X. auto_explain will help you to understand which slow queries are due to bad execution plans. You may have to REGISTER before you can post. I hope someone can help me to find the cause. Or. Defaults logging to a file 'hostname'-slow. ZABBIX BUGS AND ISSUES; ZBX-1958; slow query in dashboard . log:2019-07-17 03:37:43 CEST [80965]: [4-1] user=zabbix,db=zabbix_34,app=[unknown],client=[local]: LOG: duration: 27298798. Eu desabilitei esse item do template e gostaria de saber The slow query log can either be written to a file on disk, or it can be written to the slow_log table in the mysql database. 27-MariaDB I dump the database and deployed it on a new server. stat_replication: delay of replication data propagation using Streaming Replication: pg. From this post and the video, you will learn more about the most common troubleshooting steps to resolve any proxy issues and to detect them as sometimes you might be unaware of an ongoing issue, as well as basic performance tuning to prevent such issues in the future. Below is the Jun 9, 2023 · Note, this next command is going to take a long time, 10 minutes maybe more, and your zabbix might stop responding and/or start spitting out a lot of slow database query warnings in the log. Export. MySQL Administrator shows an 8% average query cache hit rate on our MySQL server that mainly hosts zabbix. 920931 sec, "update hosts set snmp_d isable_until=1499128006 where hostid=11081" Ainda estou investigando tb o q da p fazer p nao perder coletas. Aug 21, 2021 · Atlassian Jira Project Management Software; About Jira; Report a problem; Powered by a free Atlassian Jira open source license for SIA Zabbix. It was just "select" query, so the DB do not crash. 594 executing housekeeper 580:20180629:142837. Powered by a free Atlassian Jira open source These queries lead to 100% disk IO on the DB server. Old: Zabbix 5. Mar 4, 2018 · Hi guys! I haven't used zabbix in such a huge entherprise, so I am feeling a bit confused about it's speed. Sometimes the "describe" and "explain" outputs are useful as well. 894 slow query: 32. Jun 2, 2020 · Bom dia pessoal, Estou com dúvidas em relação ao template padrão utilizado para monitorar o zabbix server, estou tendo problemas de Slow Queryes no server indicando que o item " zabbix[history_uint] " esta demorando mais de 20 segundos para retornar o valor. Apr 15, 2021 · – Total redo log capacity is determined by innodb_log_files_in_group (default value 2). It looked like a script running on an employee computer was doing high frequency requests. d/50-mysqld_safe. That is, each statement gets its own entry in the slow query log, including start transaction and commit . Set slow_query_log_file to specify the name of the log file. ZABBIX BUGS AND ISSUES query log to see queries with especially long duration #slow_query_log_file = / var /log/mysql/mariadb-slow. Using Zabbix debug mode I see the following query taking ages to complete, which is the root cause of slow chart load time. 26 , MySQL 8. log I can see lines: 31024:20201125:140556. I tried to log slow queries. In our default Dashboad we have the "Problems" widget (see image). mysql> explain select i. 5 New: Zabbix 5. You can set what is considered slow by time. Nov 20, 2016 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have pg. For which you have to execute this queries. Compare response size for API (zabbix-api endpoint) and DB (query endpoint) queries: ~ 10 MB for SQL queries and ~100 MB for API. hostid and Jul 15, 2009 · If you are having problems with Zabbix, post here. I do see errors in the log with slow queries: 1667:20190728:062541. I know what slow queries are, but how does this value affect my mysql server? what can i do to lower these slow queries? or do i even have to lower these queries or is this just a "normal" value? Zabbix is monitoring 2754 items on 89 hosts and stores 49. After start my server and database update, i have a lot of slow query database command and zabbix history syncer alert Zabbix Server log has 16367:20180718:131510. 484390 sec, "select distinct i2. Apr 9, 2014 · Ingus, I managed to get the slow queries to less than a percent (by removing this line: "log-queries-not-using-indexes = 1" from the my. log reporting lots of slow query and all related to trends_uint. For now all Proxy are disabled. Needs to be optimized to not use temporary files and filesort: SELECT DISTINCT t. 2 to 3. itemid=i. Jun 14, 2014 · Hello, I am seeing systems which are monitered by zabbix proxy are not updating data, more than 2 hrs of delay to zabbix server. 