Zabbix value cache. The percentage of used data buffer.

Zabbix value cache Dates. SELECT a. כדי להפעיל את פונקציונליות ה-value cache, ValueCacheSize אופציונלי הפרמטר נתמך על ידי שרת Zabbix configuration. 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 Zabbix Fehler – value cache working in low memory mode. Currently history syncer locks value cache for every item in trigger expression. I checked the server config file and saw that the value cache was set to the default one which is 8M. # # 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). | |Value cache, % used| The availability statistics of Zabbix value cache. 1 "Value Cache is Fully used" 18-02-2015, 12:10. 3 Triggers. 15 Restricting agent checks. All Time Today Last Week Last Month. Видим что Value cache вышел за 95%, нужно добавить ему памяти. Filtered by: Clear All. 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. Integer. null XML Word Printable. 04 LTS. Two internal items are supported for monitoring the value cache: zabbix[vcache,buffer,<mode>] and zabbix[vcache,cache,<parameter>]. This means if configuration was changed and request range is less, the cache will still keep values based on the old request range. When working in low memory mode value cache will attempt to switch back to normal operational mode once per day. Например, ошибка Zabbix server: More than 95% used in the value cache говорит о том, что значения кэша недостаточно и перевалило за 95%. Read/write value cache locking would improve value cache concurrent access by history syncers. vcache. Currently I don’t know which is the default cache size. Options. Details. As you can see in the Zabbix Cache Usage graph, the problem is now resolved. Is this not what you were looking for? Switch to the current version or choose one from the drop-down menu. This in-memory cache can be used for accessing historical data, instead of making direct SQL calls to All those values go into value cache and it drops easily as every new item value for the trigger goes there. . 3 12 Value cache Overview. # # Mandatory: no Range: 0,128K-64G Default The old item values are removed from value cache based on the maximum request range. You may have to REGISTER before you can post. values" in the output of the following command zabbix_server -R diaginfo=valuecache Top. For at least a month - I've noticed that both of these caches seemed to gradually fill over time. you wait and this occour; Result: See screenshot. # Size of trend cache, in bytes. This in В логах Zabbix появляется ошибка Zabbix value cache running on low memory mode и в момент возникновения на графике использования диска появляется запись Посмотрим график Zabbix server: Value cache, % used. zabbix[vcache # Size of history value cache, in bytes. # Shared memory size for storing trends data. This could be easily fixed by removing the item instead of adding new values if it has not been accessed during last 24 hours. you wait and this occour; Result: See screenshot 11 Value cache Overview. 0 If your nice zabbix 5. 3 Daemon configuration. 2 Trigger expression. 4 Trigger severity. So with irregular data input, the required values are dropped from cache and then read again from database. all with (varying sizes) of memory allocation errors on zabbix_server startup. Zabbix Manual. zabbix[triggers] The number of enabled triggers in Zabbix database, with all items enabled on enabled hosts. Veieu més detalls amb elements interns. Resulting in Zabbix value cache working in low memory mode alert (See value-cache-server-log. zabbix[vcache Value cache works by having 'active range' of values to keep in cache and older values are removed when new values come in. 9 from source. Packages. These two have me stumped. dm_os_performance_counters a JOIN ( SELECT cntr_value, OBJECT_NAME FROM sys. This structure is allocated when item is added to value cache and released only if item is removed. Then check Monitoring -> Graphs -> Zabbix server -> Zabbix Cache usage graph Comment. Salve, ho un problema con la mia versione 7. 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. 5. One such measure, introduced in Zabbix 1. cntr_value,0)),0) AS dec (3, 0)) AS cntr_value FROM sys. you wait and this occour; Result: See screenshot Все настройки Zabbix сервера нужно оптимизировать под вашу инфраструктуру. values:21 itemid:2506641 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. Default: 8M Range: 0,128K-64G. But will that prevent about 43% being lost in fragmentation? We're still running 5. 4. 20. # Setting to 0 disables value cache. We have not added many new devices for monitoring during this time. Type: Problem report The value cache gets full because ALL the values since the trigger is triggered are kept in the value cache; Trigger. This in-memory cache can be used for accessing historical data, instead of 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]. Introduction. 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. Installiert ist Zabbix Server 4. Come posso risolvere ? In allegato il numero di item e host Grazie in anticipo [ZBX-16678] Zabbix Core Server: Zabbix value cache working in low memory mode Created: 2019 Sep 25 Updated: 2019 Sep 26 Resolved: 2019 Sep 26 Status: Closed: Project: ZABBIX BUGS AND ISSUES: Component/s: None Affects Version/s: None 11 Value cache Overview. Since that we are experiencing a problem with History Write Cache value dropping on irregular times. as you can see in the charts both data collectors and internal processes show no sign of being busy. You can script around zabbix_sender on destination host to send data on zabbix server, but it requires item key be "Zabbix trapper" type and periodical send should be configured on destination server scheduler. 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. you wait and this occour; Result: See screenshot To enable the value cache functionality, an optional ValueCacheSize parameter is supported by the Zabbix server configuration file. Previous 1 2 template Next. Per habilitar la funcionalitat de la memòria cau de valors, un paràmetre opcional ValueCacheSize és compatible amb el fitxer configuració del servidor Zabbix. Zabbix 1. System: Ubuntu 10. For precise numbers of values processed, use the zabbix[wcache,values,all] internal item. cros. Steps to reproduce: Only time. People. Joined: Jul 2017; Posts: 87 #5. Specifies the vault provider: As my zabbix has grown, I've usually been able to monitor the zabbix server performance graphs, and adjust parameters to keep up. The shared memory size for caching item history data requests. The percentage of used data buffer. See the internal check documentation. Yeah, I see, I should increase the ValueCacheSize parameter (again). Type: Problem report Reduce initial value cache fragmentation When starting up the value cache memory allocation pattern is 12 Value cache Overview. 5 Zabbix agent crash log on Windows platforms 4 Real-time export of events, values, trends. У меня стояло To solve, go back to your Zabbix config file (zabbix_server. 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. conf. values: itemid:2506634 values:69208 request. To make the calculation of trigger expressions, calculated/aggregate items and some macros much faster, since Zabbix 2. 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. Посмотрим график Zabbix server: Zabbix cache usage. Setting to 0 disables the value cache (not recommended). 8 Running agent as root. 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。 Effectiveness statistics of Zabbix value cache. 2 New things in Zabbix 7. value cache is fully used: please increase ValueCacheSize configuration parameter The system run about 30% of value cache. 11 Value cache Overview. medium 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. Host and manage packages Check value cache; Result: Permanently increasing values in the value cache for items with triggers using either min, avg or max functions with time in the parameters on the new hosts. שני פריטים פנימיים נתמכים לניטור מטמון הערך: zabbix[vcache,buffer,<mode>] ו zabbix[vcache,cache,<parameter>]. 3 Value cache Configuration cache Trend cache. Cache usage is growing about 30% per week in my environment. 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. Initially, Value cache would fill up and then hover around 15-20% full. I increased value 11 Value cache Overview. medium Zabbix FrontEnd: Amazon Linux AMI - m3. Attachments. Veja mais detalhes em itens internos. 0 / NULLIF (b. 12 Value cache Overview. Hello, The After this change my value cache usage % spiked by 25%. 2. Log In. el7 @zabbix Description Steps to reproduce: 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; Trigger. 28-1. ValueCacheSize value was modified from 8M to 32M even after the event is getting triggered. Чтобы решить данную проблему необходимо отредактировать 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? Or every thing else? Zabbix Core Server: Zabbix value cache working in low memory mode. 08-08-2017, 18:21. We are getting alert Less than 10% free in the value cache. Setup My setup is a Zabbix server that monitors - among others - some 25 Juniper switches with SNMP. Restart Zabbix server service and you should be good. 