Re: idea drive layout - 4 drives + RAID question

2012-11-01 Thread Ran User
eting with C* reads, Memtable flushing, > compacting and repairing on the data volume. > > The only way to be sure is to test both setups. > > Cheers > > - > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > On

Re: idea drive layout - 4 drives + RAID question

2012-10-30 Thread Ran User
s us the advantage we never have to reinstall the node when a > drive crashes. > > Kind regards, > Pieter > > > *From:* Ran User [mailto:ranuse...@gmail.com] > *Sent:* dinsdag 30 oktober 2012 4:33 > *To:* user@cassandra.apache.org > *Subject:* Re: idea drive layou

Re: idea drive layout - 4 drives + RAID question

2012-10-29 Thread Ran User
0 for data. The raid does give you good performance benefit, and it can be > convenient to have the OS on a side drive for configuration ease and better > MTBF. > > -Tupshin > On Oct 29, 2012 8:56 PM, "Ran User" wrote: > >> I was hoping to achieve approx. 2x IO (

Re: idea drive layout - 4 drives + RAID question

2012-10-29 Thread Ran User
an headaches > should one of the drives fail. You can already distribute the > individual Cassandra column families on different drives by just > setting up symlinks to the individual folders. > > 2012/10/30 Ran User : > > For a server with 4 drive slots only, I'm

idea drive layout - 4 drives + RAID question

2012-10-29 Thread Ran User
For a server with 4 drive slots only, I'm thinking: either: - OS (1 drive) - Commit Log (1 drive) - Data (2 drives, software raid 0) vs - OS + Data (3 drives, software raid 0) - Commit Log (1 drive) or something else? also, if I can spare the wasted storage, would RAID 10 for cassandra data

Re: Astyanax InstantiationException when accessing ColumnList

2012-09-12 Thread Ran User
create an issue on > https://github.com/Netflix/astyanax/issues if you get stuck. > > Cheers > > > > - > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > On 12/09/2012, at 2:04 PM, Ran User wrote: > > Oo

Re: Astyanax InstantiationException when accessing ColumnList

2012-09-11 Thread Ran User
Oops, forgot to mention Cassandra version - 1.1.4 On Tue, Sep 11, 2012 at 5:54 AM, Ran User wrote: > Stuck for hours on this one, thanks in advance! > > - Scala 2.9.2 > - Astyanax 1.0.6 (also tried 1.0.5) > - Using CompositeRowKey, CompositeColumnName > - No problem insert