Is there a way to replicate root and meta table in HBase?

2012-09-04 Thread Gen Liu
Hi, We are running into a case that if the region server that serves meta table is down, all request will timeouts because region lookup is not available. At this time, master is also not able to update meta table. It seems that regions that serve root and meta are the single point of failure

Re: Is there a way to replicate root and meta table in HBase?

2012-09-04 Thread Stas Maksimov
Just today I saw this mentioned in the docs. They said they deliberately don't replicate those, otherwise it gets very messy. Stas On Tue, Sep 4, 2012 at 10:52 PM, Gen Liu ge...@zynga.com wrote: Hi, We are running into a case that if the region server that serves meta table is down, all

Re: Is there a way to replicate root and meta table in HBase?

2012-09-04 Thread Stack
On Tue, Sep 4, 2012 at 2:52 PM, Gen Liu ge...@zynga.com wrote: We are running into a case that if the region server that serves meta table is down, all request will timeouts because region lookup is not available. Only requests to .META. fail (and most of the time, .META. info is cached so

Re: Is there a way to replicate root and meta table in HBase?

2012-09-04 Thread Gen Liu
On 9/4/12 3:07 PM, Stack st...@duboce.net wrote: On Tue, Sep 4, 2012 at 2:52 PM, Gen Liu ge...@zynga.com wrote: We are running into a case that if the region server that serves meta table is down, all request will timeouts because region lookup is not available. Only requests to .META. fail