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. x seems like a lot of trouble ahead without real gain in value (for our use case). As default config, value is not specified. 7 Distribution-specific notes on setting up Nginx for Zabbix. conf value you can adjust Reply reply If your cache size parameter is failing at 128M, how much memory do you have on the host? Also you may need to look at your limits. zabbix_server. 11 Oracle database setup. If this is your first visit, be sure to check out the FAQ by clicking the link above. We have slowly increased our value cache, but keep getting warnings and going into low memory mode. 1 Configuring a trigger. 16M is not enough and your server will crash again as soon as you add another host. First identify the root cause by analyzing all Zabbix performance graphs, pay most attention to History Syncers and Value Cache Efectiveness graph. The effectiveness statistics of the Zabbix trend function cache. Hi, I have a problem with the Configuration Cache. How do I clear it? I'm increasing the CacheSize value every week. if I see the graph seems something bug. x86_64 4. set CacheSize to 130M, 64M, 32M, 128K. medium Zabbix В данном разделе собрана информация по установке, настройке и решению проблем Zabbix * В логах Zabbix появляется ошибка "Zabbix value cache running on low memory mode" Zabbix value cache is continuously exhausting. x is now supported. Assignee: Unassigned Reporter: Gaurav Teotia Votes: Powered by a free Atlassian Jira open source license for SIA Zabbix. zabbix[uptime] The uptime of the Zabbix server or proxy process in seconds. 10 Value cache Overview. Page of 2. This in-memory cache can be used for accessing historical data, instead of I allocate ValueCacheSize=64M,and last value 'Zabbix value cache, % free' shows there's 40. first problem: every night at 3am sharp there is an unexplained spike of value cache. 28 OpenSSL 3. For me help change parameter ValueCacheSize from 8M to 16M. To make the calculation of trigger expressions, calculated/aggregate items and some macros much faster, starting with Zabbix 2. conf and change the amount of available shared memory. Hi, I'm having a rather odd problem, where the value cache usage increases every day with about 4%; and after it goes into low memory mode, calculations show the wrong value. Dois itens internos são suportados para monitorar o cache de valores: zabbix[vcache,buffer,<mode>] e zabbix[vcache,cache,<parameter>]. After 24 hours working in low memory mode the value cache Поэтому часть ошибок которые мы получаем от zabbix касаются тонких настроек. Under some circumstances it is possible that zabbix server logs are populated with messages that value cache is fully used, Well, if you consider a feature to not receive value cache is fully used: please increase ValueCacheSize configuration parameter message when internal graphs display you 60% free at 2GB allocated then item data structure is allocated for every item stored in value cache and it contains value cache related item information - id, type, references to historical data etc. This in-memory cache can be used for accessing historical data, instead of About a mont ago, due to company decision, we moved our zabbix server enviroment to Amazon AWS. the spike happen all by itself in the value cache. Directly replacing it with read locks is not possible, because of possible history caching and range/statistics 11 Value cache Overview. dm_os_performance_counters WHERE counter_name = 'Buffer This is the documentation page for an unsupported version of Zabbix. # # Mandatory: no NethServer Version: 7. See the internal check Zabbix value cache is continuously exhausting. Closed. As with all newly introduced processes, this cache’s effectiveness can be monitored using internal check I had value cache under 40% normally. 13 Execute now. I'm trying to figure how to deal with value cache and I'm wondering why I have big mismatch between "values" and "request. I have checked the configuration file the valuecachesize = 1G. To solve, go back to your Zabbix config file (zabbix_server. Name: Free disk space is less than 2GiB and 20% on volume 11 Value cache Overview. Do recovery triggers use zabbix value cache, even with no problem triggered? 