7: One Host, the Zabbix Server, "Linux" template, all defaults == ~0. When checking zabbix_server. . stat_database: state of each database: pg. 318 new values per second, thanks in advance ZABBIX BUGS AND ISSUES; ZBX-16854; Slow query logs for insert into trends_uint table I am seeing zabbix_server. Can anyone give me a light? May 18, 2009 · Enable slow queries logging in mysqld. cnf innodb config PostgreSQL by Zabbix agent Overview. As you have 120K items and 40K triggers then getting such information from all these tables can take some time. triggerid AND f. tag,tt. hostid=i. I dont believe that adding an index solves the problem. 796 slow query: 12. 627 completed 99% of database upgrade 970:20210730:130245. 4. If a log file already is open, it is closed and the new file is opened. When I open Monitoring->Hosts it takes one or two seconds to load. 017700 sec, "select distinct i2. 4: One Host, the Zabbix Server, "Linux" template, all defaults == ~0. Posts; We didn't have problems in a small enviroment, but in large we are experiencing problems with too many slow queries everytime: 23231:20170718:161916. 5 to 5. 481 slow query: 50. 34 New Jul 21, 2022 · To enable the slow query log, type the following command at the mysql> prompt: Code: SET GLOBAL slow_query_log = 'ON'; SET GLOBAL long_query_time = X; where X is time in seconds, for example, 5 SET GLOBAL slow_query_log_file = '/path/filename'[I];[/I] Linked Applications. 5. 830 slow query: 10. 15899:20191101:113619. itemid,f. My question is where to go to edit that trigger in order to increase the long_query_time or whatever is related with it to not have that warning unless there is actually something written under mariadb-slow. log #general_log = 1# When running under systemd, error logging goes via stdout/stderr to journald # and when running legacy init error logging goes to syslog due to # /etc/mysql/conf. The cause of problem is SQL query, history. 977 slow query: 117. 2. Then I observe that the action for the trigger sends a notification only after the trends select query is done. 14 Every morning at 3 o'clock, there are many slow queries. XML Word Printable. Oct 12, 2022 · Zabbix Server 5. 5 May 4, 2018 · After performing an in place upgrade to 3. 129 slow query: 4. Login or Sign Up Logging in Remember me. This widget generates a very slow query when this trigger is displayed (more than 1 min of execution time). snmp_oid,i. snmp_community,i. And considering zabbix constantly inserts new data into the main tables, the query cache gets constantly invalidated. itemid=f. If you are having problems with Zabbix, post here. log slow query: 22-01-2018, 09:10. triggerid=13272 where i. log Aug 25, 2016 · My zabbix has about 4500 nvps. The current problem is that the dashboard takes several seconds in debug mode. This template is designed for the deployment of PostgreSQL monitoring by Zabbix via Zabbix agent and uses user parameters to run SQL queries with the psql command-line tool. Search in titles only Search in ZABBIX BUGS AND ISSUES; ZBX-22047; Very slow query. Slow queries is mostly this one: This query makes mysql use temporary table. value from trigger_tag tt,triggers t,hosts h,items Jul 21, 2017 · slow query: 3659. Некоторое время назад заметил в логе сообщения типа: slow query: 3. groupid AND r. * FROM triggers t,functions f,items i,hosts_groups hg,rights r,users_groups ug WHERE ((t. For write-intensive systems, consider increasing innodb_log_files_in_group and keeping them on in a separate disk. Please report bugs here . 4 load average If I use "top", I can see that generally mysqld is the most busy, and zabbix_server is vying for top spot with it I still don't know why I would be seeing this Atlassian Jira Project Management Software; About Jira; Report a problem; Powered by a free Atlassian Jira open source license for SIA Zabbix. Posts; I tried to log slow queries. Is it possible to have two databases in a cluster and point the select queries to one database and, for instance, execution queries to another database? May 4, 2021 · Most Zabbix users use proxies, and those running medium to large instances might have encountered some performance issues. snmp_port,i. Important point here - trends work fine. To face flashing problem, it keeps catching of times and time. Feb 21, 2022 · Some informations: When i passe by Monitoring --> Latest data --> Host Groups (no matter the groups) next Apply :: It's Quick (however i don't see all servers of group) I had seen periodic slow query messages in the server log since I started the setup and hadn't found it to be problem, but over the last day the system became unusable. The precondition is that you know something about SQL to make your queries and a little bit about PHP. Have zabbix_agend collect the content of the log file with a log[] item. We can get graphs for more then 5 day period, when trends is using. function,f. Search in titles One slow query. The MySQL query that the Zabbix Server (and not the web frontend) executed that took so long was of the format: "DELETE FROM history_uint WHERE (itemid IN (<list of item id's here>))" If your server is above 5. Search in titles Zabbix upgrade issue with slow mysql select queries from 3. 870991 sec, "delete from history_uint where itemid=24408 and clock<1525622088" 580:20180629:143110. I was able to notice this correlation because said trends select queries are also reflected in Zabbix server log as slow queries: Oct 4, 2018 · I've logged query activity during this time, and Select and Updates become horribly slow (I can take an update that is logged as a slow query and run it in my standby db and it runs instantly). Nov 7, 2019 · Hi, i have one slow Query which I dont get fixed. hostid AND r. I'm using: Intel Xeon 3 GHz (4 cores) & 2 Gb RAM OS: Centos 5. Sep 21, 2017 · If you are having problems with Zabbix, post here. All database content tables like triggers, host, items tables should be so well cached that all selects should be done against cached in memory content of those tables. zabbix proxy is running on a vm with 4G ram, 4core processor. 377756 sec, ";select i. 56674 sec, "update trends_uint set num=3,value_min=100,value_avg=100,value_max=100 where itemid=123456 and clock=<TIME_FROM_3-4_HOURS_AGO>;" ZABBIX BUGS AND ISSUES; ZBX-16854; Slow query logs for insert into trends_uint table I am seeing zabbix_server. triggerid=XXXX2 where i. 62 log i/o's/second-----BUFFER POOL AND MEMORY-----Total memory allocated 4794653176; in additional pool allocated 14855680 Buffer pool size 262144 Free buffers 185427 Jul 25, 2019 · Hi sorry for the delays in response. 8. 811605 sec, "select clock,ns,value from history_uint where itemid=227901 and clock<=1500387351 and clock>1500383751 order by clock desc limit 1" Aug 10, 2007 · Use this forum to ask questions about how to do things in Zabbix. Oct 28, 2020 · Hello, Yesterday, i have upgrade my zabbix server / sql / agent from 5. 704 slow query: 5. We cannot even get get any last data or graphs. 4-4. Feb 19, 2009 · I activated statement_logging for seeing what requests are performed. 504010 sec, "insert into history_uint (itemid,clock,ns,value) values (64913,1606305249,237080617,1), very long query . functionid,f. 11 with a MySQL InnoDB schema. 36 Zabbix-server：5. Writing the Slow Query Log to a File. Question. 102 slow query: 23. Log slow queries to a table or log file. I use little PHP-Scripts like this to collect data from the zabbix DB which I use in other applications or for extended analysis. Slowest queries are of this type for example: select value from history_uint where itemid=23287 and clock<=1273669687 order by clock desc limit 2; It selects many thousand lines, and takes several seconds to perform. Mar 9, 2022 · Hey, The performance of my zabbix server is a little slow at the moment. key_,i. 26649:20240125:030209. 33 , Zabbix 5. here's an excerpt : 27106:20110926:120928. snmpv3_securitylevel,i. To choose the slow query log output destination, set the log_output system variable. log Mar 31, 2008 · The slow query log is good to run on any production db. i will test somthing. Main issue - history_uint related queries extremely slow. Collapse. triggerid=t. MySQL thread id 88, query id 55441 localhost zabbix Overview. In 23. 912GHz RAM: 32085MiB STORAGE: HDD SAS 15K RAID 10 Hypervisor: XEN MySQL: Ver 15. log: 29675:20190711:130650. 6 you can set the slow query log in the runtime itself. set global log_slow_queries = 1; set global slow_query_log_file = <some file name>; hi, i have setuped zabbix with mysql separately on two machines number of item : 120K Number of hosts : 500 Number of triggers : 40K-----my. The query really slows down all the system. 