gt; -Steve
>
>
>
>
>
> *From:* David Anderson
> *Sent:* Friday, July 17, 2020 6:54 AM
> *To:* Nelson Steven
> *Cc:* user@flink.apache.org
> *Subject:* Re: Backpressure on Window step
>
>
>
> Backpressure is typically caused by something like one of
: user@flink.apache.org
Subject: Re: Backpressure on Window step
Backpressure is typically caused by something like one of these things:
* problems relating to i/o to external services (e.g., enrichment via an API or
database lookup, or a sink)
* data skew (e.g., a hot key)
* under-provisioning, or
Backpressure is typically caused by something like one of these things:
* problems relating to i/o to external services (e.g., enrichment via an
API or database lookup, or a sink)
* data skew (e.g., a hot key)
* under-provisioning, or competition for resources
* spikes in traffic
* timer storms
I
