Yes, it will have negative impact.
Avoid doing it if you can
Sent from my iPhone
> On Dec 15, 2018, at 12:18 PM, dayu wrote:
>
> Nitan,
> thanks for your reply.
>The new node in different DC is added as same DC, so i mean I use quorum
> or all for three replicate not local quorum.
>
Nitan,
thanks for your reply.
The new node in different DC is added as same DC, so i mean I use quorum or
all for three replicate not local quorum.
does the long latency will block coordinate and affect the performance？
dayu
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dayu
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Dayu,
If you use local quorum it won't impact read and write latencies but there
will be delay in across DC replication; which may cause some application
issues if it is active active. But 2ms is probably negligible to see any
effect.
On Sat, Dec 15, 2018 at 11:57 AM dayu wrote:
> Hi all，
>
Hi all，
I am adding a new node to cassandra，but the new node is at different DC，the
ping latency between them is 2 ms.
I am wondering does the long latency would affect cluster's performance or
thoughput？
Thank!
dayu
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dayu
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