Schema Design: Query by time; more on rows versus columns

2010-12-31 Thread Michael Russo
Hi all, I have a schema design question that I would like to run by the group. Table "A" has a composite row key containing a user identifier and an item identifier. I need to query this table by time, to determine the latest X new or updated rows (on a per-user basis). (This is a "live" query

Re: Read/Write Performance

2010-12-30 Thread Michael Russo
That's great to hear, thanks for sharing your results and configuration. How many concurrent writer processes are you running? Thanks, Michael On Thu, Dec 30, 2010 at 8:51 AM, Wayne wrote: > We finally got our cluster up and running and write performance looks very > good. We are getting susta

Re: Avro Gateway - "Production Quality"

2010-12-27 Thread Michael Russo
re > > worth checking out. > > > > Thanks for sending the patches my way for the Python client. I'll do my > > best to get to some of these updates soon, and would be more than happy > to > > review patches for HBase, Avro, or the Python client on Github (thank

Avro Gateway - "Production Quality"

2010-12-26 Thread Michael Russo
Jeff Hammerbacher stated on Quora [1] that "the Avro gateway is not production quality" and made a reference to the improvements that an upgrade to Avro 1.4 would bring. I would like to understand a little better what this means. I reviewed the Avro changelog [2] for 1.4+, and very quickly scanne

Re: Location of 0.9 REST Documentation?

2010-12-23 Thread Michael Russo
hough. > > Lars > > On Thu, Dec 23, 2010 at 4:32 AM, Michael Russo wrote: > > The 0.20 branch has detailed documentation of the REST interface, > available > > in the source repo here: > > > > > http://svn.apache.org/viewvc/hbase/branches/0.20/src/c

Location of 0.9 REST Documentation?

2010-12-22 Thread Michael Russo
The 0.20 branch has detailed documentation of the REST interface, available in the source repo here: http://svn.apache.org/viewvc/hbase/branches/0.20/src/contrib/stargate/src/java/org/apache/hadoop/hbase/stargate/package.html?view=markup I am having trouble finding the equivalent documentation in