0
0xdb22d1bc 500957196  xxxxxx  660        3340763136 32
????????memory_target?????????memory_max_target???????????????????????????????????????????????????????????????????????????????????????????????????????????????ж????