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From 娄帅 <louis.hust...@gmail.com>
Subject Re: How to monitor and control heavy network traffic for region server
Date Wed, 10 Jun 2015 11:15:22 GMT
any ideas?

2015-06-10 16:01 GMT+08:00 娄帅 <louis.hust.ml@gmail.com>:

> Hi all,
>
> We are using HBASE 0.96 with Hadoop 2.2.0, recently we found there are some
> SCAN operations last for more than 1 hours, which lead to heavy network
> traffic, because some data is not
> stored at local data node and the region is very big, about 100G-500G。
>
> With heavy network traffic, the region server then can not offer service
> cause the NIC is full.
>
> From DBA view point, I want to know if there is some operation for HBase
> to limit the large scan or if there is some flow control for SCAN operation
> and how can we monitor the long SCAN operation。
>

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