Zabbix Documentation 4.2

3.04.05.0 (current)| In development:5.2 (devel)| Unsupported:1.82.02.22.43.23.44.24.4Guidelines

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manual:installation:upgrade_notes_420

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manual:installation:upgrade_notes_420 [2019/03/25 08:30]
martins-v more precise wording: preprocessing by proxies
manual:installation:upgrade_notes_420 [2019/04/02 06:39]
sasha removed "Zabbix 4.2.0 is not released yet." note
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 ==== 9 Upgrade notes for 4.2.0 ==== ==== 9 Upgrade notes for 4.2.0 ====
- 
-<note important>​Zabbix 4.2.0 is not released yet.</​note>​ 
  
 These notes are for upgrading from Zabbix 4.0.x to Zabbix 4.2.0. All notes are grouped into: These notes are for upgrading from Zabbix 4.0.x to Zabbix 4.2.0. All notes are grouped into:
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 === Preprocessing support on Zabbix proxy === === Preprocessing support on Zabbix proxy ===
  
-For hosts monitored by proxies, all item (including low-level discovery rules, dependent items) value preprocessing will now be done on the proxy. Given new preprocessing options such as Javascript, extensive validation and throttling options, preprocessing may become a server bottleneck thus preprocessing by proxies offers the necessary scalability. Note that since this is not a configurable setting the affected proxies will require more resources after the upgrade, especially if heavier preprocessing is involved.+For hosts monitored by proxies, all item (including low-level discovery rules, dependent items) value preprocessing will now be done on the proxy. ​ 
 + 
 +Given new preprocessing options such as Javascript, extensive validation and throttling options, preprocessing may become a server bottleneck thus preprocessing by proxies offers the necessary scalability. Note that since this is not a configurable setting the affected proxies will require more resources after the upgrade, especially if heavier preprocessing is involved.
  
 <note warning>​Because of this change, keeping proxies running during the server upgrade process will bring no benefit as during proxy upgrade their old data will be discarded and no new data will be gathered until proxy configuration is synced with server.\\ \\ <note warning>​Because of this change, keeping proxies running during the server upgrade process will bring no benefit as during proxy upgrade their old data will be discarded and no new data will be gathered until proxy configuration is synced with server.\\ \\
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 As the global search page has been moved to MVC, its URL has changed from ''​%%https://​localhost/​zabbix/​search.php?​search=Zabbix%%''​ to ''​%%https://​localhost/​zabbix/​zabbix.php?​action=search&​search=Zabbix%%''​. As the global search page has been moved to MVC, its URL has changed from ''​%%https://​localhost/​zabbix/​search.php?​search=Zabbix%%''​ to ''​%%https://​localhost/​zabbix/​zabbix.php?​action=search&​search=Zabbix%%''​.
 +
 +=== Host sorting in host group map element ===
 +
 +Host sorting if the 'Host group' map option is selected, is now done non-casesensitively.
  
 ==== See also ==== ==== See also ====
  
   * [[:​manual/​installation/​template_changes|Template changes]]   * [[:​manual/​installation/​template_changes|Template changes]]