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btellier pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/james-project.git
commit 9e9e93522991e53bd3980e952d2dd8300e9644bc
Author: Benoit Tellier <btell...@linagora.com>
AuthorDate: Tue Jun 18 14:24:59 2019 +0700
JAMES-2794 Avoid calling *block* in doOnNext
Reactor is complaining that block was called in a parallel thread around
4-8%
of the time. Switching the subscription scheduler did not modify this
behaviour.
However, we do not need to actually wait the browse update to be performed
before returning: this can perfectly be a background process.
This actually solves stability issues of
browseAndDequeueShouldCombineWellWhenDifferentSlices
---
.../queue/rabbitmq/view/cassandra/CassandraMailQueueMailDelete.java | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git
a/server/queue/queue-rabbitmq/src/main/java/org/apache/james/queue/rabbitmq/view/cassandra/CassandraMailQueueMailDelete.java
b/server/queue/queue-rabbitmq/src/main/java/org/apache/james/queue/rabbitmq/view/cassandra/CassandraMailQueueMailDelete.java
index 55d563a..b326eb4 100644
---
a/server/queue/queue-rabbitmq/src/main/java/org/apache/james/queue/rabbitmq/view/cassandra/CassandraMailQueueMailDelete.java
+++
b/server/queue/queue-rabbitmq/src/main/java/org/apache/james/queue/rabbitmq/view/cassandra/CassandraMailQueueMailDelete.java
@@ -29,6 +29,7 @@ import org.apache.james.queue.rabbitmq.MailQueueName;
import
org.apache.james.queue.rabbitmq.view.cassandra.configuration.CassandraMailQueueViewConfiguration;
import reactor.core.publisher.Mono;
+import reactor.core.scheduler.Schedulers;
public class CassandraMailQueueMailDelete {
@@ -61,7 +62,8 @@ public class CassandraMailQueueMailDelete {
void updateBrowseStart(MailQueueName mailQueueName) {
findNewBrowseStart(mailQueueName)
.flatMap(newBrowseStart -> updateNewBrowseStart(mailQueueName,
newBrowseStart))
- .block();
+ .subscribeOn(Schedulers.elastic())
+ .subscribe();
}
private void maybeUpdateBrowseStart(MailQueueName mailQueueName) {
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