Zabbix server zabbix server value cache hits. Aug 29, 2018 · 32088:20180828:031618.
4-fpm it's correct now. I think i set the zabbix server in Maintenance mode en reboot the server. Jul 25, 2023 · Where is Zabbix storing it's information if you're running an all-in-one? Post the Zabbix server version. It re-creates this cache by default every 60 seconds. pid" in zabbix_server. Apache is running as user nobody or apache and does not "see" all processes, e. How can I solve this problem? Can I get your advice? Thanks ***** System information ***** 16 CORE 64 GB Memory Ubuntu 22. Initially everything was working fine. JPG Zabbix Server - Value Cache. After zabbix server OS patching, zabbix-server didn't restart due to not being systemctl enabled. Zabbix server向 Zabbix proxy发送配置数据的频率(秒)。 ProxyDataFrequency: Zabbix server从 Zabbix proxy请求历史数据的频率(秒)。仅用于被动模式下的proxy。 ServiceManagerSyncFrequency: 确定 Zabbix 以秒为单位同步服务管理器配置的频率。 SNMPTrapperFile must be added. It will likely cause more problems than it solves. If the housekeeper is too busy or takes too long to accomplish its task, that has nothing to do with whether zabbix_server is keeping up with data collection. 4 documentation Created: 2021 May 19 Updated: 2021 May 20 Hello, We have 70 hosts in Zabbix and our value cache is setted to 50MB, but once a week it get higher than 95% and we have to restar Zabbix Server to flush Value Cache Size, there is a recommendation for value cache size by Host or Items or Triggers? . I don't know what the default is in 2. It will return 0 if value cache is working in normal mode and 1 if it is working in low memory mode. This number may be high or low and is used as a guide to help you know when other issues may start to occur. 3. zabbix_server [-c config-file] zabbix_server [-c config-file] -R runtime-option zabbix_server [-c config-file] -T zabbix_server -h zabbix_server -V 描述. yaml How would I go about increasing the configuration cache size? I've added 45 servers so far and I'm at about 85%. The cache size itself may be set with configuration parameter CacheSize and by default is 8MB. conf ) and online 5. [ZBX-19404] Zabbix Server source file (src/zabbix_server/server. After Zabbix was restarted, in about 18 hours, all of value cache was consumed. After I defined bulk templates for all hosts, I got the "Utilization of housekeeper processes over 75%" alarm, but it was not resolved for about 20 hours. medium May 8, 2008 · Yes, SELinux is the problem. zabbix_server. 36-0ubuntu0. Feb 12, 2023 · I'm monitoring about 1300 hosts on Zabbix. 0 tells you that the ValueCache is insufficient for the configuration and you cannot optimize any of the settings (lots of thing could be done for that) you can still increase you ValueCacheSize. After seeing the trigger: More than 75% used in the configuration cache, Consider increasing CacheSize in the zabbix_server. Aug 5, 2022 · NethServer Version: 7. One of those two hosts was in the queue list with a time of around 1d and the other was not in there at all, and both had a received value that was within minutes of each other. Here is the output: Not sure if its related to upgrading to 5. As far as I'm aware no config changes have been made, just wondering if anyone had any ideas before I dig too deep. Search the forum for MariaDB tuning. 4 Zabbix server 4. Jun 3, 2014 · My Zabbix server acted up this morning - It reports that its not getting any Value Cache Hits, and loads of "misses", its "Text Write Cache" has only 2% free, the Trapper Process is stuck at 100%, and nothing works. Conf file to increase cache size to 8G. I checked the server config file and saw that the value cache was set to the default one which is 8M. I found ZBX_CACHESIZE=8M in env_vars/. Aug 29, 2018 · 32088:20180828:031618. Zabbixサーバは、Zabbixsソフトウェアの中核のプロセスです。 Zabbixサーバは、データのポーリングとトラッピングを遂行し、トリガーの統計を行い、ユーザーに通知レポートを送信します。 Looking for recommendations on cache size on a Zabbix server. I was installing some hosts to the new server. JPG Zabbix Server Monitored Hosts Items Triggers. You may have to REGISTER before you can post. 2. 19 % left,but there's still warning in server log . Shared memory size for caching item history data requests. Still not working. 3 Triggers. 2 (Tikanga). Now I ran into a problem that Zabbix Server has shut down and is unable to start again due to the known "__zbx_mem_reallo Mar 26, 2014 · When I running this in the monitored server with this command : [root@server3 ~]# zabbix_agentd -t logmessages logmessages [t|16685] The values is like what I expected, but when I trying to get the value from zabbix server with zabbix_get command, I get different value the value is always 0 : [root@zabbix ~]# zabbix_get -s 192. URIs cache hits percentage Sep 4, 2020 · 10 Value cache. Size of history value cache, in bytes. 