Thank you Thomas,
I make it work with extra setting --shm-size=1g in my docker run script.
On Wed, Jan 3, 2018 at 12:16 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> On Wed, Jan 3, 2018 at 6:13 PM, Thuc Nguyen Canh
> <thucnguyencanh@gmail.com> wrote:
>> And here is the result from postgres container:
>>
>> mount | grep /dev/shm
>> => shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k)
>
> Bingo. Somehow your container tech is limiting shared memory. That
> error is working as designed. You could figure out how to fix the
> mount options, or you could disable parallelism with
> max_parallel_workers_per_gather = 0.
>
> --
> Thomas Munro
> http://www.enterprisedb.com