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From "Anton Vinogradov (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (IGNITE-10663) Implement cache mode allows reads with consistency check and fix
Date Sat, 25 May 2019 17:13:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-10663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anton Vinogradov updated IGNITE-10663:
--------------------------------------
    Comment: was deleted

(was: {panel:title=--&gt; Run :: All: Possible Blockers|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Platform .NET{color} [[tests 8|https://ci.ignite.apache.org/viewLog.html?buildId=3894167]]
* exe: CacheParityTest.TestCache

{color:#d04437}Platform .NET (Core Linux){color} [[tests 1|https://ci.ignite.apache.org/viewLog.html?buildId=3894168]]
* dll: CacheParityTest.TestCache

{color:#d04437}MVCC PDS 4{color} [[tests 6|https://ci.ignite.apache.org/viewLog.html?buildId=3894193]]
* IgnitePdsMvccTestSuite4: IgniteRebalanceOnCachesStoppingOrDestroyingTest.testDestroySpecificCacheAndCacheGroupSecondGroup
* IgnitePdsMvccTestSuite4: IgniteRebalanceOnCachesStoppingOrDestroyingTest.testStopCachesOnDeactivationSecondGroup

{color:#d04437}[Check Code Style]{color} [[tests 0 Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=3894195]]

{color:#d04437}Thin client: PHP{color} [[tests 104 Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=3894131]]

{panel}
[TeamCity *--&gt; Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=3894196&amp;buildTypeId=IgniteTests24Java8_RunAll])

> Implement cache mode allows reads with consistency check and fix
> ----------------------------------------------------------------
>
>                 Key: IGNITE-10663
>                 URL: https://issues.apache.org/jira/browse/IGNITE-10663
>             Project: Ignite
>          Issue Type: Task
>            Reporter: Anton Vinogradov
>            Assignee: Anton Vinogradov
>            Priority: Major
>              Labels: iep-31
>             Fix For: 2.8
>
>          Time Spent: 10h 10m
>  Remaining Estimate: 0h
>
> The main idea is to provide special "read from cache" mode which will read a value from
primary and all backups and will check that values are the same.
> In case values differ they should be fixed according to the appropriate strategy.
> ToDo list:
> 1) {{cache.withConsistency().get(key)}} should guarantee values will be checked across
the topology and fixed if necessary.
> 2) LWW (Last Write Wins) strategy should be used for validation.
> 3) Since  LWW and any other strategy do not guarantee that the correct value will be
chosen.
> We have to record the event contains all values and the chosen one.



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