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https://issues.apache.org/jira/browse/IGNITE-19532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Lapin updated IGNITE-19532:
-------------------------------------
Description:
h3. Motivation
Let's assume that we have a component named LeaseTracker that locally stores
leases in a map though meta storage updates
{code:java}
public class LeaseTracker implements PlacementDriver {
/** Leases cache. */
private final Map<ReplicationGroupId, Lease> leases;
...
private class UpdateListener implements WatchListener {
@Override
public CompletableFuture<Void> onUpdate(WatchEvent event) {
for (EntryEvent entry : event.entryEvents()) {
...
Lease lease = fromBytes(msEntry.value());
leases.put(grpId, lease);
...
return completedFuture(null);
}
}
...{code}
was:Introduce happens before relation between meta storage safe time local
publication and completion of corresponding meta storage listeners
> Introduce happends before relation between local meta storage safe time
> publication and completion of corresponding meta storage listners
> -----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-19532
> URL: https://issues.apache.org/jira/browse/IGNITE-19532
> Project: Ignite
> Issue Type: Improvement
> Reporter: Alexander Lapin
> Priority: Major
>
> h3. Motivation
> Let's assume that we have a component named LeaseTracker that locally stores
> leases in a map though meta storage updates
> {code:java}
> public class LeaseTracker implements PlacementDriver {
> /** Leases cache. */
> private final Map<ReplicationGroupId, Lease> leases;
> ...
> private class UpdateListener implements WatchListener {
> @Override
> public CompletableFuture<Void> onUpdate(WatchEvent event) {
> for (EntryEvent entry : event.entryEvents()) {
> ...
> Lease lease = fromBytes(msEntry.value());
> leases.put(grpId, lease);
> ...
> return completedFuture(null);
> }
> }
> ...{code}
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