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From "Dmitriy Pavlov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-7627) Introduce a new page rotation policy to avoid replacement of primary Index pages
Date Mon, 05 Feb 2018 14:51:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-7627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dmitriy Pavlov updated IGNITE-7627:
-----------------------------------
    Description: 
It would be great if we can have a new type of page replacement policy that does not affect
index pages when persistence is on. So, the index pages always will be in-mem and that will
improve an overall system performance for random reads with persistence is on.

For instance, MongoDB works that way. It always keeps all indexes in-mem.

  was:
It would be great if we can have a new type of eviction policy that does not affect index
pages when persistence is on. So, the index pages always will be in-mem and that will improve
an overall system performance for random reads with persistence is on.

For instance, MongoDB works that way. It always keeps all indexes in-mem.


> Introduce a new page rotation policy to avoid replacement of primary Index pages
> --------------------------------------------------------------------------------
>
>                 Key: IGNITE-7627
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7627
>             Project: Ignite
>          Issue Type: Improvement
>          Components: persistence
>            Reporter: Alexey Popov
>            Priority: Major
>
> It would be great if we can have a new type of page replacement policy that does not
affect index pages when persistence is on. So, the index pages always will be in-mem and
that will improve an overall system performance for random reads with persistence is on.
> For instance, MongoDB works that way. It always keeps all indexes in-mem.



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