29-01-2024, 09:23. pused` | |Value cache hits| The effectiveness statistics of Zabbix value cache. Post Cancel. It resulted in massive performance improvements (up to 10 times), mostly because of a significantly reduced database access (that we looked at in previous blog posts). 0. 25 Value cache Stores values for easier accessibility Is used for trigger calculation Zabbix still uses value cache to calculate trigger, and it seems the value will stay there until Zabbix server restart. object_name, 'BufferCacheHitRatio' AS counter_name, '' AS instance_name, cast (a. This in-memory cache can be used for accessing historical data, instead of making direct SQL calls to the database. |Dependent item|vcache. cntr_value * ISNULL ((100. # # Mandatory: no # Range: 128K-2G # Default: # TrendCacheSize=4M TrendCacheSize=512M ### Option: ValueCacheSize # Size of history value cache, in bytes. 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"; 7 What's new in Zabbix 6. Item values remain in value cache either When working in low memory mode value cache will attempt to switch back to normal operational mode once per day. And the more small allocations are made, the less precise the Hello everyone, I have a question, could the Zabbix agent be configured to save monitoring cache if the server loses network connectivity? it would be interesting to know what happened on the server once connectivity The effectiveness statistics of the Zabbix trend function cache. 8, is configuration cache. log output after adding 6 new devices. buffer. It seems that nothing can stop it . # Shared memory size for caching item history data requests. Sort By Name; Sort By Date; Ascending; Check value cache; Result: Permanently increasing values in the value cache for items with triggers using either min, avg or max functions with time in the parameters on the new hosts. We have a managed environment where Zabbix tool is used for monitoring both Windows and Unix hosts. 28 on 12th of April. After zabbix server OS patching, zabbix-server didn't restart due to not being systemctl enabled. Time. 9 because upgrading to 6. 14 Plugins. 0 New processes Adjusted health monitoring Performance improvements Proxy load balancing. Created: Cache usage. Setting to 0 disables value cache. Therefore, after copying Hi at all, I have a Zabbix server V5. Zabbix 7. After Zabbix was restarted, in about 18 hours, all of value cache was consumed. If it reaches above 90%, the Zabbix Server Container shuts down. 28 seeing a similar pattern? Is there a practical way to check what is using the cache? Thanks! 12 Value cache Overview. 10 SAML setup with Okta. a see free 80% and all of a sudden it goes below the threshold . pused **Preprocessing** JSON Path: `$. Is there others which use 6. Zabbix cache usage graph on Zabbix server (from the default template) 11 Value cache Overview. 12 Value cache. Zabbix server . 2 What is If this is your first visit, be sure to check out the FAQ by clicking the link above. Zabbix developer. conf file (increase count of process/cache) also The system run about 30% of value cache. Enabled items from monitored hosts are included in 11 Value cache Overview. data. This in-memory cache can be used for accessing historical data, instead of 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. Have a problem on "Zabbix value cache working in low memory mode" . Reopened. 18 to 6. 32 What's new in Zabbix 5. This wasn't caught for several hours as no one is working this week. 1 Manual structure. 2 (apt-get) and now I've compiled Zabbix 1. After 24 hours working in low memory mode the value cache must switch back to normal mode. txt for zabbix_server. The current operational mode can be checked with zabbix[vcache,cache,mode] key. See more details with internal items. Name: Free disk space is less than 2GiB and 20% on volume {#FSNAME} 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. This in-memory cache can be used for accessing historical data, instead of Comment by James Cook [ 2018 Aug 01] Hi, I have attached the value cache graph as well to show how the value cache did not really increase during that period, which may suggest something is actually hitting the value cache to frequently rather than returning to much data. zabbix[vcache,buffer,] The availability statistics of the Zabbix value cache. Type: Incident report Zabbix Support Team Reporter: Manoj Kumar Votes: 0 Vote for this issue Watchers: 1 Start watching this issue. I have upgraded from 6. This in-memory cache can be used for accessing historical data, instead of To apply the new CacheSize value, you have to restart the zabbix-server service. Member. 