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Posted to issues@geode.apache.org by "Donal Evans (Jira)" <ji...@apache.org> on 2022/03/29 18:14:00 UTC

[jira] [Updated] (GEODE-10191) BLPOP command does not trigger when the target List is created via a RENAME

     [ https://issues.apache.org/jira/browse/GEODE-10191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Donal Evans updated GEODE-10191:
--------------------------------
    Labels: blocks-1.15.0​  (was: needsTriage)

> BLPOP command does not trigger when the target List is created via a RENAME
> ---------------------------------------------------------------------------
>
>                 Key: GEODE-10191
>                 URL: https://issues.apache.org/jira/browse/GEODE-10191
>             Project: Geode
>          Issue Type: Bug
>          Components: redis
>    Affects Versions: 1.15.0
>            Reporter: Donal Evans
>            Priority: Major
>              Labels: blocks-1.15.0​
>
> BLPOP uses fired events from the LPUSH and RPUSH commands to trigger returning, but it is also possible that a key will be created via RENAME, which does not currently fire any events. The test below passes with open source Redis but fails/hangs with geode-for-redis:
> {code:java}
> @Test
> public void testBLPopWhenValueGetsCreated_withRename() throws Exception {
>   String initialName = "{tag}initial";
>   String changedName = "{tag}changed";
>   jedis.lpush(initialName, "value1", "value2");
>   Future<List<String>> future = executor.submit(() -> jedis.blpop(0, changedName));
>   awaitEventDistributorSize(1);
>   jedis.rename(initialName, changedName);
>   assertThat(future.get()).containsExactly(changedName, "value2");
>   assertThat(jedis.lpop(changedName)).isEqualTo("value1");
> } {code}
> The RENAME command should be modified so that it fires events for the key being created.



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