Zabbix value cache is fully used. Oct 20, 2020 · Hey folks, another Zabbix post today.
4 on Ubuntu 16. When the value cache runs out of the shared memory a warning message is written to the server log every 5 minutes. If historical values are not present in the cache, the missing values are requested from the database and the cache updated accordingly. 4 comes with a new set of zabbix[tcache,cache,pmisses] Value cache, % used: The availability statistics of Zabbix value cache. 4 adds a variety of new templates and integrations Zabbix 6. c b/src/libs/zbxdbcache/valuecache. # Setting to 0 disables value cache. tan", datalen 4240883 19133:20180720:160357. I'm trying to figure how to deal with value cache and I'm wondering why I have big mismatch between "values" and "request. 1) Reduce data chunk header size. JPG Zabbix Server - Value Cache. So with irregular data input, the required values are dropped from cache and then read again from database. 9 . 12 Value cache Overview. Virtual environment: memory: 32G; disk: 700G zabbix version: 6. JPG Zabbix Template With Yesterdays changes. Value cache works by having 'active range' of values to keep in cache and older values are removed when new values come in. This in-memory cache can be used for accessing historical data, instead of making direct SQL calls to the database. 4 TimescaleDB setup. if I see the graph seems something bug. 4 introduces a webhook integration for the Line messaging app, allowing Zabbix events to be forwarded to the Line messenger. 812 [file:vmware. 28 seeing a similar pattern? Is there a practical way to check what is using the cache? Thanks! Jan 27, 2022 · I increased log level to 5. 173 ===== 1100:20240125:150905. Though after awhile I started noticing notifications that zabbix server wasn't running. 8 Running agent as root. Say you have a trigger which evaluates the average values for the last 1 hour (trigger function avg(1h)=) then all item values for this hour are put into value cache for faster calculations. I increased value Apr 23, 2024 · The message “Zabbix server: More than 75% used in the trends cache” from your Zabbix monitoring system indicates that the trends cache size is nearing or exceeding its configured maximum limit, which can impact performance. JPG Zabbix Server - Value Cache Hits. This behavior is expected and helps the system run more efficiently by avoiding the extra processing required to constantly resize the memory; Mar 6, 2019 · # Size of trend cache, in bytes. Comment. It seems that nothing can stop it . 1 by port 10050 for passive checks 1. Pls see the below screenshot In my httpd. Our value cache usage % is currently 23% and has a max value of 42% since well before this issue happened. ZABBIX FEATURE REQUESTS; ZBXNEXT-2263; Support value cache low_memory internal item to log/trend "value cache is fully used: please increase ValueCacheSize" warning つまり、一旦Value Cacheを使い切るようなことをすると、サーバを再起動しない限り、正しくValue Cacheは使われないことになります! 結論は? 結論としては、Value Cacheに関しては以下のことが言えます。 ValueCacheSize = 0と設定して、Value Cacheを使用しない。 Mar 23, 2020 · Zabbix Team is pleased to announce the availability of Zabbix 4. 4 running on a system with 8 cores and 4GB of RAM with about 20% RAM usage on average and negligible CPU utilization. As default config, value is not specified. # # Mandatory: no Mar 1, 2016 · zabbix-serverプロセスをスタートしても落ちる症状色々と症状はあると思いますが、とある一つのパターンCacheメモリサイズ問題編#環境・Redhat系OS・zabbix2. Value mapping allows configuring a more user-friendly representation of received values using mappings between numeric/string values and string representations. X. Vault. Zabbix internal: zabbix[vcache When the template is applied to the host, such as Zabbix server, the name will resolve to "Processor load is too high on Zabbix server" when the trigger is displayed in the Monitoring section. This behavior is expected and helps the system run more efficiently by avoiding the extra processing required to constantly resize the memory; Mar 4, 2011 · Attachments: Zabbix Server - Configuration Cache. Zabbix server fully supports proxies that are of the same major version as the server. Jul 6, 2021 · If the value is not available in the cache yet, Zabbix will query the database and update the cache. Oct 20, 2020 · Hey folks, another Zabbix post today. This problem did not exists in Zabbix 3. 12 Restricting agent checks. # # Mandatory: no # Range: 128K-2G # Default: # TrendCacheSize=4M TrendCacheSize=512M ### Option: ValueCacheSize # Size of history value cache, in bytes. Feb 25, 2021 · Instalación Zabbix 5. To apply the new CacheSize value, you have to restart the zabbix-server service. 