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From "Maxim Muzafarov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-12069) Create cache shared preloader
Date Wed, 14 Aug 2019 10:01:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-12069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Maxim Muzafarov updated IGNITE-12069:
-------------------------------------
    Ignite Flags:   (was: Docs Required)

> Create cache shared preloader
> -----------------------------
>
>                 Key: IGNITE-12069
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12069
>             Project: Ignite
>          Issue Type: Sub-task
>            Reporter: Maxim Muzafarov
>            Assignee: Pavel Pereslegin
>            Priority: Major
>              Labels: iep-28
>
> {{CacheSharedPreloader}} must do the following:
>  # [1] build the map of partitions and corresponding supplier nodes from which partitions
will be loaded;
>  # [1] switching cache data storage to {{no-op}} and back to original (HWM must be fixed
here for the needs of historical rebalance) under the checkpoint and keep the partition update
counter for each partition;
>  # [2] run async the eviction indexes for the list of collected partitions (API must
be provided by IGNITE-11075);
>  # [2] Send a request message to each node one by one with the list of partitions to
load;
>  # [2] Listening for the transmission handler to receive files;
>  # [2] Run rebuild indexes async over the receiving partitions (API must be provided
by IGNITE-11075);
>  # [1] Run historical rebalance from LWM to HWM collected above (LWM can be read from
received file meta page)
> The points marked with the label {{[1]}} must be done prior to {{[2]}}.
>  
> NOTE. Check the following things:
>  # Rebalancing of MVCC cache groups;
>  # How LWM and HWM will be set for the historical rebalance;



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