3 with CentOS8 and monitor about 300 server. See more details with internal items. There is no recurring activity on the server running zabbix, such as backup or such, so i cannot explain how that could be. 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. Is it possible that the historytextcache is too small and the value is overwritten before it can be saved to the database? 11 Value cache Overview. Our zabbix instance went into 'low memory' value cache operating mode a while ago and I have not been able to figure out why. Our value cache usage % is currently 23% and has a max value of 42% since well before this issue happened. 9 What's new in Zabbix 6. Centos 7 zabbix-server-mysql. The value cache usage started increasing. I am wondering if this is a caching problem (cache sizes too small) because when I get the UNKNOWN, it usually occurs when there is a lot of trigger activity. This is fine, but I want to understand what the default value is now. Hey folks, another Zabbix post today. In zabbix_server. The size of the history value cache, in bytes. About a mont ago, due to company decision, we moved our zabbix server enviroment to Amazon AWS. 10, had a 2G value cache that runs about 15% used. It will return 0 if value cache is working in normal mode and 1 if it is working in low memory mode. -----Our scenraio is : Zabbix Server AWS Site Zabbix Server: Amazon Linux AMI - m3. Sort By Name; Sort By Date; Ascending; Все настройки Zabbix сервера нужно оптимизировать под вашу инфраструктуру. As a side note, you can view the graph of all your Zabbix server Cache UNSUPPORTED : Cannot evaluate function "change()": cannot get values from value cache 03-12-2020, 19:59. After 24 hours working in low memory mode the value cache Running 6. conf: ValueCacheSize=256M Comments Comment by Arli [ 2013 Nov 18] I tried with a Zabbix value cache working in low memory mode. Update intervals and history Hi, working with Zabbix 6. 0 support. conf: ValueCacheSize=256M. 3 Required server performance, new values per second: The expected number of new values processed by Zabbix server per second is displayed. dimir. 9 Module: Zabbix 5. We normally hover around 80% of "Zabbix value cache % used". In my case, we set a cache of 100M. Vault. 8 What's new in Zabbix 6. All Discussions only Photos only Videos only Links only Polls only Events only. Вы можете встретить ошибку: Zabbix server: More than 75% used in the configuration cache. S'admeten dos elements interns per controlar la memòria cau de valors: zabbix[vcache,buffer,<mode>] i zabbix[vcache,cache,<parameter>]. This one it's about increasing the Zabbix Server Cache. 0 Performance Tuning Best Practices. 2 Zabbix proxy. 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 Zabbix value cache is continuously exhausting. 1. To start viewing messages, select the forum that you want to visit from the selection below. Collapse. 13 Additional frontend languages. Now I got it again and I've confirmed for the past 24h my value cache % was always below 20%. Ho alzato il parametro CacheSize a CacheSize=5120M e riavviato il servizio, ma continua sempre ad andare oltre il 95%. To make the calculation of trigger expressions, calculated items and some macros much faster, a value cache option is supported by the Zabbix server. The graph summarizes several caches used within Zabbix. After 24 We currently monitor about 33k metrics through half a dozen proxies. 4 Real-time export of events, values, trends. Zabbix value cache full due to one trigger. 2 a value cache option is supported by the Zabbix server. Hello, I have an unsupported item throwing the following error: Cannot Zabbix 1600px Default Style - Zabbix-- Zabbix 1600px; vB5 Style; Dark; Cloud; Blog; Trainings; Support; Webinars; Documentation; Downloads; Integrations Para habilitar a funcionalidade de cache de valores você deverá definir o parâmetro opcional ValueCacheSize no arquivo de configuração do Zabbix Server. Im Dashboard habe ich vor kurzem folgende Fehlermeldung vom Zabbix Server gesehen: Zabbix value cache working in low memory mode. When getting N values from cache, it bases the active range on the oldest value timestamp (plus minute). 1 Zabbix server. To enable the value cache functionality, an optional ValueCacheSize parameter is supported by the Zabbix server configuration file. Specifies the vault provider: ZABBIX FEATURE REQUESTS; ZBXNEXT-5846; Value cache debug runtime command 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. 