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From Bruno Aranda <bara...@apache.org>
Subject Flink Graphire Reporter stops reporting via TCP if network issue
Date Fri, 05 May 2017 11:26:19 GMT
Hi,

We are using the Graphite reporter from Flink 1.2.0 to send the metrics via
TCP. Due to our network configuration we cannot use UDP at the moment.

We have observed that if there is any problem with graphite our the
network, basically, the TCP connection times out or something, the metrics
reporter does not recover. This is easy to reproduce by blocking the port
we are sending the metrics using iptables. If we block the port for more
than a minute or so, the problem will happen. After the port is re-open,
Flink does not continue like before.

Is this a known issue? Googling shows some problems with the
metrics-graphite package that should have been solved already. We have
trying updated metrics-core/graphite to the latest with no success.

Any ideas?

Thanks!

Bruno

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