I think it may be had a long time interval between ScanRequest.
Setting the parameter --scanner_ttl_ms(default 60s) larger may solve the
2018-05-17 17:36 GMT+08:00 Saeid Sattari <saeid.satt...@gmail.com>:
> Hi all,
> Lately, I have a critical problem with Kudu cluster (V1.6). For most of
> the queries submitted by Impala (even very simple and light one)
> regularly encountered with the following error. There are 120 datanode in
> my cluster and changed following parameters on datanodes:
> The error:
>> WARNINGS: Unable to advance iterator: Timed out: Scan RPC to
>> 172.18.77.131:7050 timed out after 0.000s (SENT): Not found: Scanner not
> Any hints and tips are appreciated. Thank you in advance.