10. JPG Zabbix Server - Timer Process. I kindly ask for help. Though after awhile I started noticing notifications that zabbix server wasn't running. I'm currently looking for where this file could be. 10, had a 2G value cache that runs about 15% used. very strange is that i receive value from this host, but only the trigger seems to be freaking out. data. This is the message I'm getting when looking at the logs: 2270:20191119:214628. For me help change parameter ValueCacheSize from 8M to 16M. As default config, value is not specified. If zabbix is looking for a current value, but history sync is behind, that value won't be in the cache. sem = 250 32000 100 128 TLDR; ensure you've specified various CacheSize values in zabbix_server. 6 (occurred during 1. 2 0. Apr 16, 2024 · administrador@SZabbix:~$ ll /var/log/zabbix total 362480 drwxr-xr-x 2 zabbix zabbix 4096 abr 16 14:31 . 185 Zabbix Server stopped. 1 -rw-r----- 1 zabbix zabbix 448 jul 31 2023 zabbix_agentd. 04 LTS Apache:2. zabbix-agent 10050/tcp zabbix-agent 10050/udp zabbix-trapper 10051/tcp zabbix-trapper 10051/udp Jun 19, 2023 · You may specify port of Zabbix server or Zabbix proxy in such syntax: zabbix-server:10061,zabbix-proxy:10072 ## - name: ZBX_ACTIVESERVERS ## value: zabap1. Dec 14, 2010 · In the server log i found following line: End of update_trigger_value():FAIL The reason i looked into the server. Unfortunately the Zabbix Server service does not start. Wait until at least 2 values are obtained for this data element to calculate the diff function. Aug 25, 2017 · The hard hit ones are value cache and history Write Cache . hits` Change per second | |Value cache misses| The effectiveness statistics of Zabbix value cache. So far I only added less than 10 devices in Zabbix. This happens regularly ie every week or two. Discard unchanged with heartbeat: 10m. -470 hosts-35000 items-19000 triggers-500 new values per second Current settings: CacheSize=128M 为了更快地计算触发器表达式、计算或聚合类型监控项和一些宏。Zabbix Server支持值缓存选项。 这个内存缓存,可以用于访问历史数据,而不需要对数据库直接执行SQL调用。如果请求的历史值不在缓存中,则会从数据库请求缺失的数据,并相应地更新缓存。 Internal queue items. The system run about 30% of value cache. Jul 14, 2023 · Hello everyone, I have this problem with a Zabbix Server. See more details with internal items. zabbix[proxy,<name>,<param>] The information about Zabbix proxy. I've never done this on any Zabbix server before (probably bad on my part) and never encountered an issue until this update. Jul 30, 2019 · Hello Mohs3n, 1. I modify zabbix_server. 0 If your nice zabbix 5. If this is your first visit, be sure to check out the FAQ by clicking the link above. After 24 hours working in low memory mode the value cache must switch back to normal mode. If the number is higher than usual, and you are having no problems indicated in any of the other graphs then you can consider that ok. conf [file:dbconfig. By taking these steps, you should manage the trends cache usage more effectively and keep your Zabbix server running smoothly. May 18, 2016 · Any idea what is the recommended value for the below cache size. Particularly for the Database. Dec 31, 2022 · Running 6. Dec 6, 2012 · 13276:20120612:162324. Passive checks. I restart earlier this morning and of course see: Zabbix value cache operating mode (zabbix:zabbix[vcache,cache,mode]): Normal (0) So back to normal. Feb 17, 2024 · cyber was polite. Confusing graph naming Zabbix for cache usage (observed in 6. To start viewing messages, select the forum that you want to visit from the selection below. When I check zabbix server it has error, mysql it working This is my check log Zabbix, the last log: Jun 21, 2014 · 2nd request from zabbix agent with normal value will handle Zabbix Server 2 (because we use load balancing), but this server doesn't have previous critical value in value cache, because previous critical value has been handled in Zabbix Server 1, so previous critical event will not be closed/cleared. Server config; Dec 27, 2013 · I allocate ValueCacheSize=64M,and last value 'Zabbix value cache, % free' shows there's 40. Two internal items are supported for monitoring the value cache: zabbix[vcache,buffer,<mode>] and zabbix[vcache,cache,<parameter>]. ValueCacheSize value was modified from 8M to 32M even after the event is getting triggered. Zabbix version is 4. When Zabbix server history cache is full the