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Posted to issues@ignite.apache.org by "Anton Kalashnikov (Jira)" <ji...@apache.org> on 2020/11/10 09:06:00 UTC
[jira] [Updated] (IGNITE-13684) Rewrite PageIo resolver from static
to explicit dependency
[ https://issues.apache.org/jira/browse/IGNITE-13684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anton Kalashnikov updated IGNITE-13684:
---------------------------------------
Description:
Right now, ignite has a static pageIo resolver which not allow substituting the different implementation if needed. So it is needed to rewrite the current implementation in order of this target.
Changes are:
* static constant for cache group meta page;
* PageStore allocation tracker replaced with a more generic LongConsumer do decouple it from metrics framework;
* PageReadWriteManager added to basically allow having same cache group in different data regions;
* several methods and fields exposed as internally public/protected API;
* several inner classes refactored so that they become static classes;
* PageIOResolver interface created and used to make data structure more flexible;
* InsertLast interface for B+Tree added that will optimize comparisons on inserts. Unused for now;
* All this code doesn't affect existing behavior.
was:Right now, ignite has a static pageIo resolver which not allow substituting the different implementation if needed. So it is needed to rewrite the current implementation in order of this target.
> Rewrite PageIo resolver from static to explicit dependency
> ----------------------------------------------------------
>
> Key: IGNITE-13684
> URL: https://issues.apache.org/jira/browse/IGNITE-13684
> Project: Ignite
> Issue Type: Sub-task
> Reporter: Anton Kalashnikov
> Assignee: Ivan Bessonov
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Right now, ignite has a static pageIo resolver which not allow substituting the different implementation if needed. So it is needed to rewrite the current implementation in order of this target.
> Changes are:
> * static constant for cache group meta page;
> * PageStore allocation tracker replaced with a more generic LongConsumer do decouple it from metrics framework;
> * PageReadWriteManager added to basically allow having same cache group in different data regions;
> * several methods and fields exposed as internally public/protected API;
> * several inner classes refactored so that they become static classes;
> * PageIOResolver interface created and used to make data structure more flexible;
> * InsertLast interface for B+Tree added that will optimize comparisons on inserts. Unused for now;
> * All this code doesn't affect existing behavior.
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