Zabbix history cache size. See full list on zabbix.


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    1. Zabbix history cache size The are stored as long as the history storage period is defined. 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. History and history index cache Causes: Data cannot be written in the DB fast enough Most of the time issues arise together with history syncer Fixes: Tune and check DB performance Increase HistoryCacheSize and HistoryIndexCacheSize(Make sure there is enough RAM on the server - this only applies if your DB is big) When a small set of items starts flooding history cache with values, history syncers can't process the cached data fast enough. Setting to 0 disables the value cache (not recommended). When the value cache runs out of the shared memory a warning message is written to the server log every 5 minutes. 969925 query_cache_size = 256M. # Number of pre-forked instances of DB Syncers. As with all newly introduced processes, this cache’s effectiveness can be monitored using internal check zabbix[tcache,cache,], which can be used to set the relevant TrendFunctionCacheSize parameter value. x86_64 Return of zabbix_server -R diaginfo == history cache diagnostic information == Items:0 values:0 time:0. So either do less frequent data aquisition in your items and/or reduce the time the history is stored. Looking for recommendations on cache size on a Zabbix server. zabbix[vps,written] The total number of history values written to database Feb 20, 2019 · The history values do store each item value as it is retrieved/received from the hosts. 支持两个内部监控项用于监视值缓存： zabbix[vcache,buffer,<mode>] and zabbix[vcache,cache,<parameter>]。更多细节请查看 内部监控项。 Mar 6, 2018 · History Cacheに格納されているデータをDBに同期する時に格納 トリガーの評価時に評価に必要なデータがValueCache上になかった場合、DBから取得して格納 アクション実行時のマクロ展開で必要なデータがValueCache上になかった場合、DBから取得して格納 Jul 22, 2019 · I have my Zabbix 4. 789 [file:vmware. Review the "CREATE TABLE" command in the MySQL doc. Thanks in advance Zabbix version: 6. data: Jan 17, 2019 · everything seemed okay until the &quot;history write cache&quot; started using the whole cache and losing data (perhaps by adding more hosts). 2 deployment with the official compose file: docker-compose_v3_ubuntu_pgsql_latest. 33 Linux: Alma Linux 9. conf config Jun 28, 2017 · find / -name zabbix_server. zabbix[vmware,buffer,] The availability statistics of the Zabbix vmware cache. zabbix[vcache,cache,] The effectiveness statistics of the Zabbix value cache. See full list on zabbix. The housekeeping then removes these values from the history tables when it is running. medium Nov 25, 2019 · Shared memory size for storing history data. com Apr 21, 2024 · The value is the size of the configuration cache, in bytes. So i tried to up the value to 256M and Aug 23, 2016 · ДД, Какое оптимальное значение для параметра HistoryTextCacheSize Инфраструктура следующая Feb 21, 2018 · # Size of history cache, in bytes. I have over 200 hosts and about 18,000 items -- I plan on growing the scope of monitoring but it seems to be slowing down. 2 Nov 25, 2022 · Hello! I have problem figuring out what's causing the Zabbix server to report the problem: More than 75% used in the configuration cache. Sep 10, 2024 · Hello, My zabbix process manager always has processing at 100% and the queue always remains high. zabbix_server. 要启用值缓存功能，Zabbix server配置文件支持一个可选的ValueCacheSize参数。配置. conf Edit the CacheSize from default to 32M. 4 and zabbix-server failed to start. I found ZBX_CACHESIZE=8M in env_vars/. I have only 12 Hosts being monitored by this Zabbix ZBX_JAVAGATEWAY_ENABLE=true ZBX_STARTJAVAPOLLERS=5 Every couple of days the zabbix-server gets stuck and all agents are unreachableMy Zabbix History Write Cache is fully utilized which clears up on a service restart. 3 Mysql 5. yaml How would I go about increasing the configuration cache size? I've added 45 servers so far and I'm at about 85%. 1. The shared memory size for caching item history data requests. 000348 Memory. # How often Zabbix will perform update of configuration cache, in seconds. # Shared memory size for indexing history cache. 0. Please, could someone help me to find the problem and solve that? Zabbix 4. 3 to 5. # Size of history cache, in bytes. This in-memory cache can be used for accessing historical data, instead of making direct SQL calls to the database. 