It seems to be very hit and miss... The below is from the machine described in this thread running PostgreSQL 9.4.10:
update 100000 update 120000 update 140000 update 160000 update 180000 Update all Vacuum org.postgresql.util.PSQLException: ERROR: unexpected chunk number 2285 (expected 0) for toast value 187504167 in pg_toast_187504156 at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2455) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2155) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:288) at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:430) at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:356) at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:168) at org.postgresql.jdbc.PgCallableStatement.executeWithFlags(PgCallableStatement.java:78) at org.postgresql.jdbc.PgPreparedStatement.execute(PgPreparedStatement.java:157) at Start.execute(Start.java:118) at Start.main(Start.java:20) ========================================= New attempt - number 2 Inserting the rows Executing 0 Executing 40000 Executing 80000 Executing 120000 Executing 160000 Executing 200000 Thank you for trying :) Best wishes, Harry