hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Paul Ambrose <pambr...@mac.com>
Subject Re: Couple of HBase related issues...
Date Tue, 13 Apr 2010 04:09:30 GMT
Sorry about that.  
Grab the new version at: http://www.hbql.com/download.html
Let me know if that does not do the trick.

Cheers,
Paul

On Apr 12, 2010, at 5:00 PM, Paul Ambrose wrote:

> Hi,
> 
> That definitely sounds like an hbql problem.
> I will have a look.
> 
> Paul
> 
> On Apr 12, 2010, at 3:59 PM, Something Something wrote:
> 
>> Sounds like #1 is not HBase issue, but HBql issue.
>> 
>> http://www.hbql.com/xref/org/apache/hadoop/hbase/hbql/impl/MappingManager.html
>> 
>> May be this method should be synchronized:
>> 
>> *public* *void* validatePersistentMetadata() *throws* HBqlException {
>> 
>> 
>> On Mon, Apr 12, 2010 at 2:20 PM, Something Something <
>> mailinglists19@gmail.com> wrote:
>> 
>>> I run into the following two issues related to HBase all the time, and
>>> therefore am wondering if there are any permanent fixes for these:
>>> 
>>> 1) When I start Hadoop & HBase for the first time, and run a single job it
>>> runs successfully; but when I fire 2 (or more) jobs only one of them runs
>>> successfully and the other one fails with exception saying... "table
>>> system_mappings" doesn't exist.  Seems like some type of race condition.
>>> How do I bring up HBase with 'system_mappings' table already built?  Or, how
>>> do I avoid running into this issue?
>>> 
>>> 2) After 30 minutes or so on in-activity, HBase (or may be Zookeeper) stops
>>> working.  I have to restart it.  How do I ensure that it always stays up?
>>> 
>>> Thanks for the help.
>>> 
>>> 
> 


Mime
View raw message