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Recent Posts
Closing notes
Unfortunately , we reached the conclusion that HBase is still not stable enough for us to use in production environment. I think it’s a great project , and I...
Bug Update
After a lengthy discussion with St.Ack (on the hbase channel in the mirc) and Jean Daniel about this bug , we currently believe that what we’re seeing is “ …...
Can’t live with it
We assumed that the bug was caused mainly because of the high load rate , and that once the bulk of the data will be in HBase and the load will drop consider...
We’ll try to live with it
As you remember , HBase tends to collapse (Return”NotServingRegionException”) after a few millions of files (Latest crash: 6 million). Since we (want to) bel...
Still unresolved
We’ve been working on the previous bug (last post) for a few days now , but unfortunately nothing is working. We’ve suspected the error might be caused by wr...
First Setback
We’ve tried loading the system with 10,000 , 100,000 and 200,000 files - everything worked perfectly.
Begin Experimenting
Today we started the production-mode experiemnts.
Testing update
We are planning to move on to production soon , and we intend to build a test environment that will resemble the production environment as close as possible.
Hadoop Failover and Failback Solution
As you can see in the previous blog , Hadoop successfully failover , but it fails to failback. Our solution to this problem is this: