gregs1104/pgbench-tools — pull request #10 by petergeoghegan (2014-05-08 00:51:54+00:00)
Title: Use bigint to represent pg_stat_bgwriter values

Bug fix. The pg_stat_bgwriter system view itself uses bigint to
represent all values. test_bgwriter.buffers_backend was particularly
prone to rejecting the values pgbench-tools wanted to store as being out
of range for type integer.