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https://issues.apache.org/jira/browse/IGNITE-18755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Uttsel updated IGNITE-18755:
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Description:
h3. Motivation
In some cases list of data nodes for the distribution zone can be empty. For
example when scale down timer is expired and removed all data nodes. It can
leads to the data loss.
We need a proper solution to this problem as part of the improvement of the
rebalance. But for now, we need to make a temp solution to this problem and not
change the list of data nodes if this will lead to the empty list.
h3. Definition of Done
DistributionZoneManager doesn't save the list of data nodes to meta storage if
it is empty.
was:
h3. Motivation
In some cases list of data nodes for the distribution zone can be empty. For
example when scale down timer is expired and removed all data nodes. It can
leads to the data loss.
We need a proper solution to this problem as part of the improvement of the
rebalance. But for now, we need to make a temp solution to this problem and not
change the list of date nodes if this will lead to the empty list.
h3. Definition of Done
DistributionZoneManager doesn't save the list of date nodes to meta storage if
it is empty.
> Empty data nodes list of a distribution zone.
> ---------------------------------------------
>
> Key: IGNITE-18755
> URL: https://issues.apache.org/jira/browse/IGNITE-18755
> Project: Ignite
> Issue Type: Improvement
> Reporter: Sergey Uttsel
> Priority: Major
> Labels: ignite-3
>
> h3. Motivation
> In some cases list of data nodes for the distribution zone can be empty. For
> example when scale down timer is expired and removed all data nodes. It can
> leads to the data loss.
> We need a proper solution to this problem as part of the improvement of the
> rebalance. But for now, we need to make a temp solution to this problem and
> not change the list of data nodes if this will lead to the empty list.
> h3. Definition of Done
> DistributionZoneManager doesn't save the list of data nodes to meta storage
> if it is empty.
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