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https://issues.apache.org/jira/browse/GEODE-7971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17101402#comment-17101402
]
ASF GitHub Bot commented on GEODE-7971:
---------------------------------------
mivanac commented on a change in pull request #4928:
URL: https://github.com/apache/geode/pull/4928#discussion_r421245781
##########
File path:
geode-core/src/main/java/org/apache/geode/internal/cache/wan/GatewaySenderEventImpl.java
##########
@@ -692,6 +704,17 @@ public int getDSFID() {
@Override
public void toData(DataOutput out,
SerializationContext context) throws IOException {
+ toDataPre_GEODE_1_13_0_0(out, context);
+ boolean hasTransaction = this.transactionId != null;
+ DataSerializer.writeBoolean(hasTransaction, out);
+ if (hasTransaction) {
+ DataSerializer.writeBoolean(this.isLastEventInTransaction, out);
+ context.getSerializer().writeObject(this.transactionId, out);
+ }
+ }
+
+ public void toDataPre_GEODE_1_13_0_0(DataOutput out,
Review comment:
Since creation of 1.13 release is ongoing, I assume that this will go in
1.14 release. Do we need to update this method to toDataPre_GEODE_1_14_0_0
##########
File path:
geode-core/src/main/java/org/apache/geode/internal/cache/wan/GatewaySenderEventImpl.java
##########
@@ -725,6 +748,18 @@ protected void serializeKey(DataOutput out,
@Override
public void fromData(DataInput in,
DeserializationContext context) throws IOException,
ClassNotFoundException {
+ fromDataPre_GEODE_1_13_0_0(in, context);
+ if (version >= Version.GEODE_1_13_0.ordinal()) {
+ boolean hasTransaction = DataSerializer.readBoolean(in);
+ if (hasTransaction) {
+ this.isLastEventInTransaction = DataSerializer.readBoolean(in);
+ this.transactionId = context.getDeserializer().readObject(in);
+ }
+ }
+ }
+
+ public void fromDataPre_GEODE_1_13_0_0(DataInput in, DeserializationContext
context)
Review comment:
Same comment as above. Do we need to update this method to
fromDataPre_GEODE_1_14_0_0?
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> Gateway sender to deliver transaction events atomically to gateway receivers
> ----------------------------------------------------------------------------
>
> Key: GEODE-7971
> URL: https://issues.apache.org/jira/browse/GEODE-7971
> Project: Geode
> Issue Type: Improvement
> Components: wan
> Reporter: Alberto Gomez
> Assignee: Alberto Gomez
> Priority: Major
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The goal of this ticket is to implement the necessary changes in the gateway
> sender to prevent that events belonging to the same transaction are spread
> across different batches. In other words, to ensure that events from the same
> transaction are sent inside the same batch.
> This will be an optional feature on gateway senders to be enabled via a new
> parameter (--group-transaction-events) and will be restricted to serial
> gateway senders with just one dispatcher thread or to parallel gateway
> senders.
> Apart from the above restriction, grouping of events for a transaction inside
> the same batch may only be attained if the regions to which the events belong
> are replicated by the same set of gateway senders with the
> --group-transaction-events flag enabled. If this condition is not met, the
> events will be correctly delivered by the gateway senders but it will not be
> guaranteed that all events will always be sent inside the same batch.
> For more details see:
> [https://cwiki.apache.org/confluence/display/GEODE/Gw+sender+to+deliver+transaction+events+atomically+to+receivers]
>
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