1. itemid join functions f on i. log reporting lots of slow query and all related to Dec 6, 2007 · 1. log or a table mysql. Search in titles slow query in Zabbix kill processes of zabbix-server; restart master\slave postgresql; restart pgbouncer; start zabbix-server; wait ~1hour slow query logged but with less time (about 5 sec) - do not restart. 178 slow query: 3. 580088 sec, Nov 12, 2014 · After some diagnostics i see that the problem is slow inserts on history_log table, as shown by these numbers and i also cleaned up this table but the problem persists. status: PostgreSQL processes working state: pg. Inserts to these tables sometimes take between 11 to 18 seconds. I have We have a trigger with many events. history. . Can anybody give me some advice?( I use three node MariaDB Galera Cluster , each node is a Hyper-V VM located at separate Hyper-V server and has 72GB RAM ,16 vCPU, dynamically allocated VHDX. 60 + PHP 7. flags=2 After 2 days, the queries are not done. Less requests when performance increased, it could be a script which didn't manage well timeout or errors? I started to log the queries to zabbix web, and the POST content. itemid AND hg. If you are having issues I would recommend these steps: 1) Make sure your slow query log is turned on. 0 released recently or the latest releases of Zabbix 5. 509592 sec, "update ids set nextid=nextid+256 where nodeid=0 and table_name='events' and field_name='eventid'" Nov 25, 2020 · Hi! The issue is that every one in a while Zabbix server stops processing any items (not at constant time). id=hg. Details. 251 slow query: 1174. All these changes have been backported to earlier versions, so you can use either Zabbix 5. 051 slow query: 8. Log in with. Finally, pg_stat_statements, the Swiss army knife of PostgreSQL, will help you to understand which groups of queries might all be working together to slow your system down. get API creates select query like: Jan 11, 2021 · Hello Fellows, We have a zabbix server that is experiencing very high CPU consumption due to the mariadb service. Trading performance over consistency (ACID) Zabbix move to another server. To get a picture of our environment, we currently have 3324 hosts, a total of 232506 elements and 108313 triggers. This problem occurs only with this trigger that has many events. slow_ log if --log-output=TABLE is used. This is a fresh install on Ubuntu with MariaDB. Search in titles only Search in Direct DB connection can help in this case since it builds SQL query that reduces amount of points significantly on large time ranges. snmpv3_authpassphrase,i. just let him sync; Few lines from zabbix_server. 2) Get an "analyze" output of your slow query. status OS: Ubuntu 22. 5 15-07-2009, 22:57. So I assume it wouldn't help a lot. parent_itemid=i2. It is normal on larger installations and you should not worry about it. You may have to add zabbix to group mysql (which raises some security concerns) or find another workaround. However, I would think if the DB is over run, the problem would persist after Zabbix was shutdown and restarted. groupid=ug. 0497 79) I am seeing zabbix_server. 425 Slow query: 120. but i need only slow querys in history*/trend*_tables. Jan 18, 2023 · Use the slow query log to track down individual slow statements. I get a warning on the web interface that Zabbix is not responding. Sign Up. If this is your first visit, be sure to check out the FAQ by clicking the link above. The slow query log is output to a file by default. 648759 sec, "select distinct t Jan 20, 2017 · If you are having problems with Zabbix, post here. Export Sep 19, 2017 · Zabbix 3. Try Jira - bug tracking software for your team. usrgrpid AND ug. ping. It turns impossible to store log items like this, and the average size of the item is 200 bytes, so its not that big each entry has 1 line of text, and the value column is Oct 8, 2022 · The first part is working well but at one point, there are queries taking 14 000 seconds each. We had 2 cores and the mariadb was maxing both. key Feb 20, 2010 · Hi I am getting the following slow mysql queries logged by mysql from zabbix user. 1 Distrib 10. value_type,i. Hello-I've been having a problem with slow inserts related to the history and history_str tables. 7. 