Re: Writting bottleneck in HBase ?

2016-12-03 Thread Ted Yu
I was in China the past 10 days where I didn't have access to gmail. bq. repeat this sequence a thousand times You mean proceeding with the next parameter ? bq. use hashing mechanism to transform this long string How is the hash generated ? The hash prefix should presumably evenly distribute th

Re: Hot Region Server With No Hot Region

2016-12-03 Thread Ted Yu
I took a look at the stack trace. Region server log would give us more detail on the frequency and duration of compactions. Cheers On Sat, Dec 3, 2016 at 7:39 AM, Jeremy Carroll wrote: > I would check compaction, investigate throttling if it's causing high CPU. > > On Sat, Dec 3, 2016 at 6:20

Re: Hot Region Server With No Hot Region

2016-12-03 Thread Jeremy Carroll
I would check compaction, investigate throttling if it's causing high CPU. On Sat, Dec 3, 2016 at 6:20 AM Saad Mufti wrote: > No. > > > Saad > > > On Fri, Dec 2, 2016 at 3:27 PM, Ted Yu wrote: > > > Some how I couldn't access the pastebin (I am in China now). > > Did the region server show

Re: [ANNOUNCE] Apache Phoenix 4.9 released

2016-12-03 Thread Mich Talebzadeh
Many thanks for this announcement. This is a question that I have been seeking verification. Does the new release of 4.9.0 of Phoenix support transactional and ACID compliance on Hbase? In a naïve way can one do what an RDBMS does with a combination of Hbase + Phoenix! FYI, I am not interested o

Re: Hot Region Server With No Hot Region

2016-12-03 Thread Saad Mufti
No. Saad On Fri, Dec 2, 2016 at 3:27 PM, Ted Yu wrote: > Some how I couldn't access the pastebin (I am in China now). > Did the region server showing hotspot host meta ? > Thanks > > On Friday, December 2, 2016 11:53 AM, Saad Mufti > wrote: > > > We're in AWS with D2.4xLarge instanc