ZABBIX Housekeeper - What You Need To Know

Housekeeper 100% busy or database size growing with every hour. These may be the main problems that make you wonder what a housekeeper actually is, what it does, and are there any ways to improve it. Unfortunately, without fully understanding how it works, it is very easy to make even more harm while trying to fix the problem.
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[@zabbixtraining]

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[@IvarsRuza]

for postgresql U could use pg_repack or offline Vacuum full manualy in each of bloated tables

[@danilodistefanis5990]

Also, would be great if you put up a video about archiving/backing up databases, history etc.

[@atroxes]

Next video: MySQL/MariaDB Table Partitioning ;-)

[@kacemsys]

You are the best Dmitry ! :)

[@danilodistefanis5990]

What’s the difference between history and trends ?

[@zabbixtraining]

History Is raw data. Trends Is aggregated min max avg for 1 hour, that’s why it is much more efficient for disk space while still giving insights

[@dempiseilima4991]

What if the housekeeper's proccess is 100% just for 4-5 minutes/hour, then goes to 0 % ?

[@zabbixtraining]

That’s pretty much ok

[@dempiseilima4991]

@@zabbixtraining What if the time increases to 40 min/hour ?

[@michalroesler]

I have a simple 2 CPU, 4 GB RAM and 70 GB total disk space, virtual private server. I cannot afford for database to grow above 10 or 12GB disk space. I'm using PostgreSQL. What housekeeping periods should I set, to keep my database size below 10 or 12GB ?

[@zabbixtraining]

It's impossible to measure it like that, not knowing your nvps and type of monitored data

[@zaicnupagadi]

Hi, Housekeeper when running is always on 100% for a few hours, causing performance issues. We migrated the database from 5.0 to 6.0 (from MySQL 5.7 to MySQL 8.0) I noticed in the logs folowing entry foe each record: 1662593:20220819:132300.916 query without transaction detected 1662593:20220819:132300.916 query [txnlev:0] [delete from history_uint where itemid=243742 and clock

[@flaviolopes7586]

Hi @Dmitry. Thank You. So..my S3 buckts has been discovered. But my EC2 instances still not discovered. You talked about Tag in these instances. In my case I have 2 tags by intance. Could be this the problem?

[@lptarik]

We are also having some issues with slow queries i see locks in Postgre for that 15min and get no data for 15 mins.We have 40000items even more.

[@2TenOClock2]

Збс. Четко.