![]() ![]() This monitor returns the number of FQDN cache requests satisfied as hits. This monitor returns the number of requests to the FQDN cache. This monitor returns the number of IP cache misses. Certain failed queries may be negatively cached for an amount of time determined by the negative_dns_ttl directive. This monitor returns the number of lookups that were negative hits in the IP cache. If the ratio of hits to requests is less than 60-75%, you may want to increase the size of your IP cache. This monitor returns the number of lookups that were hits in the IP cache. This monitor returns the number of requests received by Squid's IP cache. This monitor returns the number of clients that sent HTTP requests to Squid since it was started. This monitor returns the amount of network traffic, in kilobytes, written to origin servers and neighbor caches. This monitor returns the amount of network traffic, in kilobytes, read from origin servers and neighbor caches. This monitor returns the number of errors received from origin servers and neighbor caches. This monitor returns the number of requests forwarded to origin servers and neighbor caches. This monitor returns the amount of network traffic, in kilobytes, used for ICP messages received from neighbors, not including UDP and IP headers. ![]() This monitor returns the amount of network traffic, in kilobytes, used for ICP messages sent to neighbors, not including UDP and IP headers. This monitor returns the amount of network traffic, in kilobytes, written to cache clients. This monitor returns the amount of network traffic, in kilobytes, read from cache clients. This monitor returns the number of client requests that resulted in an error. This monitor returns the number of client requests that were cache hits. This monitor returns the total number of HTTP requests received from cache clients. This monitor returns the number of reserved file descriptors. This monitor returns the current number of available (unused) file descriptors. This monitor returns the total number of objects currently in the cache. This monitor returns the CPU utilization, as a percentage, since Squid was started. Not the same as the total memory used by Squid. This monitor returns the amount of memory allocated by the memory pooling routines. This monitor returns the number of times this process called read( ) on HTTP sockets connected to origin servers and neighbor caches. This monitor returns the number of page faults for the Squid process since it was started. This monitor returns the amount of disk space (in kilobytes) currently used to store on-disk objects. This monitor returns the amount of memory (in kilobytes) currently used to store in-memory objects. SAM API Poller templates are also available. Component monitorsĬlick here for an overview about SAM application monitor templates and component monitors. The following configuration should be present in the nf file:Īcl Snmppublic snmp_community acl APMhost src snmp_access allow APMhost SnmppublicĪcl Snmppublic snmp_community public acl APMhost src 192.168.2.3 snmp_access allow APMhost SnmppublicĪfter these changes are made, restart Squid.įor further information on configuring SNMP with the SolarWinds Platform agent for Linux, see SNMP for agents. You can change this port by using the snmp_port directive in the nf file. Starting from version 3, it should be enabled by default.įor SNMP, Squid uses UDP port 3401 by default. On Linux/Unix, to enable the SNMP module on Squid, you should use the -enable-snmp option when running. Squid SNMP module must be configured on target server: SNMP should be installed and configured for monitoring squid process on target server. SSH and Perl must be installed and properly configured on the target server. Prerequisites for SolarWinds Platform agent for Linux You can use the SolarWinds Platform agent for Linux or SNMP agentless to monitor. This SAM application monitor template allows you to monitor the performance of a Squid proxy server installed on a Linux/Unix machine by using SNMP monitors and Perl scripts. ![]()
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