Hi Mike,
You are right. For rpc throttling, definitely it is retryable. For storage
quota, I think it will be fail faster (non-retryable).
We probably need to separate these two types of exceptions, I will do some
more research and follow up.
Thanks,
Huaxiang
> On Feb 7, 2018, at 9:16 AM, Mike Drob <[email protected]> wrote:
>
> I think, philosophically, there can be two kinds of QEE -
>
> For throttling, we can retry. The quota is a temporal quota - you have done
> too many operations this minute, please try again next minute and
> everything will work.
> For storage, we shouldn't retry. The quota is a fixed quote - you have
> exceeded your allotted disk space, please do not try again until you have
> remedied the situation.
>
> Our current usage conflates the two, sometimes it is correct, sometimes not.
>
> On Wed, Feb 7, 2018 at 11:00 AM, Huaxiang Sun <[email protected]> wrote:
>
>> Hi Stack,
>>
>> I run into a case that a mapreduce job in hive cannot finish because
>> it runs into a QEE.
>> I need to look into the hive mr task to see if QEE is not handled
>> correctly in hbase code or in hive code.
>>
>> I am thinking that if QEE is a retryable exception, then it should be
>> taken care of by the hbase code.
>> I will check more and report back.
>>
>> Thanks,
>> Huaxiang
>>
>>> On Feb 7, 2018, at 8:23 AM, Stack <[email protected]> wrote:
>>>
>>> QEE being a DNRIOE seems right on the face of it.
>>>
>>> But if throttling, a DNRIOE is inappropriate. Where you seeing a QEE in a
>>> throttling scenario Huaxiang?
>>>
>>> Thanks,
>>> S
>>>
>>>
>>> On Tue, Feb 6, 2018 at 4:56 PM, Huaxiang Sun <[email protected]> wrote:
>>>
>>>> Hi HBase devs,
>>>>
>>>> I found that QuotaExceededException is a DoNotRetryIOException,
>> which
>>>> is a bit strange from user’s point of view.
>>>> For rpc throttling, the exception is retryable and it tells app to
>>>> slow down and retry later.
>>>>
>>>> Any thoughts?
>>>>
>>>> Thanks,
>>>> Huaxiang
>>
>>