3. Postgres8. When the value cache runs out of the shared memory a warning message is written to the server log every 5 minutes. # # Mandatory: no 11 Value cache Overview. At first I assumed that recovery expressions are only used once the problem is triggered, To enable the value cache functionality, an optional ValueCacheSize parameter is supported by the Zabbix server configuration file. Mi viene notificato che il valore Zabbix server: Value cache, 95% used . OpenSSL 3. Uncomment it and set to a value bigger than 8M (8M it's the default value). X. 12 Setting up scheduled reports. Item values remain in value cache either So I'm facing some issues regarding lack of cache on Zabbix and I can't seem to figure it out TrendCacheSize=4M ### Option: ValueCacheSize # Size of history value cache, in bytes. 8. 11 Additional frontend languages. Hello, I'm using Zabbix to monitor a really small network, only 7 In such case set your Value Cache size to 128 or 256 or even 512M. Zabbix daemons use various approaches to improve performance. The system run about 30% of value cache. The number of cache hits (history values taken from the cache). Required server performance is an estimate and can be useful as a guideline. 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 It will return 0 if value cache is working in normal mode and 1 if it is working in low memory mode. Erst dachte ich der Server hat nicht genug freien Arbeitsspeicher, aber das war nicht der Fall. This cache slightly changes how Zabbix operates, though, 11 Value cache Overview. Posts; Latest Activity; Photos . conf) and look for the tag CacheSize. Shared memory size for caching item history data requests. 5 Customizing trigger severities. If the value is not available in the cache yet, Zabbix will query the database and update the cache. new posts. 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 database) mode - value cache I've found that adding spaces in counter_name (Worktables From Cache Ratio) the errors go away and I get following the values: If I run the query manually from "Get performance counters" I get the same values. ZABBIX BUGS AND ISSUES; ZBX-7920; Value cache internal allocation optimizations. I've got successive "Zabbix value cache working in low memory mode" triggers, and initially increased the cachesize up to 32M. While the locks are not long, there are a lot of them. This item and a trigger based on it must be added to default Zabbix server template. 3 Trigger dependencies. Our cache is The size of the history value cache, in bytes. Reply reply clearing the IPC cache with ipcs/ipcrm between each step, too. However this range can be only increased. 4 unter Debian Buster. Even when sending any value which must not create a problem, it is ignored, value is colected from value cache and problem is detected. Holes in the graphics Our but what huge values yours, we have 862 hosts and 8652 items and our configurations are now: StartPollers=5; StartPollersUnreachable=2 11 Value cache Overview. to raise it just restart the Running 5. Previously, this value did not increase, but now it is increasing. are those value reasonable? Value cache free space statistics are calculated as total size - used space, which does not include the memory allocator overhead. Zabbix 2. for reset this situation I restart zabbix-server increase value cache in the configuration file do not resolve. Zabbix Value Cache in low memory mode. Show. В логах Zabbix появляется ошибка Zabbix value cache running on low memory mode и в момент возникновения на графике использования диска появляется запись Disk Write на десятки гигабайт . 4 If this is your first visit, be sure to check out the FAQ by clicking the link above. after about 15 day goes to 90% . 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" Only zabbix serevr daemon 11 Value cache Overview. Filter. Export. Вы можете встретить ошибку: Zabbix server: More than 95% used in the value cache Looking for recommendations on cache size on a Zabbix server. but this not expected. not running zabbix-client concurrently, for testing. So in reality it has less free space than reported. 19 % left,but there's still warning in server log . 4 TimescaleDB setup. Редактируем параметр ValueCacheSize в /etc/zabbix/zabbix_server. Activity. ecmkz kctyuwu zvd skyrx aepovpz waon ehoqod jifqndao nbjawx vnik