Hi,
About cpu cost, there are several methods:
1. Flink builtin metric: `Status.JVM.CPU.Load` [1]
2. Use `top` command on the target machine which deploys a suspect
TaskManager
3. You could use flame graph to do deeper profiler of a JVM [2].
...
About RPC response, I'm not an expert on HBase, I'm
please let me know how to check Does RPC response and CPU cost
On Mon, Sep 27, 2021 at 1:19 PM JING ZHANG wrote:
> Hi,
> Since there is not enough information, you could first check the back
> pressure status of the job [1], find the task which caused the back
> pressure.
> Then try to find out
Hi,
Since there is not enough information, you could first check the back
pressure status of the job [1], find the task which caused the back
pressure.
Then try to find out why the task processed data slowly, there are many
reasons, for example the following reasons:
(1) Does data skew exist, which
Hi ,
I have a flink real time job which processes user records via topic and
also reading data from hbase acting as a look table . If the look table
does not contain required metadata then it queries the external db via api
. First 1to 2 hours it works fine without issues, later it drops down
dras