: Jack Krupansky [mailto:jack.krupan...@gmail.com]
Sent: 04 December 2015 16:46
To: user@cassandra.apache.org
Subject: Re: cassandra reads are unbalanced
Thanks for the elaboration. A few more questions...
Is there only a single thread in each client or are there multiple threads
doing reading in
>
> We monitor the number of reads / writes of every table via the cassandra
> JMX metrics. (cassandra.db.read_count)
>
> …
>
> ------
>
> We can only monitor in 1 hour moving window
>
>
>
>
>
>
>
>
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> Maybe the other two nodes
casionally has net
connectivity issues
Unlikely seems its AWS
From: Jack Krupansky [mailto:jack.krupan...@gmail.com]
Sent: 03 December 2015 16:11
To: user@cassandra.apache.org
Subject: Re: cassandra reads are unbalanced
How many clients do you have performing reads?
Is your load balance
om]
> *Sent:* 02 December 2015 16:27
>
> *To:* user@cassandra.apache.org
> *Subject:* Re: cassandra reads are unbalanced
>
>
>
> If you're using the Java driver with LOCAL_ONE and the default load
> balancing strategy (TokenAware wrapped on DCAwareRoundRobin), the
> dri
: DuyHai Doan [mailto:doanduy...@gmail.com]
Sent: 02 December 2015 16:27
To: user@cassandra.apache.org
Subject: Re: cassandra reads are unbalanced
If you're using the Java driver with LOCAL_ONE and the default load balancing
strategy (TokenAware wrapped on DCAwareRoundRobin), the driver
ode 1 (DC2) = 2.06k (seeder)
>
> Node 2 (DC2) = 1.38k
>
> Node 3 (DC2) = 1.43k
>
>
>
>
>
> *From:* DuyHai Doan [mailto:doanduy...@gmail.com]
> *Sent:* 02 December 2015 14:22
> *To:* user@cassandra.apache.org
> *Subject:* Re: cassandra reads are unbalanced
December 2015 14:22
To: user@cassandra.apache.org
Subject: Re: cassandra reads are unbalanced
Which Consistency level do you use for reads ? ONE ? Are you reading from only
DC1 or from both DC ?
What is the LoadBalancingStrategy you have configured for your driver ?
TokenAware wrapped on
Which Consistency level do you use for reads ? ONE ? Are you reading from
only DC1 or from both DC ?
What is the LoadBalancingStrategy you have configured for your driver ?
TokenAware wrapped on DCAwareRoundRobin ?
On Wed, Dec 2, 2015 at 3:36 PM, Walsh, Stephen
wrote:
> Hey all,
>
>
>
> Tha
