Re: Newbie question

2010-11-14 Thread Tim Robertson
>So updating is okay but Handling deletes is not possible in the current version > of the data unless a new version of the data is written down. Not quite. You can delete a record and it will not show up in scans and gets etc, but physically it will still take up space on the disk until HBase cle

Re: Newbie question

2010-11-14 Thread Gayatri Rao
Hi All, Thank you for the feedback. So to summarize, HBase is doing good for high reads, writes. Update is really writing a new version of the data. So updating is okay but Handling deletes is not possible in the current version of the data unless a new version of the data is written down. Also,

Re: Newbie question

2010-11-14 Thread Ryan Rawson
That is a static snapshot of a particular version of HBase with a particular version of their code (each with various flaws, mistakes, etc, etc). At this moment, Stumbleupon uses HBase behind parts of it's website, doing reads, writes, updates, and so on. Performance is quite good, and we are ver

Re: Newbie question

2010-11-14 Thread Hari Sreekumar
Hi, I read the comparison from this pdf: http://www.brianfrankcooper.net/pubs/ycsb-v4.pdf hari On Mon, Nov 15, 2010 at 4:20 AM, Jonathan Gray wrote: > HBase is well-suited for a high-write workload. > > Hari, I'm not sure what would be different in a database like Cassandra > with respec

RE: Newbie question

2010-11-14 Thread Jonathan Gray
HBase is well-suited for a high-write workload. Hari, I'm not sure what would be different in a database like Cassandra with respect to updates and deletes? In this regard HBase and Cassandra are nearly identical (updates are really just insertions of new versions, deletions are actually tombs