doing explain on queries.
Hope this make sense,
Eric Owhadi
-Original Message-
From: asma zgolli
Sent: Tuesday, March 19, 2019 5:01 PM
To: dev@hbase.apache.org
Subject: Explain plan
External
Hello ,
I am studying logical and execution plans in big data. I'm looking for a way to
get t
Hi Wenxing,
From the use case you describe, you may want to take a look at Trafodion or
EsgynDB (commercial version of Trafodion).
http://trafodion.incubator.apache.org/
Trafodion uses a very mature SQL engine on top of HBASE/HIVE coming with 20
years of IP given away to open source by Hewlett-pa
can pastebin some jstack's
while your scanners are running with the different modes?
-n
On Thu, Oct 15, 2015 at 7:58 AM, Eric Owhadi wrote:
> Hi Hbasers,
>
>
>
> I am experimenting with HBase-9272 (a parallel unordered scanner) to
> provide Trafodion a primitive that can be us
of parallelism to 2, just to be able to compare between ESP
parallelism and thread level parallelism.
Thanks in advance for the help,
Eric Owhadi
back in a patch release if it doesn't break anything and it makes user or
partner life smoother.
Just a suggestion,
St.Ack
On Thu, Sep 10, 2015 at 3:14 PM, Eric Owhadi wrote:
> Not yes, I am waiting our QA validation on the patched trafodion and
> see if we are not finding side effec
apache hbase issue to
add this in?
St.Ack
On Thu, Sep 10, 2015 at 10:21 AM, Eric Owhadi wrote:
> Thanks for pointing me to HBase-1, it is indeed supposed to
> address the very same problem. With the drawback of requiring client
> side involvement, of asynchronous nature. I still
Your proposal
sounds like a good alternative approach as well.
We should add that JIRA to the blog link Stack mentioned.
Jerry
On Sat, Sep 5, 2015 at 9:07 AM, Stack wrote:
> On Fri, Sep 4, 2015 at 5:06 PM, Eric Owhadi wrote:
>
> > OK so to answer the "is it easy to insert th
I get
the Scanner time out exception. Patch can be turn on or off with a new key
in hbase-site.xml...
I will feel better when this will be deprecated :-).
Eric Owhadi
-Original Message-
From: saint@gmail.com [mailto:saint@gmail.com] On Behalf Of Stack
Sent: Friday, August 28, 2015
@gmail.com] On Behalf Of Stack
Sent: Friday, August 28, 2015 6:35 PM
To: HBase Dev List
Subject: Re: Question on hbase.client.scanner.timeout.period
On Fri, Aug 28, 2015 at 11:31 AM, Eric Owhadi wrote:
> That sounds good, but given trafodion needs to work on current and
> future released v
@gmail.com [mailto:saint@gmail.com] On Behalf Of Stack
Sent: Thursday, August 27, 2015 3:55 PM
To: HBase Dev List
Subject: Re: Question on hbase.client.scanner.timeout.period
On Thu, Aug 27, 2015 at 1:39 PM, Eric Owhadi wrote:
> Oops, my bad, the related JIRA was :
> https://issues
, 2015 at 8:03 AM, Eric Owhadi wrote:
> Hello St.Ack,
> Thanks for your pointer, but I had already investigated JIRA
> https://issues.apache.org/jira/browse/HBASE-13090
> Unfortunately, this heartbeat will protect against rpc timeout, not
> server side lease timeout that we are experie
rched, the
hbase.client.scanner.timeout.period issue we are facing.
And yes, we will move to Hbase 1.1, and 1.0 as Cloudera and Hortonworks are
having version mismatch on the next official builds trafodion will support.
So my question is still open?
Best regards,
Eric Owhadi
-Original Message
://issues.apache.org/jira/browse/HBASE-2161 but with no resolution.
Any help understanding the reason of the timeout thrwown client side
instead of an automatic reset would be much appreciated,
Best regards,
Eric Owhadi
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