history cache write access is being throttled, stalling server data gathering processes. The difference between Zabbix agent and Zabbix agent 2 requests/responses is expressed by the "variant" tag value. JPG Zabbix Server - Value Cache Hits. I have included several graphs for the last 7 day period. brd. shmmni = 4096 # semaphores: semmsl, semmns, semopm, semmni kernel. It has been stable until a few weekends ago, and now it went worse. We noticed it last year running a standard CentOS 5. JPG Zabbix Server - History Syncer Process. Thread can be closed or deleted. Aug 4, 2011 · Zabbix server generates configuration cache, mostly containing information on hosts and items to be monitored. Specifies the vault provider: Hello, I am new here, but have been running Zabbix Server with a few Proxies for some time. Zabbix_server stops every day and I wrote a script to restart it when it stops. c,line:95] __zbx_mem_malloc(): out of memory (requested 40 bytes) [file:dbconfig. 4. shmall = 2097152 kernel. Vault. All of them are using passive checks, but somehow only a few machines are passing values to the Zabbix server whereas others are hit by this problem as shown in the Zabbix server log: <html> Mar 21, 2024 · Once that issue have been solved, now the problem is to figure out how to show the value that we want, because de Cache Hit Ratio is not a %, neither the Buffer cache hit ratio Comment Post Cancel May 17, 2024 · The above screenshot shows two devices both pulling the same type of value and the items are setup identically except the OID of course. values: itemid:2506634 values:69208 request. Zabbix server is not running. JPG Zabbix Template With Yesterdays changes. Can someone help me, please? Output of service zabbix-server status zabbix-server. How can I resolve this alarm and what is the effect? Using postgresql. 8. Parameters: name - the proxy name;; param - delay - how long the collected values are unsent, calculated as "proxy delay" (difference between the current proxy time and the timestamp of the oldest unsent value on proxy) + ("current server time" - "proxy lastaccess"). kindly check few parameters in "/etc/services" file. 6 on Centos 7 with a separate database machine. I'm getting this kind of messages in systemctl status zabbix-server. For Zabbix agent active checks , monitoring stops within the time frame (approx. As shown in the referenced URL, check the busy rate and cache status of each process that can be confirmed with the monitoring template for Zabbix server. lan,zabap2. In the second instance i removed the macros from the host (they are unset globally) and it sends empty strings as the second and third index in the request, and this failing again because it somehow expects this to contain the port. man. 13 Agent 2 is installed. service I've been using Cent OS 7,version of zabbix is 5. Restart Zabbix server service and you should be good. 4 on Ubuntu 16. We think this problem is a latency problem or a database In theory this might cause value cache to switch to low memory mode even if there are some space that might be freed without problems. 052 Database is down. Each of the "server nodes" hosts zabbix-server and the web front end. I thought it was just a front-end glitch but after awhile I noticed the graphs weren't being populated with Dec 5, 2014 · I think there is a race condition between the history sync and things checking the value cache. A passive check is a simple data request. you wait and this occour; Result: See screenshot Expected: See screenshot. VMwareCacheSize Jul 10, 2019 · Todat we get a problem in the zabbix server that was: More than 95% used in the value cache. 概要. Were standing up a new primary Zabbix server (6. Type: Problem report The busy history syncer processes is almost at 100%, the free value cache is over 2% and the free trend write cache is over 23%. 051 [Z3001] connection to database 'zabbix' failed: [200$ 13276:20120612:162324. Jan 24, 2019 · I just the zabbix appliance installed on my VM server. The zabbix server log is showing alerts of slow querys over 5 sec to 50 sec. ZABBIX BUGS AND ISSUES; ZBX-17091; Exhausted history write cache shuts down zabbix server. 2xlarge (4 CPU, 34 GB RAM) with a mySQL backend. Return value: Integer. 0 0. Log In. The Zabbix server shut down and I can not get the server to start back up. The server has four proxies connected to it, but the queue seems to be growing steadily. 