000 slow query: 7. Can anyone help to sort this out? It seems to be leading to performance problems on the machine. data_type,i. 193 slow query: 703. Two Red Hat 7 Servers, 1 Isntaladao the database (Mysql) and 2 is Zabbix. ZABBIX BUGS AND ISSUES; ZBX-2363; slow query in zabbix server I believe its fixed by changing the parameters of the query rather than modifying the database. Any one has a idea what is causing this behavior on the Zabbix Server? May it be a problem with my "Value Cache Size" that is set to 1 GB today? Why always the same old start date on the queries? Jan 22, 2018 · zabbix_server. I have setting the HousekeepingFrequency=0 and switched the database to save to SSD,help me. 921798 sec, "alter table event_recovery add correlationid bigint unsigned" 13502:20170125:175243. 847825 sec, "insert into Nov 3, 2014 · Maxed out all but one available memory settings on the zabbix server; Gave 2GB to the php memory setting for apache vhost; Setup slow query logging - not getting anything over 1 second; Had DBA review mysql performance and not seeing any bottle necks there so far or slow queries; Disabled housekeeper; All Zabbix server monitored items look to Jun 28, 2018 · 580:20180629:142832. flags=2" 970:20210730:132219. Aug 12, 2008 · My mysql server has about 130 slow queries. itemid,i. 003 completed 41% of database upgrade Hi, I'm testing and trying to deploy Zabbix in our network environment. key_ from items i join item_discovery id on id. 317007 sec, "insert into history (itemid,clock,ns,value) values (33980,1564309520,186158379,36. triggerid from hosts h,items i,functions f,triggers t where h. cnf # Enable this if you want to have error logging into a separate file #log_error Login into Zabbix front end; Observe very slow load times on zabbix dashboard and zabbix server timeout run top command and saw MariaDB process taking 100% of 1 CPU of a 2 CPU system; Review zabbix server logs; Identify query; run tests while connected to zabbix database to verify log query times; Result: See zabbix_server_timeout screenshot Apr 5, 2023 · About our system: We use PHP-7. 523147 sec, "delete from history where itemid=23252 and clock<1529666912" 580:20180629:143058. 009124 sec, "alter table event_recovery add c_eventid bigint unsigned" 13502:20170125:175235. Is there a way to make it Sep 21, 2016 · 13502:20170125:175235. I restored the database from the backup that I took the day before. triggerid BETWEEN 000000000000000 AND 099999999999999)) AND f. Log In. slow query snap of latest data lasttime check Sep 15, 2011 · If you are having problems with Zabbix, post here. Only slow queries in Zabbix server logs: 2771378:20231109:063027. log slow_query_log_file very slow query in housekeeper on a not-too-fast test system with 11 million events this query took 2 hours. 24 with Proxy. 694047 sec, "delete ZABBIX BUGS AND ISSUES; ZBX-23012; Slow query from LLD worker. I think that filling combo-boxes takes so long Everything else is fine for now. 232 slow query: 1172. We have more or less 25000 hosts and 1500000 enabled items and 2000000 enabled triggers; most of them are snmp traps so we don't have polling problems) But we have a big data history and a lot of hostgroups, usergroups, users and rights for these Nov 15, 2012 · I killed the MySQL query after it ran for too long and then I even had to stop our Zabbix I'm using Zabbix Server 1. 0, Mysql 5. 594 forced execution of the housekeeper 580:20180629:142832. conf 配置文件参数 DBHost：数据库主机地址。 DBName：数据库名称。 Jun 4, 2016 · End time is now+5 minutes to be sure all Zabbix events are resolved. type,i. here's a query o found in /var/log/mysql Jun 6, 2010 · To disable or enable the slow query log or change the log file name at runtime, use the global slow_query_log and slow_query_log_file system variables. 435206 sec, "update item_discovery s et lastcheck=1499127960 where itemid between 86802 and 86853; Varias linhas deste tb mudando o hostid: slow query: 3673. 3. Sign Up Log in with. triggerid,tt. Since I've new installation of Zabbix 1. conf. 3, all pages where graphs is used to be have rendered very-very slow! Sometomes, page-refresh time is out, but graph still have not rendered. 6 MariaDB 10. log has no slow queries on it but on Zabbix I do get a warning about "MySQL: Server has slow queries (over 3 for 5m)". 