On Fri, 2020-12-18 at 00:56 +0530, Sreejith P wrote: > We had 1 M x 4 slave server streaming replication using Postgres 10. Was working successfully for long time. > > Suddenly all replication servers got failed and getting following message. > > 2020-12-17 22:24:32 +04 [1587]: [357-1] db=,user=LOG: invalid contrecord length 2722 at AEA/A1FFF9E0. > > Requesting help for identifying root cause. Looks like this problem: https://postgr.es/m/77734732-44A4-4209-8C2F-3AF36C9D4D18%40amazon.com Was there a crash on the primary sever? There is a patch under development at this thread: https://postgr.es/m/CBDDFA01-6E40-46BB-9F98-9340F4379505%40amazon.com Yours, Laurenz Albe