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Zookeeper, mail # dev - ZOOKEEPER-962 -- FollowerResyncConcurrencyTest failing frequently


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Re: ZOOKEEPER-962 -- FollowerResyncConcurrencyTest failing frequently
Mahadev Konar 2011-10-28, 06:45
Thanks Pat. Just reviewed.

mahadev

On Thu, Oct 27, 2011 at 11:00 PM, Patrick Hunt <[EMAIL PROTECTED]> wrote:
> I posted some patches to https://issues.apache.org/jira/browse/ZOOKEEPER-1264
>
> Fixes the problem for me (problem was in the test afaict).
>
> If someone reviews the patches I'll commit them.
>
> Patrick
>
> On Thu, Oct 27, 2011 at 9:24 PM, Patrick Hunt <[EMAIL PROTECTED]> wrote:
>> Looks like the 1 second session timeout may be at fault. I'm delving
>> into it and will open a jira.
>>
>> Patrick
>>
>> On Thu, Oct 27, 2011 at 7:40 PM, Camille Fournier <[EMAIL PROTECTED]> wrote:
>>> That is not good... Don't suppose you could debug it a bit, or send logs at
>>> least.
>>>
>>> C
>>>
>>> From my phone
>>> On Oct 27, 2011 8:01 PM, "Patrick Hunt" <[EMAIL PROTECTED]> wrote:
>>>
>>>> My first run on 3.4 branch resulted in:
>>>>
>>>> junit.framework.AssertionFailedError: Should have same number of
>>>> ephemerals in both followers expected:<11741> but was:<14001>
>>>>        at
>>>> org.apache.zookeeper.test.FollowerResyncConcurrencyTest.verifyState(FollowerResyncConcurrencyTest.java:400)
>>>>        at
>>>> org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testResyncBySnapThenDiffAfterFollowerCrashes(FollowerResyncConcurrencyTest.java:196)
>>>>        at
>>>> org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:52)
>>>>
>>>> Patrick
>>>>
>>>> On Thu, Oct 27, 2011 at 4:40 PM, Patrick Hunt <[EMAIL PROTECTED]> wrote:
>>>> > In my CI environment I have some lower powered (virt) hardware,
>>>> > therein I see this test failing frequently:
>>>> >
>>>> > https://issues.apache.org/jira/browse/ZOOKEEPER-962
>>>> > junit.framework.AssertionFailedError: Should have same number of
>>>> > ephemerals in both followers expected:<11241> but was:<14001>
>>>> >        at
>>>> org.apache.zookeeper.test.FollowerResyncConcurrencyTest.verifyState(FollowerResyncConcurrencyTest.java:381)
>>>> >        at
>>>> org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testResyncBySnapThenDiffAfterFollowerCrashes(FollowerResyncConcurrencyTest.java:186)
>>>> >        at
>>>> org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:52)
>>>> >
>>>> > In this test I see all kinds of Thread.sleep calls which makes me
>>>> > suspect that it might be the tests failing due to slow h/w. However
>>>> > while trunk is failing branch 3.3 has not seen this issue. I'm not
>>>> > running testing on branch 3.4 (I'm starting now).
>>>> >
>>>> > I don't see this on apache ZK trunk testing.
>>>> >
>>>> >
>>>> > Thoughts? Could this be false positives from the test, or something
>>>> > more serious?
>>>> >
>>>> > Patrick
>>>> >
>>>>
>>>
>>
>