930 ms statement: delete from events where (eventid between 5580621 and 5580681 or eventid between 5580689 and 5580762 or eventid between 5580769 and 5580844 or eventid between 5580851 and That queries was taking around 5 minutes to complete and crawling the whole zabbix to an stop. Request time for openeing the graphs page with running zabbix-server was about 2 minutes. Jun 28, 2018 · Hello friends! I'm having a problem on my Zabbix server and would like your help. 6. Log in. 07 ES: Alias for log_ slow_ query. 11-MariaDB Hosts: 46 Items: 65575 Triggers: 2470 Jul 28, 2011 · Log flushed up to 15 1676705567 Last checkpoint at 15 1676503298 1 pending log writes, 0 pending chkp writes 16294 log i/o's done, 2. 962144 sec, "update item_discovery set lastcheck=1706122812 where itemid in #general_log_file = / var /log/mysql/mysql. slow_query: slow query count which exceeds the threshold value: pg. Export Oct 3, 2010 · Many slow queries in Zabbix 3. Too many sorts are causing temporary tables. Nov 3, 2021 · I have trouble understanding what this number of numbers that appear in the logs are about 1393:20210311:093648. 467 slow query: 5. triggertagid,tt. itemid join items i2 on id. Slow query using temporary files. Apr 25, 2022 · Hi all, I have critical performance problem with our big Zabbix 5 environment. To start viewing messages, select the forum that you want to visit from the selection below. userid=7 lines from the Zabbix server log showing which queries are slow. The problem with the query is the sorting by "ns desc" as this is not indexed. Repeat entries in the log and a MariaDB query that keeps processor at 100%. Refreshing same chart works as expected and takes minimum time to complete. Few days ago I couldn't open graph page. select distinct i2. cnf), but I still have a bunch of items in the "over 10 min" queue. Check the zabbix log and see that it has many Slow query. parameter,t. After adding an index with all three colums everything got snappy and working again: create index history_uint_2 on history_uint (itemid, clock, ns) Jul 6, 2021 · Answer. Slow query for 1. snmpv3_securityname,i. 15 + MariaDB dist 5. 4, the mysql log is showing lots of these slow queries every minute - 4742:20180404:154012. Finally, it selects only 2 rows with LIMIT. Aug 14, 2018 · Zabbix配置文件解析 Zabbix 监控系统组件分为 server、proxy、agentd 端,对各自组件的参数进行详细了解 ,能够更加深入理解 Zabbix 监控功能以及对 Zabbix 进行调优，3 个组件的常用参数详解如下： zabbix_server. 32. Aug 19, 2022 · I have been adding host machine as the number of host increases the zabbix server is running very slow and the latest data retrived shows last check time above 1h can anyone help me on this. Here, the related parameters are innodb_log_file_size and innodb_log_files_in_group. The query cache is known to greatly improve performance if configured correctly. itemid and f. The Query itslef is done by the Zabbix Server: zabbix_server. The problem is after restoring the backup, zabbix UI is extremely slow and I can see lots and lots of select clock,ns,value from history_uint queries taking 3-6 mins in zabbix server log. 15. sr. proxy_hostid,i. The size of table reaches some times 500 Mb. bgwriter: state of background writer process: pg. snmpv3 Feb 19, 2009 · I activated statement_logging for seeing what requests are performed. 739595 sec, "select distinct tt. This server (an AWS instance) was recently installed and it´s database was migrated from a previous version, as follows: Previous setup – CENTOS 7 + Zabbix Server 5. d/mariadb. Type: Problem report Status: Use this forum to ask questions about how to do things in Zabbix. 688270 sec, "lock table maintenances in share mode" Sep 2, 2020 · Hi All, All agents that connected with zabbix-server sent emails everyday at 3:36am with title "agents unreachable for 5 minutes" This is the template: {AGENT_NAME:agent. 105 slow query: 4. also the zaabix server log say. 078 completed 39% of database upgrade 13502:20170125:175243. Forgot password or user name? Log in with. 795471 Sep 4, 2019 · We can't know from a single entry in the slow query log, but it's likely that this commit was the last statement run after some number of DML statements. Jun 6, 2010 · To disable or enable the slow query log or change the log file name at runtime, use the global slow_query_log and slow_query_log_file system variables. Set slow_query_log to 0 to disable the log or to 1 to enable it. Once discovery got to about 40-45 hosts, it started not responding. MySQL by Zabbix agent Overview. Loading… Dashboards Jun 4, 2012 · Before the select query you can also observe several other slow queries occurring before and after like so: slow query: 300. Enable it by setting query_cache_size to a 2 digit MiB value and setting query_cache_type to 'ON'. My zabbix application server is running on 4 cores and 16GB of ram, same with my zabbix database server. 