Re: [squid-users] squid cache manager question and snmp with smp question
Reviving this topic from the dead as I made a discovery that others
may find useful :)
i also revived some suspicious logs :
2013/11/08 16:51:26 kid3| snmpHandleUdp: FD 20 recvfrom: (11) Resource
temporarily unavailable
We are still trying to figure this one out. It seems not to be harmful
particularly, except a waste of effort somewhere.
I managed to suppress the SNMP-related Resource temporarily
unavailable error in SMP mode by putting snmp_port in a
worker-specific section:
if ${process_number} = 1
snmp_port 3401
endif
HTH,
Niki
[squid-users] squid cache manager question and snmp with smp question
hi , from cache manager : Cache information for squid: Hits as % of all requests: 5min: 11.7%, 60min: 11.0% Hits as % of bytes sent:5min: 0.6%, 60min: -0.3% Memory hits as % of hit requests: 5min: 20.0%, 60min: 13.9% Disk hits as % of hit requests: 5min: 11.6%, 60min: 9.5% Storage Swap size: 28703904 KB Storage Swap capacity: 70.1% used, 29.9% free Storage Mem size: 1024000 KB *Storage Mem capacity: 100.0% used, 0.0% free* Mean Object Size: 32.00 KB Requests given to unlinkd: 0 im asking about : Storage Mem capacity: 100.0% used, 0.0% free why it is 100 % Q1-does that mean that squid dissipated 100% from cache_mem value configured Q2- does the result in cache manager in general run time information is calculated as total for all processes ??? == Q3 ABOUT snmp with smp wt i need to configure in squid.conf ?? do i need to configure snmp for each instance ??? i want to say that i configured as below : acl snmppublic snmp_community xxx snmp_port 3401 snmp_access allow snmppublic localhost snmp_access allow snmppublic all snmp_incoming_address 0.0.0.0 snmp_outgoing_address 0.0.0.0 ### i had results in my mrtg , but not sure of the results , i got squid mib file and converted it to oidb file and put it in m y mrtg . by here im using smp , not sure from the results i also revived some suspicious logs : 2013/11/08 16:51:26 kid3| snmpHandleUdp: FD 20 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:26 kid1| snmpHandleUdp: FD 19 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:26 kid3| snmpHandleUdp: FD 19 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:51 kid2| snmpHandleUdp: FD 20 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:51 kid3| snmpHandleUdp: FD 19 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:51 kid1| snmpHandleUdp: FD 19 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:51 kid3| snmpHandleUdp: FD 20 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:51 kid1| snmpHandleUdp: FD 19 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:51 kid3| snmpHandleUdp: FD 19 recvfrom: (11) Resource temporarily unavailable 2013/11/08 16:51:51 kid1| snmpHandleUdp: FD 20 recvfrom: (11) Resource temporarily unavailable not sure if it is harmful !!! regards - Dr.x -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/squid-cache-manager-question-and-snmp-with-smp-question-tp4663233.html Sent from the Squid - Users mailing list archive at Nabble.com.
Re: [squid-users] squid cache manager question and snmp with smp question
On 12/11/2013 9:21 p.m., Dr.x wrote: hi , from cache manager : Cache information for squid: Hits as % of all requests: 5min: 11.7%, 60min: 11.0% Hits as % of bytes sent:5min: 0.6%, 60min: -0.3% Memory hits as % of hit requests: 5min: 20.0%, 60min: 13.9% Disk hits as % of hit requests: 5min: 11.6%, 60min: 9.5% Storage Swap size: 28703904 KB Storage Swap capacity: 70.1% used, 29.9% free Storage Mem size: 1024000 KB *Storage Mem capacity: 100.0% used, 0.0% free* Mean Object Size: 32.00 KB Requests given to unlinkd: 0 im asking about : Storage Mem capacity: 100.0% used, 0.0% free why it is 100 % Because your cache is busy and using all the memory you gave it for caching objects (cache_mem). This is normal for memory cache, there is no reason to hold it lower than 100% since there is no delay in deleting things when they need to be. Q1-does that mean that squid dissipated 100% from cache_mem value configured dissipated? no, used. Q2- does the result in cache manager in general run time information is calculated as total for all processes ??? Um. Is cache_mem set to 1000 MB in on worker? or would that be the sum for all the workers with cache_mem ? == Q3 ABOUT snmp with smp wt i need to configure in squid.conf ?? Squid must be built with --enable-snmp. Also, snmp_port and snmp_access directives must be configured. do i need to configure snmp for each instance ??? http://wiki.squid-cache.org/Features/SmpScale#What_can_workers_share.3F i want to say that i configured as below : acl snmppublic snmp_community xxx snmp_port 3401 snmp_access allow snmppublic localhost snmp_access allow snmppublic all snmp_incoming_address 0.0.0.0 snmp_outgoing_address 0.0.0.0 Drop those last two lines about address. The first one is doing nothing useful. The second one will cause failures. From the config manual: NOTE, snmp_incoming_address and snmp_outgoing_address can not have the same value since they both use the same port. ### i had results in my mrtg , but not sure of the results , i got squid mib file and converted it to oidb file and put it in m y mrtg . by here im using smp , not sure from the results i also revived some suspicious logs : 2013/11/08 16:51:26 kid3| snmpHandleUdp: FD 20 recvfrom: (11) Resource temporarily unavailable We are still trying to figure this one out. It seems not to be harmful particularly, except a waste of effort somewhere. Amos
Re: [squid-users] squid cache manager question and snmp with smp question
On 11/12/2013 01:21 AM, Dr.x wrote: Q2- does the result in cache manager in general run time information is calculated as total for all processes ??? All mgr:info information is aggregated to represent a Squid instance view, as documented at: http://wiki.squid-cache.org/Features/CacheManager#SMP_considerations Not all aggregated numbers are totals though. Some are, for example, maximums. Each statistics uses its own aggregation method. HTH, Alex.
