Why my refresh takes more than 200 milli seconds on average?

Elastic Stack Elasticsearch
1

I have average 220 milliseconds each refresh. It seems very slow. I thought
refresh should be very fast. It flush the buffer to lucent segment and
everything happens in memory. Does IO speed affect refresh speed? I do
have spinning disks.
Thanks,

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2

Refreshing is expensive, depending on number of updated docs / deleted
docs. Why should it be fast? It is not necessarily all in memory, it may
include file close/open operations.

Jörg

On Wed, Nov 19, 2014 at 9:21 PM, Jinyuan Zhou zhou.jinyuan@gmail.com
wrote:

I have average 220 milliseconds each refresh. It seems very slow. I
thought refresh should be very fast. It flush the buffer to lucent segment
and everything happens in memory. Does IO speed affect refresh speed? I do
have spinning disks.
Thanks,

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