10 Value cache. # Shared memory size for storing trends data. But then it slowly creeps up, using about 4% additionally every day, so my remaining 40% is gone in about 10 days. Still not working. Setting to 0 disables the value cache (not recommended). Dump memory statistics and items with most values when value cache is fully used Server: Wait until at least 2 values are obtained for this data element to calculate the diff function. After seeing the trigger: More than 75% used in the configuration cache, Consider increasing CacheSize in the zabbix_server. 422 value cache is fully used: please increase ValueCacheSize configuration parameter Jun 13, 2024 · Salve, ho un problema con la mia versione 7. Zabbix is free of cost. May 26, 2018 · Last week I have installed zabbix 3. At this point the data flow stops until the next synchronization of history cache (when the history syncer process performs data synchronization). 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. 28 on 12th of April. The limit prevents overloading of network and CPU resources and overrides the default value provided by MaxLinesPerSecond parameter in the agent configuration file. cros. This is fine, but I want to understand what the default value is now Jul 3, 2016 · Initially, Value cache would fill up and then hover around 15-20% full. And only if after this cleanup there is not enough space to allocate the requested memory, value cache will remove less used items and switch to low memory mode. For example, when an item's value is "0" or "1," value mappings can be used to represent these values in a more user-friendly manner: 0 → Not Available; 1 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. Dump memory statistics and items with most values when value cache is fully used Server: . env_srv and changed that to 256M. Get solutions and tips from Zabbix support and users. 2 a value cache option is supported by the Zabbix server. 11 Value cache Overview. To enable the value cache functionality, an optional ValueCacheSize parameter is supported by 11 Value cache Overview. 8 till current 3. Now this is my main version why problem occured. Otherwise the 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. However, I'm not sure if that is the Jan 25, 2024 · 1100:20240125:150905. This behavior is expected and helps the system run more efficiently by avoiding the extra processing required to constantly resize the memory; 5. values: itemid:2506634 values:69208 request. tan", datalen 955296 19139:20180720:160825. active Hi All, Were standing up a new primary Zabbix server (6. 4 and previous versions; We are using Zabbix 7 years - form version 1. 391303% 1116 Oct 26, 2016 · About a mont ago, due to company decision, we moved our zabbix server enviroment to Amazon AWS. ZABBIX BUGS AND ISSUES; ZBX-17342; Value cache debug patch diff --git a/src/libs/zbxdbcache/valuecache. 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. 8. Integer. Ho alzato il parametro CacheSize a CacheSize=5120M e riavviato il servizio, ma continua sempre ad andare oltre il 95%. Here is the output: Not sure if its related to upgrading to 5. To make the calculation of trigger expressions, calculated/aggregate items and some macros much faster, starting with Zabbix 2. Tags: None Jan 22, 2018 · In short Value Cache is used for storing item values for evaluating trigger expressions and calculated items. First identify the root cause by analyzing all Zabbix performance graphs, pay most attention to History Syncers and Value Cache Efectiveness graph. but this not expected. values" in the output of the following command zabbix_server -R diaginfo=valuecache Top. The history index cache is used to index the values stored in the history cache; After the history cache is filled and then cleared, the history index cache will still keep some data. At first I assumed that recovery expressions are only used once the problem is triggered, but now I have my doubts. Jan 27, 2015 · Zabbix in Your Language. Steps to reproduce: Create a trigger prototype based on 2 discovered values; The trigger get triggered; Leave the problem as is for a few months; The value cache gets full because ALL the values since the trigger is triggered are kept in the value cache table_open_cache and max_connections 13 Both parameters affect the maximum number of files the server keeps opened: • table_open_cache: default 2000 • max_connections: default 151 • if you increase both TOO MUCH, you may run out of memory N. key[server_{HOST. Wide range of professional services designed to fit your unique requirements This in-memory cache can be used for accessing historical data, instead of making direct SQL calls to the database. ZABBIX FEATURE REQUESTS; ZBXNEXT-2263; Support value cache low_memory internal item to log/trend "value cache is fully used: please increase ValueCacheSize" warning ZABBIX FEATURE REQUESTS; ZBXNEXT-2474; Improve value cache low memory mode handling If the calculation result is a float value it will be trimmed to an integer if the calculated item type of information is Numeric (unsigned). Value cache now also tracks the item daily range and once per day updates the active range with daily range. Jan 29, 2024 · After this change my value cache usage % spiked by 25%. Now I got it again and I've confirmed for the past 24h my value cache % was always below 20%. 