838 One child process died (PID:32168 Jul 6, 2021 · If the value is not available in the cache yet, Zabbix will query the database and update the cache. Feb 8, 2024 · I didn't add any devices, items or triggers, it just started to increase and now every time it reaches 100% the Zabbix Server container turns off, so I have to increase the cachesize for it to turn on again, but in a week it increases again. In this case you must know what you are doing! # Size of configuration cache, in bytes. However, I'm not sure if that is the Nov 18, 2021 · Tick the checkbox next to the Override item history period option; Set the History storage period to 90d; Navigate back to Configuration → Hosts and click on your host; Click on the Items next to your host and find the previously modified item; Click on the green i next to the History storage period; Read the override notification Sep 8, 2011 · If you are having problems with Zabbix, post here. env_srv and changed that to 256M. 2. conf from the standard 32M to a higher. You may have to REGISTER before you can post. # Shared memory size for storing history data. el9_4. Aug 29, 2018 · 32168:20180828:031614. # # Mandatory: no Range: 128K-2G Default: HistoryCacheSize=16M ### Option: HistoryIndexCacheSize # Size of history index cache, in bytes. The range you can choose is between 128K-64G. # # Mandatory: no # Range: 128K-2G # Default: HistoryCacheSize=500M ### Option: HistoryIndexCacheSize # Size of history index cache, in bytes. To make the calculation of trigger expressions, calculated items and some macros much faster, a value cache option is supported by the Zabbix server. To start viewing messages, select the forum that you want to visit from the selection below. 7. The first line created a new table named "history_new", with the exact same layout as as the existing "history" table, but without any data in it. medium Zabbix FrontEnd: Amazon Linux AMI - m3. See attachment. 24 Jan 27, 2022 · The order that datacare did stuff is correct. Then check Monitoring -> Graphs -> Zabbix server -> Zabbix Cache usage graph Oct 26, 2016 · About a mont ago, due to company decision, we moved our zabbix server enviroment to Amazon AWS. 789 __mem_malloc: skipped 340 asked 9677816 skip_min 272 skip_max 1551896 32168:20180828:031614. Less than 20% free in the history cache: PROBLEM Last value: 10. I spent way too much time trying to figure out why so I figured I'd post here to hopefully save someone a headache. 0-427. # # Mandatory: no Range: 128K-2G Default: HistoryIndexCacheSize=4M ### Option: TrendCacheSize # Size of trend cache The availability statistics of the Zabbix value cache. Since that we are experiencing a problem with History Write Cache value dropping on irregular times. # # Mandatory: no # Range: 128K-2G # Default: 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? Sep 25, 2022 · I'm using a 6. I've done some web searching and making adjustments to settings 10 Value cache Overview. To apply the new CacheSize value, you have to restart the zabbix-server service. 4 Kernel 5. c,line:86] zbx_mem_realloc(): out of memory (requested 9677816 bytes) 32168:20180828:031614. The trapper and poller process also runs pretty at all times (>75%). # Shared memory size for storing host, item and trigger data. c,line:86] zbx_mem_realloc(): please increase VMwareCacheSize configuration parameter 32088:20180828:031614. Hi, After the upgraded version, the history write cache parameter is abnormal, causing the web interface data loading delay, and the cache is getting lower and lower. Shared memory size for indexing history cache. 33. 4 running on a system with 8 cores and 4GB of RAM with about 20% RAM usage on average and negligible CPU utilization. I have tried to Google the problem and also found a solution to change the value of CacheSize in zabbix_server. 14. We normally hover around 80% of "Zabbix value cache % used". This happens because the less the stored items/values ratio is, the more it slows down picking items for processing. Oct 31, 2018 · じゃあ次はzabbix serverとmysql。 zabbix serverのログには目立ったエラーログがない。。 なのでもっと多くの情報を得るべく、zabbixでzabbixのインフラ情報を得ることにしました。 zabbix server自体に Template OS LinuxとTemplate App Zabbix Serverのtemplateを追加。 Aug 23, 2016 · If this is your first visit, be sure to check out the FAQ by clicking the link above. Aug 27, 2014 · Zabbix statistics Total hosts: 380 - Total items: 12190 - Total triggers: 4530 - Required server performance: 224. -----Our scenraio is : Zabbix Server AWS Site Zabbix Server: Amazon Linux AMI - m3. zabbix[version] The version of Zabbix server or proxy. I updated from 5. sadxm fmm xcmofy wrcpo zckf sptx zlt tokko rqnaa gzloc