Kunal Thakar created MESOS-6596:
-----------------------------------
Summary: Dynamic reservation endpoint returns 409s
Key: MESOS-6596
URL: https://issues.apache.org/jira/browse/MESOS-6596
Project: Mesos
Issue Type: Bug
Components: master
Reporter: Kunal Thakar
The operation to dynamically reserve a host for a framework consistently fails,
but succeeds sometimes.
We are calling the /reserve endpoint on the master with the same payload and it
mostly returns 409, with the occasional success. Pasting the output of two
consecutive /reserve calls:
```
* About to connect() to computexxx-yyy port 5050 (#0)
* Trying 10.184.21.3... connected
* Server auth using Basic with user 'cassandra'
> POST /master/reserve HTTP/1.1
> Authorization: Basic blah
> User-Agent: curl/7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.2j
> zlib/1.2.3.4 libidn/1.23 librtmp/2.3
> Host: computexxx-yyy:5050
> Accept: */*
> Content-Length: 1046
> Content-Type: application/x-www-form-urlencoded
> Expect: 100-continue
>
* Done waiting for 100-continue
< HTTP/1.1 409 Conflict
HTTP/1.1 409 Conflict
< Date: Tue, 15 Nov 2016 23:07:10 GMT
Date: Tue, 15 Nov 2016 23:07:10 GMT
< Content-Type: text/plain; charset=utf-8
Content-Type: text/plain; charset=utf-8
< Content-Length: 58
Content-Length: 58
* HTTP error before end of send, stop sending
<
* Closing connection #0
Invalid RESERVE Operation: does not contain mem(*):120621
```
```
* About to connect() to computexxx-yyy port 5050 (#0)
* Trying 10.184.21.3... connected
* Server auth using Basic with user 'cassandra'
> POST /master/reserve HTTP/1.1
> Authorization: Basic blah
> User-Agent: curl/7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.2j
> zlib/1.2.3.4 libidn/1.23 librtmp/2.3
> Host: computexxx-yyy:5050
> Accept: */*
> Content-Length: 1046
> Content-Type: application/x-www-form-urlencoded
> Expect: 100-continue
>
* Done waiting for 100-continue
< HTTP/1.1 202 Accepted
HTTP/1.1 202 Accepted
< Date: Tue, 15 Nov 2016 23:07:16 GMT
Date: Tue, 15 Nov 2016 23:07:16 GMT
< Content-Length: 0
Content-Length: 0
```
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