LVS Monitoring. 33. CPU usageload level on the director Michael Mc. Connell. Top doesnt display CPU usage of ipchains or ipvsadm. CPU usage of ipchains or ipvsadm. After youve run them, they go away and the kernel does its new. Unfortunately for some reason. I can have a LVS DR director which is running 5. Mbps on a 1. 00. Mpbs link. I would expect it to be higher. Julian 1. 0 Sep 2. Yes, the column is named CPU, i. CPU spend for. one process related to all processes. As for the load average, it is. As we know, LVS does. So, the normal. mode is the LVS box just to forward packets without spending any CPU. This is the reason we want to see load average 0. Sudo aptget install nagios3 nagiosplugins nagiosnrpeplugin. Following three steps will happen on a very high level when Nagios installed on the nagiosserver monitors a service for e. Linked to my multi part series on using Nagios Core with Exchange server, I would like to explain how you can configure mail notifications to recipients when status. Install or Upgrade Nagios on CentOS. Now were ready to compile and install Nagios. First, you need to extract the files. NoteI am not using sudo for the extractionOTOH, vmstat reads procstat and there are the counters. CPU times. Considering the current value for jiffies the. CPU time. LVS is somewhere in the system time. For more. accurate measurement for the CPU cycles in the kernel there are some. CPU in some kernel functions. LVS throughput at the director with ipvsadm. The number of activeinactive connections are available from. Julian 2. 2 May 2. Conns is a counter and is incremented when a new connection is created. It is not incremented when a client re uses a port to make a new connection. Joe, the default with Linux. IP Virtual Server version 0. Prot Local. Address Port Scheduler Flags. Remote. Address Port Forward Weight Active. Conn In. Act. Conn. TCP lvs. 2. mack. RS2. mack. net 0 Route 1 0 0. RS1. mack. net 0 Route 1 0 0. TCP lvs. 2. mack. RS2. mack. net telnet Route 1 0 0. RS1. mack. net telnet Route 1 0 0. You can monitor connections with. Dennis Kruyt d dot kruyt at zx dot nl 3. Jun 2. 00. 4. http anakin. I am running a 2 node lvs cluster and was wonder if the list could recommend. My LVS is the frontend for a reverse proxy cache and I would like to know. VIP is handling. I need to know the data rates on a per ip basis. I use mrtg at the switch. I need to have more granularity, hence the need for per IP basis. Kjetil Torgrim Homme kjetilho at ifi dot uio dot no. L t smtp smtp stats. Prot Local. Address Port Conns In. Pkts Out. Pkts In. Bytes Out. Bytes. Remote. Address Port. TCP smtp. uio. no smtp 1. Defy Autodry 36 Manual/ Download 32&Amp;Amp;Amp;64 Bit Version'>Defy Autodry 36 Manual/ Download 32&Amp;Amp;Amp;64 Bit Version. M 0. mail mx. M 0. M 0. mail mx. M 0. M 0. ipvsadm L t smtp smtp rate. Prot Local. Address Port CPS In. PPS Out. PPS In. BPS Out. BPS. Remote. Address Port. TCP smtp. Monitoring LVS director throughput statistics from the proc system originally procnetipvsstats. Cyril Bouthors. Where can I get the info originally in procnetipvsstats and removed since 0. Wensong Zhang wensong at gnuchina dot org 2. Nov 2. 00. 1. for global stats procnetipvsstats. You can get per service statistics by. Ln stats tuf service address. If you want to program to get statistics info, use libipvs. Heres the writeup that went with the original code. Packet throughput in 6. The counters are not resetable, you have to keep. Output is in hexadecimal. Heres the statistics. Total. Conns In. Pkts Out. Pkts In. Bytes Out. Bytes. F9 1. 39. 45. E4. 9 6. 13. AD3. B2. F 4. F9. 0FE6. F9. E. Virtual Service. Pro Virt. Service Conns In. Pkts Out. Pkts In. Bytes Out. Bytes. TCP C0. A8. 02. 6E 0. B 0. 00. 00. 00. TCP C0. A8. 02. 6E 0. A9 0 0. C3. A5 0. 00. 00. Pro Virt. Service Real. Service Conns In. Pkts Out. Pkts In. Bytes Out. Bytes. TCP C0. A8. 02. 6E 0. C0. A8. 01. 0C 0. B4 0. 00. 00. 00. TCP C0. A8. 02. 6E 0. C0. A8. 01. 0B 0. B4 0. 00. 00. 00. TCP C0. A8. 02. 6E 0. C0. A8. 01. 0C 0. A2 0 0. 00. A 0. 00. TCP C0. A8. 02. 6E 0. C0. A8. 01. 0B 0. A 0 0. 00. 