185 syncing trend data done 32088:20180828:031618. The system is a VM with 2CPUs and 2GB RAM. # # Mandatory: no # Range: 1-3600*24*7 # Default: # ProxyConfigFrequency=10 ### Option: ProxyDataFrequency # How often Zabbix Server requests history data from a Zabbix Proxy in seconds. |Dependent item|vcache. It seems as if the server can't manage the items sent to it. This could be easily fixed by removing the item instead of adding new values if it has not been accessed during last 24 hours. Default: 8M Range: 0,128K-64G. # This parameter is used only for proxies in the passive mode. When the value cache runs out of the shared memory a warning message is written to the server log every 5 minutes. Simply go to Monitoring -> Graphs and choose Zabbix server host You are interested in graphs: You should consider the number of items that must be processed per second, rather than the total number of monitored hosts and items. In the -p parameter put the PID of the zabbix_server parent process. Zabbix server or proxy asks for some data (for example, CPU load) and Zabbix agent sends back the result to the server. c,line:92] __zbx_mem_malloc(): out of memory (requested 269 This overload could result in a performance hit, where checks are processed slower than they should. . 4 because I was able to configure things. el7. -----Our scenraio is : Zabbix Server AWS Site Zabbix Server: Amazon Linux AMI - m3. I have installed the Server, Proxy, DB & Portal on seperate vm's. c,line:95] __zbx_mem_malloc(): please increase CacheSize configuration parameter systemctl restart zabbix-server zabbix-agent nginx php7. Zabbix is Open Source and comes at no cost. 0TLS, for the web front end is Apache. We currently monitor about 33k metrics through half a dozen proxies. Note: This value might be low if the Kernel URI cache hits percentage is high. log was, that every 5 min, all trigger on one machine going to state "unknown", and then after 1 min the are ok again. Hello everyone, I am running zabbix server v2. Export. 9 Module: Zabbix 5. Suddenly, we started to see that HistoryWriteCache is decreasing considerably fast. Application to look inside of the zabbix_server memory to get which data is being stored in the value cache. after about 15 day goes to 90% . JPG Zabbix Server - History Cache. 812 [file:vmware. Oct 26, 2016 · About a mont ago, due to company decision, we moved our zabbix server enviroment to Amazon AWS. / drwxrwxr-x 15 root syslog 4096 abr 17 00:00 . Files cache hits percentage: The ratio of user-mode file cache hits to total cache requests (since service startup). Even if we don’t have any remote locations and have a single data center, it is still a good practice to delegate most of your data collection to a proxy running next to your server, especially One of the first things I do on a new install is to increment the Timeout= value in zabbix_server. Why did you think to increase the value? Apr 23, 2011 · kernel. cache, % used": judging by the item keys ("pused") - value displayed ar % used: Thus it appears that the graph should be renamed to "Zabbix server: Zabbix cache usage Jan 27, 2022 · I increased log level to 5. Currently I don’t know which is the default cache size. ) Your software configuration (Are you running the DB, web interface, and Zabbix Server on the same system? Or is it distributed? When value cache runs out of the shared memory a warning message is written to the server log every 5 minutes. I have a Zabbix server with the following specifications and I am experiencing memory problems. / -rw-r----- 1 zabbix zabbix 14690 abr 16 15:03 zabbix_agentd. Thanks for all the tips and pointers. g. 4). Zabbix Server process is running: # ps aux|grep zabbix zabbix 13276 0. log -rw-r----- 1 zabbix zabbix 13597 abr 13 06:54 zabbix_agentd. com 発端 Zabbixが乗っているHyper-Vサーバを再起動したところ、Zabbixから「Zabbix value cache working in low memory mode」なるメッセージが出 Mar 28, 2024 · I've connected my MSSQL server to zabbix via ODBC. Mar 16, 2017 · Less than 5% free in the value cache: Problem We've been using zabbix for more than 6 months already and never had this problem. Last edited by Guest; 08-10-2020, 08 2 Zabbixサーバ 概要. We have 2 Zabbix Server nodes running native HA (Act/Pass). [root@localhost ~]# systemctl status zabbix-server zabbix[proxy,<name>,<param>] The information about Zabbix proxy. In theory this might cause value cache to switch to low memory mode even if there are some space that might be freed without problems. 168. 1908. service Sep 4, 2020 · 10 Value cache. In Zabbix >= v5. x86_64) runing on a VM (Vmware). Plug in is installed. I increased value May 29, 2017 · im running a zabbix server 3. Your system hardware configuration and specifications (Physical Memory, Disk Space, CPU, etc. 12 Restricting agent checks. 