Re: unable to disable 30sec. caching?
"Dave Shield" <[email protected]>
| Newsgroups | gmane.network.net-snmp.user |
|---|---|
| Message-ID | <[email protected]> |
On 22/08/07, johnrembo <[email protected]> wrote: > As far as I understand it should immediately update snmp counters with the > fresh values instead of caching them for 30sec, at least man page says so: > > "The agent caches the exit status and STDOUT of the exe- > cuted program for 30 seconds after the initial query. > This is to increase speed and maintain consistency of > information for consecutive table queries. The cache can > be flushed by a snmp-set request of integer(1) to > 1.3.6.1.4.1.2021.100.VERCLEARCACHE." This text is contained in the description of the 'exec' directive, and refers specifically to that particular table. It is not automatically applicable to all cached data. > ..... This works fine on freebsd machines with net-snmp 4.2.6, but on > linux machines (debian4/net-snmp 5.2.3-7) every counter is being cached for > 30 seconds. The 5.x line introduced a simple build-in cache for interface statistics, on a per-architecture basis. This is hard-coded into these early versions. More recently, there has been a major re-write of the IF-MIB and related groups. This includes making the timeout behaviour much more flexible. It is now possible to set the cache timeout dynamically (for each group individually), flush a specific cache, or flush *all* caches. This is also common across all supported architectures, rather than being hardcoded into particular O/S's We suggest you try with the most recent release of the software (5.4.1). Dave ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Net-snmp-users mailing list [email protected] Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users