Document that BBU's do not allow partial page writes to be safely turned off unless they guarantee that all writes to the BBU arrive in 8kB chunks.
Document that BBU's do not allow partial page writes to be safely turned
off unless they guarantee that all writes to the BBU arrive in 8kB chunks.

Per discussion with Greg Smith

postmind-net/postgres-xl,ovr/postgres-xl,postmind-net/postgres-xl,ovr/postgres-xl,kmjungersen/PostgresXL,50wu/gpdb,xinzweb/gpdb,techdragon/Postgres-XL,Postgres-XL/Postgres-XL,adam8157/gpdb,oberstet/postgres-xl,Postgres-XL/Postgres-XL,ashwinstar/gpdb,jmcatamney/gpdb,pavanvd/postgres-xl,xinzweb/gpdb,50wu/gpdb,greenplum-db/gpdb,tpostgres-projects/tPostgres,lisakowen/gpdb,pavanvd/postgres-xl,lisakowen/gpdb,xinzweb/gpdb,arcivanov/postgres-xl,50wu/gpdb,snaga/postgres-xl,xinzweb/gpdb,yazun/postgres-xl,lisakowen/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,jmcatamney/gpdb,50wu/gpdb,zeroae/postgres-xl,adam8157/gpdb,xinzweb/gpdb,arcivanov/postgres-xl,techdragon/Postgres-XL,lisakowen/gpdb,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,oberstet/postgres-xl,greenplum-db/gpdb,zeroae/postgres-xl,greenplum-db/gpdb,zeroae/postgres-xl,techdragon/Postgres-XL,yazun/postgres-xl,snaga/postgres-xl,yazun/postgres-xl,tpostgres-projects/tPostgres,arcivanov/postgres-xl,pavanvd/postgres-xl,oberstet/postgres-xl,ashwinstar/gpdb,xinzweb/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,kmjungersen/PostgresXL,techdragon/Postgres-XL,jmcatamney/gpdb,techdragon/Postgres-XL,oberstet/postgres-xl,greenplum-db/gpdb,tpostgres-projects/tPostgres,ashwinstar/gpdb,greenplum-db/gpdb,lisakowen/gpdb,ashwinstar/gpdb,snaga/postgres-xl,jmcatamney/gpdb,adam8157/gpdb,postmind-net/postgres-xl,oberstet/postgres-xl,tpostgres-projects/tPostgres,ovr/postgres-xl,ashwinstar/gpdb,50wu/gpdb,pavanvd/postgres-xl,adam8157/gpdb,postmind-net/postgres-xl,jmcatamney/gpdb,greenplum-db/gpdb,50wu/gpdb,xinzweb/gpdb,yazun/postgres-xl,jmcatamney/gpdb,snaga/postgres-xl,arcivanov/postgres-xl,kmjungersen/PostgresXL,tpostgres-projects/tPostgres,greenplum-db/gpdb,Postgres-XL/Postgres-XL,50wu/gpdb,50wu/gpdb,greenplum-db/gpdb,zeroae/postgres-xl,xinzweb/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,kmjungersen/PostgresXL,lisakowen/gpdb,jmcatamney/gpdb,snaga/postgres-xl,ashwinstar/gpdb,adam8157/gpdb,ovr/postgres-xl,adam8157/gpdb,adam8157/gpdb,kmjungersen/PostgresXL,ovr/postgres-xl,postmind-net/postgres-xl,arcivanov/postgres-xl,adam8157/gpdb,zeroae/postgres-xl,yazun/postgres-xl,lisakowen/gpdb