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https://issues.apache.org/jira/browse/IGNITE-13684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17229316#comment-17229316
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Anton Kalashnikov commented on IGNITE-13684:
--------------------------------------------
Benchmarks look good:
||Benchmark||master - operation||this branch - operation||diff %||
|tx_put|43333.00|43723.30|0.90%|
|atomic_put_all_bs_10|67685.50|67149.10|-0.79%|
|atomic_put_get|79930.80|78607.00|-1.66%|
|tx_put_get|25010.20|24600.10|-1.64%|
|sql_query|58618.50|59074.10|0.78%|
|atomic_put_random_value|160666.00|157411.00|-2.03%|
|sql_query_put|104990.00|103457.00|-1.46%|
> Prepare PageStore/B+Tree to usage outside of standart lifecycle
> ---------------------------------------------------------------
>
> 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, PageStore and some other classes which responsible for persistent
> too couple with many other dependencies which not allow to use it in
> different initial conditions(ex. defragmentation). So it is needed to
> refactor some places in order to improve this situation.
> 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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