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From "Anton Vinogradov (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (IGNITE-10663) Implement cache mode allows reads with consistency check and fix
Date Thu, 30 May 2019 12:01:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-10663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851771#comment-16851771
] 

Anton Vinogradov edited comment on IGNITE-10663 at 5/30/19 12:00 PM:
---------------------------------------------------------------------

#PR 5656 

{panel:title=--&gt; Run :: All: Possible Blockers|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Data Structures{color} [[tests 0 TIMEOUT , Exit Code , xmlReportParsingSurefireParsingFailure
|https://ci.ignite.apache.org/viewLog.html?buildId=3988220]]

{color:#d04437}[Check Code Style]{color} [[tests 0 Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=3988223]]

{color:#d04437}Platform .NET (Inspections)*{color} [[tests 0 Failure on metric |https://ci.ignite.apache.org/viewLog.html?buildId=3988227]]

{panel}
[TeamCity *--&gt; Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=3981818&amp;buildTypeId=IgniteTests24Java8_RunAll]


was (Author: ignitetcbot):
{panel:title=--&gt; Run :: All: Possible Blockers|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Data Structures{color} [[tests 0 TIMEOUT , Exit Code , xmlReportParsingSurefireParsingFailure
|https://ci.ignite.apache.org/viewLog.html?buildId=3988220]]

{color:#d04437}[Check Code Style]{color} [[tests 0 Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=3988223]]

{color:#d04437}Platform .NET (Inspections)*{color} [[tests 0 Failure on metric |https://ci.ignite.apache.org/viewLog.html?buildId=3988227]]

{panel}
[TeamCity *--&gt; Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=3981818&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.withReadRepair().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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