00. A8. Saint Seiya The Hades on this page. Can I zero out these counters if I want to get rates. I store the last count There was a recent 2 months ago talk about zeroing in kernel counters. Im not so sure if all the kernel hacker gurus agreed but. You must not zero a counter in the kernel I didnt really understand the arguments against or pro zeroing counters. Im not a big help here, but if others agree we certainly can add this. It would be ipvsadm Z as an analogy to ipchainstables. BTW. we are proud of haveing 6. Storing. there are different approaches to this complexity order. Use a script that extracts the info and writes it flat to a file. Use MRTG or rrdtool since I reckon you wanted to use the stats to. These tools handle the problem for you. MRTG requires SNMP, but you can have a slightly modified snmpd. The advantage of this over the first one is, that you can write. I give you an example. We have a customer named plx. Now he has only one service and 2 realserver. We extended the snmpd. The scripts are awk scripts that get the information accordingly to. You can then do a table walk of the OID. IP COMMUNITY. 1. Example output if everything is ok. Table. ext. Entry. Names. 1 lbsessions. Table. ext. Entry. Names. 2 lbsessions. Table. ext. Entry. Names. 3 lbsessions. Table. ext. Entry. Names. 4 lbsessions. Table. ext. Entry. Command. 1 binsh opttacsnmplbsessions. Table. ext. Entry. Command. 2 binsh opttacsnmplbsessions. Table. ext. Entry. Command. 3 binsh opttacsnmplbsessions. Table. ext. Entry. Command. 4 binsh opttacsnmplbsessions. Table. ext. Entry. Result. 1 0. enterprises. Table. ext. Entry. Result. 2 0. enterprises. Table. ext. Entry. Result. 3 0. enterprises. Table. ext. Entry. Result. 4 0. enterprises. Table. ext. Entry. Output. 1 2. 92. Table. Entry. Output. 2 1. Table. ext. Entry. Output. 3 1. enterprises. Table. ext. Entry. Output. 4 1. Here you see that the total amount of sessions of the load balancer. Write a MIB for LVS stats. MRTG family Intro. There are a family of monitoring tools descended from MRTG. These. now include RRDtool a descendant of MRTG, written by the same author. Tobias Oetiker and wrappers around RRDtool like lrrd which have spawned. Laurie Baker lvs at easytrans dot com 2. Jan 2. 00. 4. Nagios is a monitoring tool previously known as Netsaint. Ive read the documentation for mrtg and several of its descendants. While the syntax of all of the. I saw Tobias give a talk at Usenix one year about MRTG and while I knew. I didnt know how to set it up. Some people have got these packages going. I do. Id like a worked example. The accompanying. SNMP, php, gd. are not described. While a competent sysadmin will be able to work out what is missing from. MRTG family LVSGSPNote. Alexandre has a new address Alexandre dot Cassen at free dot fr. Alexandres open source code. The links below to Alexandres pages are dead. You can find files here. LVSLVS HOWTOHOWTOfileslvsgsp 0. May 2. 00. 8. lvsgspnewscripts. LVSLVS HOWTOHOWTOfileslvsgspnewscripts. Alexandre Cassen alexandre dot cassen at wanadoo dot fr. LVS status information. The LVSGSP package includes directions for installing and a sample. The mrtg. cfg file can be. Work. Dir usrlocalmrtg. Icon. Dir usrlocalmrtgimages. VS1 1. 0. 1. 0. 1. TargetVS1 usrlocalbinLVSGSP 1. DirectoryVS1 LVS. Johnny Robot 5. Max. BytesVS1 1. VS2 1. TargetVS2 usrlocalbinLVSGSP 1. DirectoryVS2 LVS. Max. BytesVS2 1. A note from Alexandre. Concerning the use of MRTG directly onto the director, we must take care. CPU time monopolised by the MRTG graph generation. On a. very overloaded director, the MRTG processing can degrade LVS. Peter Nash peter dot nash at changeworks dot co dot uk. Im using a perl script to pull LVS statistics from my directors into MRTG. Im sure this could be easily modified to. RRDTool. Im no perl programmer so Im sure there are better. Since. my MRTG runs on a remote server not the directors using SNMP gives me. I need. The main problem to overcome was that the. IPVS table. If you are using. I also had a few problems. RH8. directors but that was probably down to my lack of knowledge, I got there.