9 Module: Zabbix 5. . Does anyone know what causes this memory mode to change, how to recover from being in low memory mode, or if this is even an issue if the usage is within its range? 1116:20200527:121656. Learn more about Zabbix features. 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. yaml How would I go about increasing the configuration cache size? I've added 45 servers so far and I'm at about 85%. Currently I don’t know which is the default cache size. 04. 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? Mar 7, 2023 · Zabbix 6. This behavior is expected and helps the system run more efficiently by avoiding the extra processing required to constantly resize the memory; We have a managed environment where Zabbix tool is used for monitoring both Windows and Unix hosts. I then started to see similar behavior with the trend write cache. ValueCacheSize value was modified from 8M to 32M even after the event is getting triggered. Macros may be used in item key parameters. conf) and look for the tag Running 5. Steps to reproduce: Create a trigger prototype based on 2 discovered values; The trigger get triggered; Leave the problem as is for a few months; The value cache gets full because ALL the values since the trigger is triggered are kept in the value cache Mar 24, 2023 · Zabbix monitors 100+ hosts and 20000+item, and the data collection cycle is 1 minute. 4 Value cache improvements. jpg. The value cache usage started increasing. After Zabbix was restarted, in about 18 hours, all of value cache was consumed. most of the variables are showing not supported. JPG Zabbix Server - History Syncer Process. 313 value cache is fully used: please increase ValueCacheSize configuration parameter 14580:20131126:124000. May 5, 2021 · If my Zabbix server conf file has ValueCacheSize disabled/commented out, what is the default value for the VaultCacheSize? I ask because I am getting an alert now that I am using 95% of the Value Cache and it suggests increasing the value in the server conf. This could be easily fixed by removing the item instead of adding new values if it has not been accessed during last 24 hours. 2 deployment with the official compose file: docker-compose_v3_ubuntu_pgsql_latest. 4, managing your Zabbix configuration is easier than ever! Automate your Zabbix user management with Just-in-time LDAP and SAML user provisioning; upgrade to the latest Zabbix release with zero downtime; instantly sync your configuration changes across your whole Zabbix environment. 添加如下行: ValueCacheSize=256M. 0 license. Therefore, after copying from the 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。 Aug 29, 2018 · The problem i had was monitoring a vCenter with the built-in vmware template. Full list of default ports used by Zabbix components is available on the Requirements page. conf configuration file. to raise it just restart the Mar 17, 2020 · Hello, I have a problem with the zabbix server container, it stops a few days after installing it. After I add near 15 switches using snmp. Please, could someone help me to find the problem and solve that? Zabbix 4. Sep 15, 2020 · Hi at all, I have a Zabbix server V5. It's pretty common (if you have the default settings only) get a warning about your Zabbix value cache running on low memory mode at your dashboard or logs. We have slowly increased our value cache, but keep getting warnings and going into low memory mode. After a zabbix server reboot - the cache would go back to empty, and then over the course of a week would gradually fill back up again. cyber. Zabbix 6. medium Zabbix FrontEnd: Amazon Linux AMI - m3. The behavior should be such that it's "true"/1 when the "value cache is fully used: please increase ValueCacheSize" warning message [4] would be logged. With Zabbix 6. Была проблема с DNS из-за этого набилась большая очередь, после решения проблемы с DNS очередь ушла, zabbix опрашивает, но висит событие Zabbix value cache working in low memory mode (javascript:void(0)) ZABBIX BUGS AND ISSUES; ZBX-17342; Value cache debug patch ZABBIX FEATURE REQUESTS; ZBXNEXT-5846; Value cache debug runtime command Nov 19, 2020 · I've got advice to check if Zabbix value cache is fully used. 57 . To make the calculation of trigger expressions, calculated/aggregate items and some macros much faster, since Zabbix 2. systemctl restart Under some circumstances it is possible that zabbix server logs are populated with messages that value cache is fully used, however internal metrics and charts for value cache does not show any deviations and it remains on the same level before and after. Mi viene notificato che il valore Zabbix server: Value cache, 95% used . of opened tables = N. Jul 5, 2024 · I had value cache under 40% normally. ZABBIX BUGS AND ISSUES; ZBX-17342; Value cache debug patch Mar 4, 2011 · Zabbix Value Cache is about 50% free; Zabbix pooler processes are busy maximally for 43%, average for 31%; Some statistics: We are monitoring 111 hosts, 20656 items and have 42 values per second. We currently monitor about 33k metrics through half a dozen proxies. 