The general info and conf of my 4 squid servers as follow:
Kindly advise any tuning required for the servers to have better
performance.
Thank you.
[root@squidsvr1 bin]# ./squidclient mgr:info
HTTP/1.0 200 OK
Server: squid/2.5.STABLE10
Mime-Version: 1.0
Date: Wed, 01 Jun 2005 10:35:05 GMT
Content-Type: text/plain
Expires: Wed, 01 Jun 2005 10:35:05 GMT
Last-Modified: Wed, 01 Jun 2005 10:35:05 GMT
X-Cache: MISS from squidsvr1.inet
Proxy-Connection: close
Squid Object Cache: Version 2.5.STABLE10
Start Time: Tue, 31 May 2005 16:00:42 GMT
Current Time: Wed, 01 Jun 2005 10:35:05 GMT
Connection information for squid:
Number of clients accessing cache: 0
Number of HTTP requests received: 1124902
Number of ICP messages received: 0
Number of ICP messages sent: 0
Number of queued ICP replies: 0
Request failure ratio: 0.00
Average HTTP requests per minute since start: 1009.4
Average ICP messages per minute since start: 0.0
Select loop called: 11453706 times, 5.838 ms avg
Cache information for squid:
Request Hit Ratios: 5min: 0.0%, 60min: 0.0%
Byte Hit Ratios: 5min: 0.8%, 60min: 0.5%
Request Memory Hit Ratios: 5min: 0.0%, 60min: 0.0%
Request Disk Hit Ratios: 5min: 0.0%, 60min: 0.0%
Storage Swap size: 0 KB
Storage Mem size: 4 KB
Mean Object Size: 0.00 KB
Requests given to unlinkd: 0
Median Service Times (seconds) 5 min 60 min:
HTTP Requests (All): 0.02592 0.02742
Cache Misses: 0.02592 0.02899
Cache Hits: 0.00000 0.00000
Near Hits: 0.00000 0.00000
Not-Modified Replies: 0.00000 0.00000
DNS Lookups: 0.00094 0.00190
ICP Queries: 0.00000 0.00000
Resource usage for squid:
UP Time: 66862.278 seconds
CPU Time: 2567.370 seconds
CPU Usage: 3.84%
CPU Usage, 5 minute avg: 0.76%
CPU Usage, 60 minute avg: 2.23%
Process Data Segment Size via sbrk(): 29949 KB
Maximum Resident Size: 0 KB
Page faults with physical i/o: 330
Memory usage for squid via mallinfo():
Total space in arena: 29949 KB
Ordinary blocks: 10648 KB 5588 blks
Small blocks: 0 KB 0 blks
Holding blocks: 1572 KB 1 blks
Free Small blocks: 0 KB
Free Ordinary blocks: 19300 KB
Total in use: 12220 KB 39%
Total free: 19300 KB 61%
Total size: 31521 KB
Memory accounted for:
Total accounted: 7140 KB
memPoolAlloc calls: 131246012
memPoolFree calls: 131205714
File descriptor usage for squid:
Maximum number of file descriptors: 8192
Largest file desc currently in use: 122
Number of file desc currently in use: 41
Files queued for open: 0
Available number of file descriptors: 8151
Reserved number of file descriptors: 100
Store Disk files open: 0
Internal Data Structures:
3 StoreEntries
3 StoreEntries with MemObjects
0 Hot Object Cache Items
0 on-disk objects
root@squidsvr2 ==> ./squidclient mgr:info
HTTP/1.0 200 OK
Server: squid/2.5.STABLE10
Mime-Version: 1.0
Date: Wed, 01 Jun 2005 10:37:12 GMT
Content-Type: text/plain
Expires: Wed, 01 Jun 2005 10:37:12 GMT
Last-Modified: Wed, 01 Jun 2005 10:37:12 GMT
X-Cache: MISS from squidsvr2.inet
Proxy-Connection: close
Squid Object Cache: Version 2.5.STABLE10
Start Time: Tue, 31 May 2005 20:20:14 GMT
Current Time: Wed, 01 Jun 2005 10:37:12 GMT
Connection information for squid:
Number of clients accessing cache: 0
Number of HTTP requests received: 3172930
Number of ICP messages received: 0
Number of ICP messages sent: 0
Number of queued ICP replies: 0
