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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2020/06/03 09:14:11 UTC
[GitHub] [pulsar] BewareMyPower opened a new issue #7152: Increase partitions of a non-existing topic created multiple non-partitioned topics
BewareMyPower opened a new issue #7152:
URL: https://github.com/apache/pulsar/issues/7152
**Describe the bug**
If I try to increase partitions of a non-existing topic, the method would fail but multiple non-partitioned topics would be created after that.
**To Reproduce**
Assume that we had a standalone Pulsar running. There're no topics at first:
```bash
$ URL_BASE=http://localhost:8080/admin/v2/persistent/public/default
$ curl $URL_BASE; echo
[]
```
Here we use POST method to increase partitions, but the target topic `Foo` doesn't exist. Check topics again, we found there're 3 new topics:
```bash
$ curl $URL_BASE/Foo/partitions -X POST -H 'Content-Type: application/json' -d "3"; echo
{"reason":"Topic is not partitioned topic"}
$ curl $URL_BASE; echo
["persistent://public/default/Foo-partition-0","persistent://public/default/Foo-partition-1","persistent://public/default/Foo-partition-2"]
```
However, it can't be treated as a partitioned topic, so we can't use relative admin APIs to delete it, create a partitioned topic `Foo`, or increase partitions. The only way is to delete each single topic one by one:
```bash
$ curl $URL_BASE/Foo/partitions -X DELETE; echo
{"reason":"Partitioned topic does not exist"}
$ curl $URL_BASE/Foo/partitions -X POST -H 'Content-Type: application/json' -d "5"; echo
{"reason":"Already have non partition topicpersistent://public/default/Foo-partition-0 which contains partition suffix '-partition-' and end with numeric value and end with numeric value smaller than the new number of partition. Update of partitioned topic Foo could cause conflict."}
$ curl $URL_BASE/Foo/partitions -X PUT -H 'Content-Type: application/json' -d "5"; echo
{"reason":"This topic already exists"}
$ curl $URL_BASE/Foo-partition-0 -X DELETE
$ curl $URL_BASE/Foo-partition-1 -X DELETE
$ curl $URL_BASE/Foo-partition-2 -X DELETE
$ curl $URL_BASE; echo
[]
```
**Expected behavior**
When we try to increase partitions of a non-existing topic, no topics should be created. The POST method should affect nothing.
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[GitHub] [pulsar] codelipenghui closed issue #7152: Increase partitions of a non-existing topic created multiple non-partitioned topics
Posted by GitBox <gi...@apache.org>.
codelipenghui closed issue #7152:
URL: https://github.com/apache/pulsar/issues/7152
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[GitHub] [pulsar] aloyszhang commented on issue #7152: Increase partitions of a non-existing topic created multiple non-partitioned topics
Posted by GitBox <gi...@apache.org>.
aloyszhang commented on issue #7152:
URL: https://github.com/apache/pulsar/issues/7152#issuecomment-639255924
Some error with pulsar-admin APIs, It was caused by no validation about non-partitioned topic or partitoined topic before update the partition numbers.
We should add the validation before do the update.
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[GitHub] [pulsar] aloyszhang edited a comment on issue #7152: Increase partitions of a non-existing topic created multiple non-partitioned topics
Posted by GitBox <gi...@apache.org>.
aloyszhang edited a comment on issue #7152:
URL: https://github.com/apache/pulsar/issues/7152#issuecomment-639255924
Same error with pulsar-admin APIs, It was caused by no validation about non-partitioned topic or partitoined topic before update the partition numbers.
We should add the validation before do the update.
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