Re: Performance Difference between Batch Insert and Bulk Load

2014-12-05 Thread Dong Dai
On Dec 5, 2014, at 11:23 AM, Tyler Hobbs ty...@datastax.com wrote: On Fri, Dec 5, 2014 at 1:15 AM, Dong Dai daidon...@gmail.com mailto:daidon...@gmail.com wrote: Sounds great! By the way, will you create a ticket for this, so we can follow the updates? What would the ticket

Re: Performance Difference between Batch Insert and Bulk Load

2014-12-05 Thread Dong Dai
: What progress are you trying to be aware of? All of the features Tyler discussed are implemented and can be used. On Fri, Dec 5, 2014 at 2:41 PM, Dong Dai daidon...@gmail.com mailto:daidon...@gmail.com wrote: On Dec 5, 2014, at 11:23 AM, Tyler Hobbs ty...@datastax.com mailto:ty

Re: Performance Difference between Batch Insert and Bulk Load

2014-12-04 Thread Dong Dai
On Dec 4, 2014, at 11:37 AM, Tyler Hobbs ty...@datastax.com wrote: On Wed, Dec 3, 2014 at 11:02 PM, Dong Dai daidon...@gmail.com mailto:daidon...@gmail.com wrote: 1) except I am using TokenAwarePolicy, the async insert also can not be sent to the right coordinator. Yes

Re: Performance Difference between Batch Insert and Bulk Load

2014-12-04 Thread Dong Dai
On Dec 4, 2014, at 1:46 PM, Tyler Hobbs ty...@datastax.com wrote: On Thu, Dec 4, 2014 at 11:50 AM, Dong Dai daidon...@gmail.com mailto:daidon...@gmail.com wrote: As we already did what coordinators do in client side, why don’t we do one step more: break the UNLOGGED batch statements

Re: Performance Difference between Batch Insert and Bulk Load

2014-12-03 Thread Dong Dai
, 2014, at 9:13 AM, Ryan Svihla rsvi...@datastax.com wrote: On Mon, Dec 1, 2014 at 1:52 PM, Dong Dai daidon...@gmail.com mailto:daidon...@gmail.com wrote: Thanks Ryan, and also thanks for your great blog post. However, this makes me more confused. Mainly about the coordinators. Based

Re: Performance Difference between Batch Insert and Bulk Load

2014-12-01 Thread Dong Dai
: On Sun, Nov 30, 2014 at 8:44 PM, Dong Dai daidon...@gmail.com mailto:daidon...@gmail.com wrote: The question is can I expect a better performance using the BulkLoader this way comparing with using Batch insert? You just asked if writing once (via streaming) is likely to be significantly

Performance Difference between Batch Insert and Bulk Load

2014-11-30 Thread Dong Dai
Hi, all, I have a performance question about the batch insert and bulk load. According to the documents, to import large volume of data into Cassandra, Batch Insert and Bulk Load can both be an option. Using batch insert is pretty straightforwards, but there have not been an ‘official’ way