[求助]32位的服务器（HP580），超过4G的内存有用么？？

johnyo

这是一台配置有8GB内存的32位服务器的内存信息。看你的应用怎么写的了，写好了没有问题，oracle就会出问题。

Mem-info:
DMA per-cpu:
cpu 0 hot: low 2, high 6, batch 1
cpu 0 cold: low 0, high 2, batch 1
Normal per-cpu:
cpu 0 hot: low 32, high 96, batch 16
cpu 0 cold: low 0, high 32, batch 16
HighMem per-cpu:
cpu 0 hot: low 14, high 42, batch 7
cpu 0 cold: low 0, high 14, batch 7

Free pages:      774776kB (252kB HighMem)
Active:19279 inactive:22945 dirty:5 writeback:0 unstable:0 free:193694 slab:2949 mapped:8332 pagetables:521
DMA free:12524kB min:64kB low:128kB high:192kB active:0kB inactive:0kB present:16384kB pages_scanned:0 all_unreclaimable? no
protections[]: 0 0 0
Normal free:762000kB min:3728kB low:7456kB high:11184kB active:31244kB inactive:21876kB present:901120kB pages_scanned:0 all_unreclaimable? no
protections[]: 0 0 0
HighMem free:252kB min:128kB low:256kB high:384kB active:45872kB inactive:69904kB present:121368kB pages_scanned:0 all_unreclaimable? no
protections[]: 0 0 0
DMA: 5*4kB 3*8kB 4*16kB 2*32kB 3*64kB 3*128kB 2*256kB 0*512kB 1*1024kB 1*2048kB 2*4096kB = 12524kB
Normal: 0*4kB 0*8kB 1*16kB 4*32kB 2*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 185*4096kB = 762000kB
HighMem: 1*4kB 1*8kB 1*16kB 1*32kB 1*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 252kB
Swap cache: add 0, delete 0, find 0/0, race 0+0
0 bounce buffer pages
Free swap:       2048276kB
259718 pages of RAM
30342 pages of HIGHMEM
3517 reserved pages
45149 pages shared
0 pages swap cached