2、重启zabbix-server服务. Zabbix internal: zabbix[vcache,buffer,pused] Value cache hits: The effectiveness statistics of Zabbix value cache. ZABBIX BUGS AND ISSUES; ZBX-19030; Zabbix value cache full due to one trigger. На русском языке value cache is fully used: please increase ValueCacheSize. 4系 … Find out why Zabbix value cache works in low memory mode and how to fix it. Is there others which use 6. Type: Problem report Status: May 27, 2020 · Steps to reproduce: Temporary spike in % value cache used >75%; zabbix [vcache,cache,mode] item switches to 1 = "low memory mode"; Temporary spike drops below 75%; zabbix [vcache,cache,mode] item stays at 1 = "low memory mode" 4 Real-time export of events, values, trends. -----Our scenraio is : Zabbix Server AWS Site Zabbix Server: Amazon Linux AMI - m3. 4 packages and images. <br><br> Are you running your infrastructure in the cloud? Zabbix 6. The shared memory size for caching item history data requests. 11; Expected: The history data from the local data cache of the preprocessing manager is being flushed into the history cache. Be sure that your zabbix server has connection with your zabbix agent (normally cause by firewalls) 1. The history data from the local data cache of the preprocessing manager is being flushed into the history cache. JPG Zabbix Server - Timer Process. JPG Zabbix Server - Value Performance. With the mode parameter: 0 - normal mode, 1 - low memory mode: Valid parameter values are: requests - total number of requests hits - number of cache hits (history values taken from the cache) misses - number of cache misses (history values taken from the Apr 21, 2024 · The value is the size of the configuration cache, in bytes. Jun 12, 2018 · Hi and welcome to Zabbix forums! HistoryWriteCache drop does not directly mean your DB performance is the reason and I doubt Elastic will be any help there. 0. conf file (increase count of process/cache) also don't forget to tune your database! Under some circumstances it is possible that zabbix server logs are populated with messages that value cache is fully used, however internal metrics and charts for value cache does not show any deviations and it remains on the same level before and after. d, I have the my_website_name Zabbix value cache is continuously exhausting. It means that its source code is freely distributed and available for the general public. I set it to 16M and restarted the server. To find the required string Zabbix will process 10 times more new lines than set in MaxLinesPerSecond. 3 Triggers. I also found vCenter monitoring was using about 2-3Ghz of CPU usage on the vCenter. # # Mandatory: no # Range: 0,128K-64G # Default: ValueCacheSize=500M ### Option: Timeout # Specifies how long we wait for agent, SNMP device or external check (in seconds). Users of Zabbix 19140:20180720:160324. 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. See attachment. Have a problem on "Zabbix value cache working in low memory mode" . 3 Mysql 5. The number of cache hits (history values taken from the cache). Result: The command line is unresponsive for a long time, and the log file is unchanged. And it is. Two internal items are supported for monitoring the value cache: zabbix Dec 31, 2022 · Running 6. Export. x; Configurar Zabbix Dynamic PDF Report en Linux; Monitorizar SQL Server con Zabbix; Monitorizar eventos de Windows con 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. xml This in-memory cache can be used for accessing historical data, instead of making direct SQL calls to the database. Support zabbix [vcache,cache,<parameter>] [1] an additional <parameter> = low_memory (boolean) as it's available in the stats variable for return on the internal items [2,3]. I have upgraded from 6. 674 value cache is fully used: please increase ValueCacheSize configuration parameter 19141:20180720:160357. I thought it was just a front-end glitch but after awhile I noticed the graphs weren't being populated with Steps to reproduce: Create a trigger prototype based on 2 discovered values; The trigger get triggered; Leave the problem as is for a few months; The value cache gets full because ALL the values since the trigger is triggered are kept in the value cache Sep 16, 2020 · 一、zabbix出现ValueCacheSize异常. We have not added many new devices for monitoring during this time. Log In. 173 of those, 140928 bytes are used by allocation overhead 1100:20240125:150905. 