On 2018-Jun-08, Miguel Angel Sanchez Sandoval wrote:

> Hi guys, migrate from 8.4 to 9.5, all OK except that 2-3 days pass and the
> database experiences slowness, I execute the linux top command and it shows
> me a postgres user process executing a strange command (2yhdgrfrt63788)
> that I consume a lot of CPU, I see the querys active and encounter select
> fun ('./ 2yhdgrfrt63788') , this did not happen in version 8.4, any help
> would appreciate it.

Hmm, has your database been compromised?  You may have an intruder there --
beware.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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