li wei yahoo.com> writes:
>
> Thanks you very much, Per!
>
> - Original Message
> From: Per Olesen trifork.com>
> To: "user cassandra.apache.org" cassandra.apache.org>
> Sent: Wed, June 9, 2010 4:02:52 PM
> Subject: Re: Quick h
li wei yahoo.com> writes:
>
> Thanks you very much, Per!
>
> - Original Message
> From: Per Olesen trifork.com>
> To: "user cassandra.apache.org" cassandra.apache.org>
> Sent: Wed, June 9, 2010 4:02:52 PM
> Subject: Re: Quick h
Thanks you very much, Per!
- Original Message
From: Per Olesen
To: "user@cassandra.apache.org"
Sent: Wed, June 9, 2010 4:02:52 PM
Subject: Re: Quick help on Cassandra please: cluster access and performance
On Jun 9, 2010, at 9:47 PM, li wei wrote:
> Thanks a lot.
On Jun 9, 2010, at 9:47 PM, li wei wrote:
> Thanks a lot.
> We are set READ one, WRITE ANY. Is this better than QUORUM in performance.
Yes, but less consistency safe.
> Do you think the cassandra Cluster (with 2 or nodes) should be always
> faster than Single one node in the reality and theo
Olesen
To: "user@cassandra.apache.org"
Sent: Wed, June 9, 2010 3:33:20 PM
Subject: Re: Quick help on Cassandra please: cluster access and performance
> How to set "write and read with QUORUM"?
You set this through each thrift api call you are making through yo
> How to set "write and read with QUORUM"?
You set this through each thrift api call you are making through your java
code. See http://wiki.apache.org/cassandra/API
> They are run physically separate hw (But same since they are VM)
So they share disk.
I think this can have an influence. As I
ject: Re: Quick help on Cassandra please: cluster access and performance
Hi Wei,
> 1) I found this: the 2 node is slower (30%) than one node in both of write
> and select. Is this normal? (In theory, 2 nodes should be faster than one?).
> I monitroing the 2 nodes and found tehy are w
Hi Wei,
> 1) I found this: the 2 node is slower (30%) than one node in both of write
> and select. Is this normal? (In theory, 2 nodes should be faster than one?).
> I monitroing the 2 nodes and found tehy are working and flush often (so, 2
> nodes works)
Which consistency level are you using