2 by port 10051 for active checks # you can do it with telnet from your zabbix server > telnet <agent ip> <10050 or 10051> Trying <agent ip> Connected to <agent ip>. c,line:92] __zbx_mem_malloc(): out of memory (requested 269 Mar 12, 2020 · Hello, I have an unsupported item throwing the following error: Cannot evaluate expression: "Cannot evaluate function "change()": cannot get values from value cache. Zabbix is written and distributed under the AGPL-3. 591 itemid:568708 active range:28800 hits:490488 count:490489 perc:42. 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 value cache is fully used: please increase ValueCacheSize configuration parameterログが出力される このコンテンツを閲覧するためにはZabbix Enterpriseサポート ベーシック以上の サポート契約登録 が必要です。 Feb 19, 2020 · Under some circumstances it is possible that zabbix server logs are populated with messages that value cache is fully used, however internal metrics and charts for value cache does not show any deviations and it remains on the same level before and after. See the attatchment ValueCache8M. Collapse The history index cache is used to index the values stored in the history cache; After the history cache is filled and then cleared, the history index cache will still keep some data. After zabbix server OS patching, zabbix-server didn't restart due to not being systemctl enabled. When switching to monitoring via ESXi the problem went away. To enable the value cache functionality, an optional ValueCacheSize parameter is supported by the Zabbix server configuration file. Zabbix server is not running. I found ZBX_CACHESIZE=8M in env_vars/. 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. I modify zabbix_server. This is the message I'm getting when looking at the logs: 2270:20191119:214628. Sep 25, 2022 · I'm using a 6. We normally hover around 80% of "Zabbix value cache % used". medium Nov 29, 2016 · Hello, I wanted to monitor iLO using Template IPMI Script iLO Discovery and i have used both scripts: Jan 2, 2018 · If you are having problems with Zabbix, post here. Also, if there is no recent data in the cache and there is no defined querying period in the function, Zabbix will by default go as far back in the past as one week to query the database for historical values. When working in low memory mode value cache will attempt to switch back to normal operational mode once per day. # # Mandatory: no I have my Zabbix 4. Default: 8M Range: 0,128K-64G. Details. ". Expected: After Zabbix exits due to insufficient memory, the main process does not close HA Manager, resulting in the inability to close the Zabbix-Server service using systemctl and start the service again. 2. 571 === most used items statistics for value cache === 1116:20200527:121656. c index 02572a7492. c +++ b/src Looking for recommendations on cache size on a Zabbix server. To solve, go back to your Zabbix config file (zabbix_server. 7. A macro may be used for only a part of the parameter, for example item. Specifies the vault provider: I tried with a smaller cache sizes and it seems to me that it actually levels out at some point and cache goes into low memory mode then. Please report bugs here . 213 value cache is fully used: please increase ValueCacheSize configuration parameter 14517:20131126:124000. 18 to 6. fe5496fa6b 100644 --- a/src/libs/zbxdbcache/valuecache. 11 Execute now. Collapse. 20. Commercial support is available and provided by Zabbix Company and its partners around the world. Post Cancel. Under some circumstances it is possible that zabbix server logs are populated with messages that value cache is fully used, however internal metrics and charts for value cache does not show any deviations and it remains on the same level before and after. # Shared memory size for caching item history data requests. I checked the server config file and saw that the value cache was set to the default one which is 8M. I've got successive "Zabbix value cache working in low memory mode" triggers, and initially increased the cachesize up to 32M. 4. Login or Sign Up 405:20171201:125350. 0 If your nice zabbix 5. Upgrading Zabbix proxies is highly recommended. When getting N values from cache, it bases the active range on the oldest value timestamp (plus minute). 559 sending configuration data to proxy "monzbxp-02w. 8 Value mapping Overview. a see free 80% and all of a sudden it goes below the threshold . Our but what huge values yours, we have 862 hosts ZABBIX BUGS AND ISSUES; ZBX-17342; Value cache debug patch Jan 17, 2019 · everything seemed okay until the "history write cache" started using the whole cache and losing data (perhaps by adding more hosts). Aug 29, 2023 · Hello, I am using zabbix agent 2, on rhel 7. 