872 slow query: 38. The first load of chart is awfully slow. Feb 3, 2022 · Solution : I killed this query in DB and we are back on track ;-) mysql -uroot -pzabbix -e "show processlist" mysql -uroot -pzabbix -e "kill 450" In my case the slow query ID was 450. 0-56-generic CPU: Intel Xeon E3-1280 v6 @ 8x 3. The query cache is not enabled. 2, mysql Ver 15. get API is slow when request has lots of items, for example, a history. 015999 sec, "lock table maintenances in share mode" 2771381:20231109:063709. log_slow_queries = 1 skip-name-resolve open_files_limit=6740 join_buffer_size=128K ZABBIX BUGS AND ISSUES; ZBX-21754; Oracle DB slow query when rownum is using. This template is designed for the effortless deployment of MySQL monitoring by Zabbix via Zabbix agent and doesn't require any external scripts. The slow query is 970:20210730:124312. 0. A possible solution is to replace the slow SQL query: select clock,ns, value from history_uint where itemid=123 and clock<=1460364250 and clock>1459759450 order by clock desc limit 1 Mar 9, 2016 · Для обсуждения любых относящихся к Zabbix тем и вопросов. You may have some permissions problems as the slow query log is usually only readable for user mysql and the mysql group. get request with 2000 items takes 5-8 seconds. NOTE. 0 load average 1. Problem: For some reason users got deleted from zabbix users table. The MySQL is standard Debian install with the defaults. log reporting lots of slow query and all related to Apr 12, 2017 · These queries takes about 15 seconds to finish, each one, what makes the DB server stays very slow and Zabbix Server stops processing data. 075 slow query: 9. Problems started with slow query, mostly at night there are several slow query inserts into history_uint. Jul 18, 2019 · postgresql-10-20190717-031404. Note: If you are using memcached, ignore this recommendation. Search Jan 25, 2024 · OS：CentOS7. 0 or Zabbix 5. It was working find until I started adding SNMP hosts. Aug 16, 2011 · the relationship is how to connect to the zabbix database to collect your data. This takes the CPU to 100 and devours the RAM. zabbix=# select count(*) from auditlog; count-----371158200 (1 row) zabbix=# select to_timestamp(min(clock)) as date from auditlog; date----- If you are having problems with Zabbix, post here. Latest Data is up to date and does not cause any problems. hostid,h. We identified a few script doing heavy or high frequency queries. nodata(300)}=1 there is a slow query in the zabbix server log file in that time: ----- Apr 12, 2021 · I was able to open the Zabbix database and make the queries I need, but the query took about 15 seconds and consumed a lot of processing (I used a lot of INNER JOIN between the bank tables). 08 ES, 23. In log I saw that php wants more then 512M of RAM-a, and when I increase max_mem value I can open page but it is very slow Nov 19, 2013 · Hello, some peoples say zabbix is slow, special the history-table, if so and you use PostgeSQL, please post the querys with "explain analyze". 04 jammy Kernel: x86_64 Linux 5. Type: Bug Status: Closed (View Workflow) Priority: Major The listed slow query is for getting the configuration data into Configuration Cache. Sep 26, 2011 · We've noticed that by simply doing a test on the first 500 hosts for 5 minutes, we get a bunch of slow queries. show create table history_uint\G; show table status from <your_zabbix_db> where name like 'history_uint'\G; Comment by Kelly Shutt [ 2016 Apr 25 ] Nov 17, 2015 · Your DB storage is struggling with low level cached DB data (you can increase innodb pool) or to many physical read IOs. This is a command-line option for the mariadbd & mysqld commands. Type: Problem report Priority: Trivial Reporter: Anton: Assignee: Edgars Melveris: Resolution: Unresolved Votes: Jun 12, 2022 · The mariadb-slow. My problem isn't in graphs, it is related to opening graph page. 32 I have this chart where SWAP usage is shown. 9 Mysql：5. Both are currently only using about 2 GB or ram. stat_table: state of each table: pg. fr aa xq zc zg eg uj sl jn rn