On Thu, Mar 8, 2018 at 11:45 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Prabhat Sahu <prabhat.sahu@enterprisedb.com> writes:
>> On Wed, Mar 7, 2018 at 7:51 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>>> That looks like the background worker got killed by the OOM killer. How
>>> much memory do you have in the machine where this occurred?
>
>> I have ran the testcase in my local machine with below configurations:
>> Environment: CentOS 7(64bit)
>> HD : 100GB
>> RAM: 4GB
>> Processor: 4
>
> If you only have 4GB of physical RAM, it hardly seems surprising that
> trying to use 8GB of maintenance_work_mem would draw the wrath of the
> OOM killer.
Yup.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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