10, had a 2G value cache that runs about 15% used. 2、systemctl start zabbix-server. The value cache is used to speed up calculations of trigger expressions, calculated items, dependent items and other things within Zabbix where it is more optimal to pull historical data straight from memory rather than re querying the database tables every time a value is needed. Initially everything was working fine. active. All Professional Services. This will cause unused values to be eventually removed if the item request range was reduced. In the container configure the values: CacheSize = 3G HistoryIndexCacheSize = Value cache will automatically remove unused (not accessed last 24 hours) items whenever it runs out of space for shared memory allocations. Conf file to increase cache size to 8G. This one it's about increasing the Zabbix Server Cache. Zabbix server also supports proxies that are no older than Zabbix server previous LTS release version, but with limited functionality (data collection, execution of remote commands, immediate item value checks). For me help change parameter ValueCacheSize from 8M to 16M. 24 Hello sbrews, From the start: Fresh installed Zabbix server process is fully functional and will work, however when your zabbix environment will grow you will have to tune your zabbix_server. Return values While there are no requirements to return specific values, one of the following approaches should be used when defining a webhook's response: Aug 13, 2018 · So I adjusted the value cache to 290M, then later to 400M. 0 en Ubuntu Server 20. 920 sending configuration data to proxy "monzbxp-01w. values:21 itemid:2506641 11 Value cache Overview. 173 value cache is fully used: please increase ValueCacheSize configuration parameter Jun 10, 2024 · Hi, working with Zabbix 6. Since that we are experiencing a problem with History Write Cache value dropping on irregular times. 106 sending configuration data to proxy "monzbxp-02w. Cache usage is growing about 30% per week in my environment. conf配置文件. Member. Escape character is '^]'. Senior Member. 7 Distribution-specific notes on setting up Nginx for Zabbix. Zabbix agent does not send more than maxlines of a log file per second. 04; Instalación agente Windows y Linux de Zabbix; Monitorizar Hypervisor VMware ESXi con Zabbix; Como monitorizar un proceso de Windows con Zabbix; Integración de LDAP con Zabbix 5. 4). I've done some web searching and making adjustments to settings Aug 5, 2022 · NethServer Version: 7. of connections x N (max number of tables per join) Control table_open_cache: Добрый день. 173 of those, 6654144 bytes are in 6667 used chunks 1100:20240125:150905. 4 because I was able to configure things. XML Word Printable. The percentage of used data buffer. Official Zabbix packages and images are available for: May 23, 2020 · Zabbix Team is pleased to announce the availability of Zabbix 5. 3 with CentOS8 and monitor about 300 server. HOST}_local]. 1 Cause of failure: After starting zabbix-server, the buff/cache occupies 50% of the memory; the used memory will occupy 80% of the memory space within 72 hours and will 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. This wasn't caught for several hours as no one is working this week. However chunks are limited to 64KB, so the number of lots can't be larger than ~4KB. 查看zabbix server log发现如下异常: value cache is fully used: please increase ValueCacheSize configuration parameter. Feb 19, 2023 · ZABBIX BUGS AND ISSUES; ZBX-17342; Value cache debug patch The size of the history value cache, in bytes. And now what happens: - value cache usage goes to 60% (of this 400M) in the day after a restart. To keep track of chunk slots (total, first, last) variables of type int (4 bytes) are used. For example, if Redmine and Jira webhooks have fully identical ticket_id tag names (without prefixes), the tag values can get mixed up when both webhooks are used in the same action. 二、解决办法:增加ValueCacheSize大小 1、编辑zabbix_server. After 8 days, the value cache goes into low memory Jun 28, 2017 · Then check Monitoring -> Graphs -> Zabbix server -> Zabbix Cache usage graph Comment. In my test case ValueCacheSize=8M and the cache goes into low memory mode when reaches 6M and stays there. I need to monitor a webserver running httpd-2. The range you can choose is between 128K-64G. -470 hosts-35000 items-19000 triggers-500 new values per second Current settings: CacheSize=128M 14595:20131126:123943. conf file, I have added the following lines at bottom is as shown below in folder /etc/httpd/conf. 569 value cache is fully used: please increase zabbix[vcache,cache,<parameter>] Effectiveness statistics of Zabbix value cache. I check log it shows configuration cache out of memory. JPG Zabbix Server Monitored Hosts Items Triggers. I consider this normal. JPG Zabbix Server - History Cache. Double Feb 21, 2018 · # Size of history value cache, in bytes. conf. fwlpljwhkdghbrrekflm