54% 8. 1908 (final) Module: Zabbix Hi, I installed and configured a Zabbix server with different hosts and installed agents on my hosts. Here you will see a large improvement. When I restart zabbix_server service, the issue is fixed, but it happens again few hours later. Details. Setting to 0 disables the value cache (not recommended). zabbix_server 是Zabbix软件的核心守护进程。 选项-c, --config config-file 使用指定的 配置文件替代默认文件。-f Oct 27, 2022 · Zabbixより「Zabbix value cache working in low memory mode」というメッセージが出たので直してみた。 これまでの記事 Zabbixやってみた|rone|note Zabbixをセットアップしてみた note. I also see the pollar process topping 100% Zabbix busy poller processes, in % (:zabbix[process,poller,avg,busy]): 100 % This overload could result in a performance hit, where checks are processed slower than they should. Ensure you provide the database plenty of memory and tune the settings appropriately. 4, but in previous Value processed per second (VPS) indicates how busy your Zabbix server is. Template is installed. 0 a similar information could be extracted with zabbix_server -R diaginfo=valuecache. The problem is that I don't understand the reason why it stops. Apr 1, 2022 · I also confirmed in the logs that it's reading the correct configuration file, /etc/zabbix_server. Therefore, after copying from the Mar 4, 2011 · We have this issue where there is an unexplained huge jump in Value Cache hits in which we then experience a build up in the History cache until we restart the server. cache size; history cache size; trend cache size; value cache size; I was having some memory issue on yesterday and has increase the cache size in zabbix server config file from default to 32M. This item and a trigger based on it must be added to default Zabbix server template. 7. gz -rw-r----- 1 zabbix zabbix 107 jun 19 2023 To enable the value cache functionality, an optional ValueCacheSize parameter is supported by the Zabbix server configuration file. 2 2492 800 pts/1 S+ 16:24 0:00 grep zabbix Jul 17, 2023 · Zabbix v4 value cache analyzer. For Server this template is called: Template App Zabbix Server Inside this template you are able to find graphs that will tell you current health of server. The zabbix server log show al lot of "value cache is fully used: please increase ValueCacheSize configuration parameter" After checking the cache usage, it is only using 20 % of the cache size. 5 seconds) that Zabbix agent receives information about the host having been disabled. Specifies the vault provider: May 23, 2022 · So in the first instance where credentials are mapped to macros it tries to use the username as a port. Aug 15, 2021 · Learn how to setup Zabbix alerts via Gmail, Office 365, or any mail server! Configure advance Zabbix email notifications & escalations and more! I don't know if this could help you. values:21 itemid:2506641 Nov 12, 2023 · # How often Zabbix Server sends configuration data to a Zabbix Proxy in seconds. Setting to 0 disables value cache (not recommended). 3 at least). 3 -p ZABBIX FEATURE REQUESTS; ZBXNEXT-4661; Excessive unexplained value cache hits leads to poor zabbix server performance We have a managed environment where Zabbix tool is used for monitoring both Windows and Unix hosts. And performance when its closed to 0% is very poor. shmmax = 4294967296 kernel. This wasn't caught for several hours as no one is working this week. I am getting these notices in my Zabbix for my Zabbix server and want to know if I should increase my CPU and or RAM to fix these notices and by how much? My Zabbix runs on Hyper-V with two 2 core CPUs, and 8GB of RAM. In zabbix_server. 122. hits **Preprocessing** JSON Path: `$. Zabbix VMware cache, % free 99,55% It is the default value It's hard to say exactly how many NVPS Zabbix can handle; it largely depends on a few different variables. Sep 4, 2020 · zabbix_server - Zabbix server 守护进程 . Thus far it's performed well but ever since this history write cache problem the processor load has begun to spike. 5 also) using MySQL backend. conf configuration file. May 2, 2020 · NethServer Version: 7. Syslog: Nov 29, 2023 · Hi Guys, Good day! Seeking for your help regarding on this concern. I have removed all the host template assignments and its still like that? I have increased my "StartTrappers", to no avail. Our cache is 2gb in size now and reading, it seems that is quite high. Sep 8, 2011 · The server runs on CentOS 5. c) has differing TrendFunctionCacheSize minimum value compared to configuration file comments (conf/zabbix_server. 