Request failure ratio: 0.00
Average HTTP requests per minute since start: 3702.5
Average ICP messages per minute since start: 0.0
Select loop called: 2748567 times, 18.707 ms avg
Cache information for squid:
Request Hit Ratios: 5min: 0.0%, 60min: 0.0%
Byte Hit Ratios: 5min: 0.3%, 60min: 0.2%
Request Memory Hit Ratios: 5min: 0.0%, 60min: 0.0%
Request Disk Hit Ratios: 5min: 0.0%, 60min: 0.0%
Storage Swap size: 0 KB
Storage Mem size: 88 KB
Mean Object Size: 0.00 KB
Requests given to unlinkd: 0
Median Service Times (seconds) 5 min 60 min:
HTTP Requests (All): 0.03066 0.03427
Cache Misses: 0.03066 0.03427
Cache Hits: 0.00000 0.00000
Near Hits: 0.00000 0.00000
Not-Modified Replies: 0.00000 0.00000
DNS Lookups: 0.01269 0.02033
ICP Queries: 0.00000 0.00000
Resource usage for squid:
UP Time: 51418.451 seconds
CPU Time: 28646.970 seconds
CPU Usage: 55.71%
CPU Usage, 5 minute avg: 22.27%
CPU Usage, 60 minute avg: 44.94%
Process Data Segment Size via sbrk(): 16896 KB
Maximum Resident Size: 0 KB
Page faults with physical i/o: 80
Memory accounted for:
Total accounted: 4232 KB
memPoolAlloc calls: 375967247
memPoolFree calls: 375944709
File descriptor usage for squid:
Maximum number of file descriptors: 1024
Largest file desc currently in use: 224
Number of file desc currently in use: 83
Files queued for open: 0
Available number of file descriptors: 941
Reserved number of file descriptors: 100
Store Disk files open: 0
Internal Data Structures:
24 StoreEntries
24 StoreEntries with MemObjects
21 Hot Object Cache Items
0 on-disk objects
[root@squidsvr3 bin]# ./squidclient mgr:info
HTTP/1.0 200 OK
Server: squid/2.5.STABLE10
Mime-Version: 1.0
Date: Wed, 01 Jun 2005 10:38:43 GMT
Content-Type: text/plain
Expires: Wed, 01 Jun 2005 10:38:43 GMT
Last-Modified: Wed, 01 Jun 2005 10:38:43 GMT
X-Cache: MISS from squidsvr3.inet
Proxy-Connection: close
Squid Object Cache: Version 2.5.STABLE10
Start Time: Tue, 31 May 2005 16:00:32 GMT
Current Time: Wed, 01 Jun 2005 10:38:43 GMT
Connection information for squid:
Number of clients accessing cache: 0
Number of HTTP requests received: 128015
Number of ICP messages received: 0
Number of ICP messages sent: 0
Number of queued ICP replies: 0
Request failure ratio: 0.00
Average HTTP requests per minute since start: 114.5
Average ICP messages per minute since start: 0.0
Select loop called: 1773334 times, 37.833 ms avg
Cache information for squid:
Request Hit Ratios: 5min: 0.0%, 60min: 0.0%
Byte Hit Ratios: 5min: 0.2%, 60min: 0.3%
Request Memory Hit Ratios: 5min: 0.0%, 60min: 0.0%
Request Disk Hit Ratios: 5min: 0.0%, 60min: 0.0%
Storage Swap size: 0 KB
Storage Mem size: 60 KB
Mean Object Size: 0.00 KB
Requests given to unlinkd: 0
Median Service Times (seconds) 5 min 60 min:
HTTP Requests (All): 0.04277 0.03622
Cache Misses: 0.04277 0.03622
Cache Hits: 0.00000 0.00000
Near Hits: 0.00000 0.00000
Not-Modified Replies: 0.00000 0.00000
DNS Lookups: 0.00203 0.00278
ICP Queries: 0.00000 0.00000
Resource usage for squid:
UP Time: 67090.694 seconds
CPU Time: 98.530 seconds
CPU Usage: 0.15%
CPU Usage, 5 minute avg: 0.10%
CPU Usage, 60 minute avg: 0.09%
Process Data Segment Size via sbrk(): 2093 KB
Maximum Resident Size: 0 KB
Page faults with physical i/o: 329
Memory usage for squid via mallinfo():
Total space in arena: 2093 KB
