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From "Maxim Muzafarov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-12069) Create cache shared preloader
Date Wed, 14 Aug 2019 09:59:00 GMT
Maxim Muzafarov created IGNITE-12069:
----------------------------------------

             Summary: 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


{{CacheSharedPreloader}} must do the following:
# build the map of partitions and corresponding supplier nodes from which partitions will
be loaded;
# 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;
# run async the eviction indexes for the list of collected partitions (API must be provided
by IGNITE-11075);
# Send a request message to each node one by one with the list of partitions to load;
# Listening for the transmission handler to receive files;
# Run rebuild indexes async over the receiving partitions (API must be provided by IGNITE-11075);
# Run historical rebalance from LWM to HWM collected above (LWM can be read from received
file meta page)


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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