0. 2 deployment with the official compose file: docker-compose_v3_ubuntu_pgsql_latest. MSSQL by Zabbix agent 2 Overview. Since that we are experiencing a problem with History Write Cache value dropping on irregular times. 75 The server is running on an AWS m2. Jun 19, 2016 · Had a problem with our Zabbix server locking up the other day, and since we physically restarted the machine, value cache has been disappearing. env_srv and changed that to 256M. I check log it shows configuration cache out of memory. Mar 17, 2020 · Hello, I have a problem with the zabbix server container, it stops a few days after installing it. We normally hover around 80% of "Zabbix value cache % used". This parameter is supported since Zabbix 2. 6, Zabbix-1. May 26, 2018 · Last week I have installed zabbix 3. 11 Execute now. Jan 22, 2018 · zabbix value cache, % free [all] 80. We have not added many new devices for monitoring during this time. After I add near 15 switches using snmp. after reboot the server Zabbix won't start now. centos. Steps to reproduce: Only time. company. There are also another two items specifically allowing to remote query internal queue stats on another Zabbix instance: zabbix[stats,<ip>,<port>,queue,<from>,<to>] internal item - for direct internal queue queries to remote Zabbix server/proxy Debian 10 Buster amd64 MariaDB 10. " Host: Debian 12 Zabbix 6. When value cache runs out of the shared memory a warning message is written to the server log every 5 minutes. conf, specifically the configuration cache which is simply 'CacheSize' in the config file. 52 (Ubuntu) MySQL: 8. Aug 28, 2014 · I have started working with Zabbix as an alternative to the commercial monitoring tools out there. xml Jun 23, 2023 · HOw can I resolved this problem? Thank you! My Zabbix server is 6. medium Zabbix FrontEnd: Amazon Linux AMI - m3. 9 Hosts monitored (all via proxies): 359 Items monitored: 37325 NVPS: 217. 14 Parameter Value Details Zabbix server is running Yes To enable the value cache functionality, an optional ValueCacheSize parameter is supported by the Zabbix server configuration file. I set it to 16M and restarted the server. XML Word Printable. I think that could be the problem ;-) Sep 25, 2022 · I'm using a 6. my problem: inside of graphs or problem reports a wrong time value is displayed [root@zabbix etc]# date Sat May 2 12:43:23 CEST 2020 [root@zabbix etc]# date -u Sat May 2 10:43:25 UTC 2020 displayed time in the dashboard clock: 12:43 displayed To enable the value cache functionality, an optional ValueCacheSize parameter is supported by the Zabbix server configuration file. Jul 3, 2016 · If you have history/trends cache usage or those caches are constantly not 100% free it means that zabbix server process is not able enough fast push data to DB backend. I need some advice in the Jun 12, 2018 · Hi, we have a large zabbix instalation with zabbix server in our on premise DC and zabbix DB in a cloud provider. conf. For passive data requests initiated by Zabbix server/proxy (for example, Zabbix agent, SNMP agent, simple checks), monitoring stops as soon as you disable the host. I did not define a housekeeper in my server settings. Mar 6, 2020 · Separate the services: 3 separate servers/VMs; 1 for database; 1 for Zabbix Server; 1 for Zabbix Web Server; Use SSD over HDD. for reset this situation I restart zabbix-server increase value cache in the configuration file do not resolve. The number of cache hits (history values taken from the cache). - Timeout is 30, as i have some servers/ n/w devices (snmp) are sending data lately due to n/w latency. Zabbix Server: Utilization of discoverer processes over 75% Zabbix Server: Zabbix value cache working in low memory mode Jun 4, 2018 · Hi, im facing this weird situation whereby i setup a few AWS EC2 (running Linux) to be monitored by Zabbix. cache. In the container configure the values: CacheSize = 3G HistoryIndexCacheSize = Oct 22, 2020 · At the moment I see an entry "PidFile = / var / run / zabbix / zabbix_server. OS is CentOS 7 (centos-release-7-7. The size of the history value cache, in bytes. This template is designed for the effortless deployment of MSSQL monitoring by Zabbix via Zabbix agent 2 and doesn't require any external scripts. The shared memory size for caching item history data requests. 