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Posted to commits@cassandra.apache.org by "Paulo Motta (JIRA)" <ji...@apache.org> on 2017/04/06 21:24:41 UTC
[jira] [Updated] (CASSANDRA-11303) New inbound throughput
parameters for streaming
[ https://issues.apache.org/jira/browse/CASSANDRA-11303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paulo Motta updated CASSANDRA-11303:
------------------------------------
Status: Open (was: Patch Available)
> New inbound throughput parameters for streaming
> -----------------------------------------------
>
> Key: CASSANDRA-11303
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11303
> Project: Cassandra
> Issue Type: New Feature
> Components: Configuration
> Reporter: Satoshi Konno
> Assignee: Satoshi Konno
> Priority: Minor
> Attachments: 11303_inbound_limit_debug_20160419.log, 11303_inbound_nolimit_debug_20160419.log, 11303_inbound_patch_for_trunk_20160419.diff, 11303_inbound_patch_for_trunk_20160525.diff, 11303_inbound_patch_for_trunk_20160704.diff, 200vs40inboundstreamthroughput.png, cassandra_inbound_stream.diff
>
>
> Hi,
> To specify stream throughputs of a node more clearly, I would like to add the following new inbound parameters like existing outbound parameters in the cassandra.yaml.
> - stream_throughput_inbound_megabits_per_sec
> - inter_dc_stream_throughput_outbound_megabits_per_sec
> We use only the existing outbound parameters now, but it is difficult to control the total throughputs of a node. In our production network, some critical alerts occurs when a node exceed the specified total throughput which is the sum of the input and output throughputs.
> In our operation of Cassandra, the alerts occurs during the bootstrap or repair processing when a new node is added. In the worst case, we have to stop the operation of the exceed node.
> I have attached the patch under consideration. I would like to add a new limiter class, StreamInboundRateLimiter, and use the limiter class in StreamDeserializer class. I use Row::dataSize( )to get the input throughput in StreamDeserializer::newPartition(), but I am not sure whether the dataSize() returns the correct data size.
> Can someone please tell me how to do it ?
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