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5#
发表于 2013-11-16 19:29:44
SGA+PGA 用到了物理内存的 80%
Begin End
Host Mem (MB): 262,144.0 262,144.0
SGA use (MB): 204,800.0 204,800.0
PGA use (MB): 3,377.0 5,685.4
% Host Mem used for SGA+PGA: 79.41 80.29
Event Waits %Time -outs Total Wait Time (s) Avg wait (ms) Waits /txn % bg time
db file parallel write 538,429 0 5,612 10 0.25 11.90
gcs log flush sync 583,193 63 5,158 9 0.27 10.94
gcs log flush sync 超时比例达到63%
Global Cache and Enqueue Services - Workload Characteristics
Avg global enqueue get time (ms): 0.0
Avg global cache cr block receive time (ms): 0.8
Avg global cache current block receive time (ms): 0.7
Avg global cache cr block build time (ms): 0.0
Avg global cache cr block send time (ms): 0.0
Global cache log flushes for cr blocks served %: 0.0
Avg global cache cr block flush time (ms):
Avg global cache current block pin time (ms): 545.7
Avg global cache current block send time (ms): 0.0
Global cache log flushes for current blocks served %: 0.3
Avg global cache current block flush time (ms): 4,922.9
Global Cache and Enqueue Services - Messaging Statistics
Avg message sent queue time (ms): 0.1
Avg message sent queue time on ksxp (ms): 3.3
Avg message received queue time (ms): 0.1
Avg GCS message process time (ms): 0.1
Avg GES message process time (ms): 0.0
% of direct sent messages: 55.58
% of indirect sent messages: 43.44
% of flow controlled messages: 0.98
Avg global cache current block flush time (ms): 4,922.9
Avg message sent queue time on ksxp (ms): 3.3
心跳网络的状况不好,
IOStat by Function summary
'Data' columns suffixed with M,G,T,P are in multiples of 1024 other columns suffixed with K,M,G,T,P are in multiples of 1000
ordered by (Data Read + Write) desc
Function Name Reads: Data Reqs per sec Data per sec Writes: Data Reqs per sec Data per sec Waits: Count Avg Tm(ms)
Others 34.7G 30.87 2.46551 30.7G 6.59 2.18212 434.3K 1.79
DBWR 0M 0.00 0M 50.9G 179.60 3.61591 0
Buffer Cache Reads 43.6G 348.35 3.09509 0M 0.00 0M 4998.8K 14.86
LGWR 8M 0.09 .000554 30.4G 76.55 2.15550 947.7K 6.88
Direct Writes 3M 0.00 .000207 1.6G 0.67 .116461 0
Direct Reads 410M 0.71 .028422 109M 0.09 .007556 0
TOTAL: 78.7G 380.02 5.58979 113.8G 263.51 8.07755 6380.8K 12.79
考虑:
1、关闭一个节点并观察现象
2、使用IO calibrate测一下IO |
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