39% Trigger: Less than 5% free in the value cache [<5] During that time above I go into low memory mode. The general graph name states "cache usage, % free", however values displayed are labeled as ". Reconnecting in 10 seconds. lan ## The variable is comma separated list of allowed Zabbix server or proxy hosts for connections to Zabbix agent 2 container. log. It's at AWS and using RDS so the CPU and memory loads are low but we do run into the values cache alert with some frequency. I'm receiving results for some items but for other items errors are returned: Preprocessing failed for: [{"object_name":"SQLServer: Use this forum to ask questions about how to do things in Zabbix If this is your first visit, be sure to check out the FAQ by clicking the link above. Jan 22, 2018 · Hi all, Recently my zabbix is sending notification so late (as my attachment), not only email but also problems, triggers on web UI, graph data is not up to date too, but it still updating (but late), like I'm monitoring the past :lol: I don't know why, maybe syncer history process (always more than 75%) The system run about 30% of value cache. zabbix_server is the core daemon of Zabbix software. 86% 42. 28% 90. Protection from this scenario was implemented to avoid problems that arise due to overloading history cache. 1 Configuring a trigger. JPG Zabbix Server - Value Performance. However, I'm not sure if that is the Nov 25, 2019 · Hello guys! So I'm facing some issues regarding lack of cache on Zabbix and I can't seem to figure it out why The server keeps shutting down after about 5 minutes. Attachments: Zabbix Server - Configuration Cache. medium | |Value cache hits| The effectiveness statistics of Zabbix value cache. In other words your DB backend shows first symptoms that it is not enough fast for inserts queries. Your advice to "up all the pollers" is terrible advice. Apr 22, 2024 · "The TCP Port of SQL Server service is currently unavailable. This period can be customised by configuration parameter CacheUpdateFrequency. values" in the output of the following command zabbix_server -R diaginfo=valuecache Top. vcache. value cache is fully used: please increase ValueCacheSize configuration parameter Jun 10, 2024 · Hi, working with Zabbix 6. It work OK with about 30 cisco devices SNMP host, when I add more SNMP Cisco devices, the Zabbix server auto stop/restart and cannot runing. May 16, 2015 · Zabbix server version: 2. 22. Starting yesterday, zabbix is failing to collect data from all the hosts it's monitoring. Our server architecture right now is a 2-tiered application build. server has 8 cores and 17G memmory (uses only 10) now i have tried all forums and suggestions but still i see in the poller processes graph stable on 100% busy. So I assume it wouldn't help a lot. VaultDBPath: no From the box Zabbix has templates to monitor the health of zabbix server itself. 04. Apr 23, 2024 · As an extra precaution, you can view the graph of all of your Zabbix server caches, like the Configuration Cache, where we had a similar issue before, in the Zabbix Server Health Dashboard. 5 23108 2056 ? S 16:23 0:00 zabbix_server root 13283 0. MySQL Administrator shows an 8% average query cache hit rate on our MySQL server that mainly hosts zabbix. I'm trying to figure how to deal with value cache and I'm wondering why I have big mismatch between "values" and "request. conf file on your system look for setting CacheSize= Make sure it is uncommented (no # in the beginning of line), and set the value four times higher than it is now. I have two Zabbix proxy servers installed and running. We have slowly increased our value cache, but keep getting warnings and going into low memory mode. And considering zabbix constantly inserts new data into the main tables, the query cache gets constantly invalidated. Zabbix is the ultimate enterprise-level software designed for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines and network devices. 1 Zabbix: 6. Jan 15, 2014 · - Cache, TrendCache, HistorySize cache are high, because long back zabbix crashed due these settings, and at this size i got zabbix working. conf, but this file does not exist in the directory. Feb 15, 2011 · zabbix_server is installed on a Red Hat Enterprise Linux AS release 4 (Nahant Update 3) a,d mysql database on a Red Hat Enterprise Linux Server release 5. Zabbix agent: perf_counter_en["\Web Service Cache\File Cache Hits %"] Preprocessing. From the doc, it says if the value isn't cached, it will go to the database. Temporary spike in % value cache used >75%; zabbix itemid:568708 active range:28800 hits:490488 count May 4, 2021 · Zabbix proxy supports active and passive modes, so we can push the data to the Zabbix server or have the Zabbix server pull the data from the proxy. ykkrvkdcigcmtyztugdu