# Percolator throughput is not stable
**URL:** https://discuss.elastic.co/t/percolator-throughput-is-not-stable/18667
**Category:** Elasticsearch
**Created:** [July 15, 2014, 2:44am UTC](https://discuss.elastic.co/t/percolator-throughput-is-not-stable/18667 "2014-07-15T02:44:43Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Seungjin\_Lee](https://discuss.elastic.co/u/Seungjin_Lee)
#### Post date: [July 15, 2014, 2:44am UTC](https://discuss.elastic.co/t/percolator-throughput-is-not-stable/18667/1 "2014-07-15T02:44:43Z")
this is the statistic I'm seeing from marvel in my dev cluster.
I run a new process around 11:00 and as you see throughput fluctuates and
eventully stuck at less than 10k/s which is worse than the throughput in
it's early phase.
It seems very weired to me, I looked up resource usage(cpu, mem) nothing
seems problematic.
Can you guess any reason for this?
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 1:15am UTC](https://discuss.elastic.co/t/percolator-throughput-is-not-stable/18667/2 "2017-07-06T01:15:48Z")