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From Josh Elser <els...@apache.org>
Subject Re: [DISCUSS] OpenTracing in HBase
Date Wed, 29 Jan 2020 18:41:55 GMT
+1

On 1/29/20 3:55 AM, 张铎(Duo Zhang) wrote:
> +1
> 
> Andrew Purtell <apurtell@apache.org> 于2020年1月29日周三 上午9:56写道:
> 
>> +1
>>
>>
>> On Tue, Jan 28, 2020 at 5:48 PM Sean Busbey <busbey@apache.org> wrote:
>>
>>> A feature branch sounds appropriate. If there are no objections I can
>> push
>>> the needed branch for you to target PRs to.
>>>
>>> On Tue, Jan 28, 2020, 15:40 Wei-Chiu Chuang <weichiu@apache.org> wrote:
>>>
>>>> Hi!
>>>>
>>>> I spent the past week working on HBASE-22120
>>>> <https://issues.apache.org/jira/browse/HBASE-22120> (Replace HTrace
>> with
>>>> OpenTracing). I planned to do this awhile back and am pleased to
>> finally
>>>> carved out some time to dedicate to this project.
>>>>
>>>> Here's a scope doc that describes what I plan to do and milestones.
>>>>
>>>>
>>>
>> https://docs.google.com/document/d/1Q1zQKzxxymE4vcOBYElkQopmh2QvvYRBlnDqMEBPsB0/edit?usp=sharing
>>>>
>>>> I now have a proof of concept that:
>>>> (1) replaced every Java HTrace code with OpenTracing/JaegerTracing.
>>>> (2) fixed the trace propagation bug introduced in HBASE-18601 when it
>>>> attempted to update from HTrace 3 to HTrace 4.
>>>> (2) TestOpenTracingHooks (which is modified from TestHTraceHooks)
>> passes,
>>>> so that means at the very least, create table operation works.
>>>>
>>>> Tasks remain to be done:
>>>> (1) more tests to make sure other existing traces works
>>>> (2) migrate HBase shell (in Ruby) and scripts to use OpenTracing
>>>> (3) update docs
>>>> (4) make it easier to support other OpenTracing tracers.
>>>> (5) propagate the traces to other systems such as HDFS and MapReduce.
>>>>
>>>> Now, this work is going to span a few jiras and it touches pretty much
>>>> every part of HBase. Would it make sense to do it in a feature branch?
>>>> Thoughts?
>>>>
>>>> Weichiu
>>>>
>>>
>>
>>
>> --
>> Best regards,
>> Andrew
>>
>> Words like orphans lost among the crosstalk, meaning torn from truth's
>> decrepit hands
>>     - A23, Crosstalk
>>
> 

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