Ordinary blocks: 1779 KB 75 blks
Small blocks: 0 KB 0 blks
Holding blocks: 1572 KB 1 blks
Free Small blocks: 0 KB
Free Ordinary blocks: 313 KB
Total in use: 3351 KB 91%
Total free: 313 KB 9%
Total size: 3665 KB
Memory accounted for:
Total accounted: 126 KB
memPoolAlloc calls: 15819317
memPoolFree calls: 15818283
File descriptor usage for squid:
Maximum number of file descriptors: 8192
Largest file desc currently in use: 12
Number of file desc currently in use: 9
Files queued for open: 0
Available number of file descriptors: 8183
Reserved number of file descriptors: 100
Store Disk files open: 0
Internal Data Structures:
2 StoreEntries
2 StoreEntries with MemObjects
0 Hot Object Cache Items
0 on-disk objects
[root@squidsvr4 bin]# ./squidclient mgr:info
HTTP/1.0 200 OK
Server: squid/2.5.STABLE10
Mime-Version: 1.0
Date: Wed, 01 Jun 2005 10:44:10 GMT
Content-Type: text/plain
Expires: Wed, 01 Jun 2005 10:44:10 GMT
Last-Modified: Wed, 01 Jun 2005 10:44:10 GMT
X-Cache: MISS from squidsvr4.inet
Proxy-Connection: close
Squid Object Cache: Version 2.5.STABLE10
Start Time: Tue, 31 May 2005 21:03:40 GMT
Current Time: Wed, 01 Jun 2005 10:44:10 GMT
Connection information for squid:
Number of clients accessing cache: 0
Number of HTTP requests received: 4263830
Number of ICP messages received: 0
Number of ICP messages sent: 0
Number of queued ICP replies: 0
Request failure ratio: 0.00
Average HTTP requests per minute since start: 5196.5
Average ICP messages per minute since start: 0.0
Select loop called: 26976692 times, 1.825 ms avg
Cache information for squid:
Request Hit Ratios: 5min: 0.0%, 60min: 0.0%
Byte Hit Ratios: 5min: 0.5%, 60min: 3.0%
Request Memory Hit Ratios: 5min: 0.0%, 60min: 0.0%
Request Disk Hit Ratios: 5min: 0.0%, 60min: 0.0%
Storage Swap size: 0 KB
Storage Mem size: 104 KB
Mean Object Size: 0.00 KB
Requests given to unlinkd: 0
Median Service Times (seconds) 5 min 60 min:
HTTP Requests (All): 0.03829 0.03427
Cache Misses: 0.03829 0.04277
Cache Hits: 0.00000 0.00000
Near Hits: 0.00000 0.00000
Not-Modified Replies: 0.00000 0.00000
DNS Lookups: 0.00094 0.00094
ICP Queries: 0.00000 0.00000
Resource usage for squid:
UP Time: 49230.702 seconds
CPU Time: 18375.180 seconds
CPU Usage: 37.32%
CPU Usage, 5 minute avg: 2.66%
CPU Usage, 60 minute avg: 12.74%
Process Data Segment Size via sbrk(): 38485 KB
Maximum Resident Size: 0 KB
Page faults with physical i/o: 342
Memory usage for squid via mallinfo():
Total space in arena: 38485 KB
Ordinary blocks: 22329 KB 19322 blks
Small blocks: 0 KB 0 blks
Holding blocks: 1572 KB 1 blks
Free Small blocks: 0 KB
Free Ordinary blocks: 16155 KB
Total in use: 23901 KB 60%
Total free: 16155 KB 40%
Total size: 40057 KB
Memory accounted for:
Total accounted: 15396 KB
memPoolAlloc calls: 489617521
memPoolFree calls: 489531536
File descriptor usage for squid:
Maximum number of file descriptors: 8192
Largest file desc currently in use: 117
Number of file desc currently in use: 101
Files queued for open: 0
Available number of file descriptors: 8091
Reserved number of file descriptors: 100
Store Disk files open: 0
Internal Data Structures:
28 StoreEntries
28 StoreEntries with MemObjects
25 Hot Object Cache Items
0 on-disk objects
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