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Hey folks, Our network group is looking to get some more performance from smokeping. I'm looking for some tips on how to optimize performance and I welcome any suggestions. Currently, we have about 6400 ip addresses that are pinged 30 times across a 5 minute interval. When I reconfigured smokeping last time, I set up 30 FPing probes and distributed the ip addresses across those 30. Right now, there is no offset on those FPing probes, but I have experimented with that in the past. We are consistently adding branches, which means more ip addresses to ping, so I have a script that runs every morning to retrieve the latest list of ip addresses from a database and write the config for smokeping. Many of our branches are on DSL or cable with some dialup, but many are moving to T1. My feeling is that some smokeping performance issues may be solved simply by having lower latency links. Our network group would like to be able to do 5 pings every 30 seconds for each of the 6400+ ip addresses. As part of the process of improving performance, we are going to move smokeping from a virtual machine to a physical machine. However, we are currently running it in Xen paravirtualized, so Are any folks on this list doing a similar number of pings in a fairly short amount of time? Is there a better way to spread out the ping load other than creating more FPing probes? We seem to be limited by I/O and memory and those probes currently use about 3.5 GB of memory last time I checked. Another thought we had was to use SAN disk instead of internal disk to decrease latency and improve throughput. Also, I just wanted to say thanks to all of the developers and testers of smokeping for a great utility. We have been using it for over 2 years now and have been pleased with its reliability and performance. We looked at comparable commercial solutions that could match the performance that we get from smokeping and were shocked at their sticker price. Let me know if you need more details about our setup. Thanks in advance. Jeff |
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