Add disk rotation idea to WAL todo emails.
Add disk rotation idea to WAL todo emails.

Chibin/gpdb,edespino/gpdb,chrishajas/gpdb,randomtask1155/gpdb,jmcatamney/gpdb,zaksoup/gpdb,lpetrov-pivotal/gpdb,cjcjameson/gpdb,snaga/postgres-xl,lisakowen/gpdb,adam8157/gpdb,adam8157/gpdb,rubikloud/gpdb,ovr/postgres-xl,royc1/gpdb,ahachete/gpdb,kmjungersen/PostgresXL,CraigHarris/gpdb,oberstet/postgres-xl,kaknikhil/gpdb,xuegang/gpdb,pavanvd/postgres-xl,rubikloud/gpdb,kmjungersen/PostgresXL,foyzur/gpdb,edespino/gpdb,yazun/postgres-xl,zeroae/postgres-xl,cjcjameson/gpdb,foyzur/gpdb,xuegang/gpdb,chrishajas/gpdb,CraigHarris/gpdb,techdragon/Postgres-XL,atris/gpdb,arcivanov/postgres-xl,randomtask1155/gpdb,techdragon/Postgres-XL,kmjungersen/PostgresXL,jmcatamney/gpdb,arcivanov/postgres-xl,xinzweb/gpdb,zeroae/postgres-xl,tangp3/gpdb,Quikling/gpdb,techdragon/Postgres-XL,janebeckman/gpdb,lisakowen/gpdb,janebeckman/gpdb,zeroae/postgres-xl,randomtask1155/gpdb,tangp3/gpdb,Quikling/gpdb,atris/gpdb,royc1/gpdb,xuegang/gpdb,atris/gpdb,foyzur/gpdb,snaga/postgres-xl,kmjungersen/PostgresXL,lintzc/gpdb,chrishajas/gpdb,rvs/gpdb,tangp3/gpdb,foyzur/gpdb,0x0FFF/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,janebeckman/gpdb,Postgres-XL/Postgres-XL,pavanvd/postgres-xl,postmind-net/postgres-xl,chrishajas/gpdb,ashwinstar/gpdb,chrishajas/gpdb,atris/gpdb,edespino/gpdb,lisakowen/gpdb,50wu/gpdb,CraigHarris/gpdb,yuanzhao/gpdb,tangp3/gpdb,xinzweb/gpdb,ahachete/gpdb,postmind-net/postgres-xl,adam8157/gpdb,janebeckman/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,lpetrov-pivotal/gpdb,lintzc/gpdb,postmind-net/postgres-xl,lisakowen/gpdb,ahachete/gpdb,xuegang/gpdb,ashwinstar/gpdb,janebeckman/gpdb,tangp3/gpdb,rubikloud/gpdb,Quikling/gpdb,tpostgres-projects/tPostgres,kmjungersen/PostgresXL,kaknikhil/gpdb,Chibin/gpdb,xuegang/gpdb,tpostgres-projects/tPostgres,edespino/gpdb,foyzur/gpdb,Postgres-XL/Postgres-XL,lintzc/gpdb,zaksoup/gpdb,rvs/gpdb,ahachete/gpdb,CraigHarris/gpdb,adam8157/gpdb,randomtask1155/gpdb,royc1/gpdb,xuegang/gpdb,yuanzhao/gpdb,lpetrov-pivotal/gpdb,zaksoup/gpdb,50wu/gpdb,50wu/gpdb,tpostgres-projects/tPostgres,Postgres-XL/Postgres-XL,royc1/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,techdragon/Postgres-XL,Quikling/gpdb,rvs/gpdb,royc1/gpdb,ashwinstar/gpdb,Postgres-XL/Postgres-XL,oberstet/postgres-xl,yazun/postgres-xl,lpetrov-pivotal/gpdb,xuegang/gpdb,Quikling/gpdb,snaga/postgres-xl,lintzc/gpdb,lisakowen/gpdb,edespino/gpdb,zaksoup/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,0x0FFF/gpdb,zaksoup/gpdb,cjcjameson/gpdb,chrishajas/gpdb,janebeckman/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,rubikloud/gpdb,ovr/postgres-xl,Quikling/gpdb,ahachete/gpdb,royc1/gpdb,Quikling/gpdb,lintzc/gpdb,edespino/gpdb,janebeckman/gpdb,lintzc/gpdb,kaknikhil/gpdb,greenplum-db/gpdb,50wu/gpdb,lpetrov-pivotal/gpdb,randomtask1155/gpdb,edespino/gpdb,kaknikhil/gpdb,lintzc/gpdb,zaksoup/gpdb,yuanzhao/gpdb,royc1/gpdb,chrishajas/gpdb,arcivanov/postgres-xl,lintzc/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,foyzur/gpdb,CraigHarris/gpdb,oberstet/postgres-xl,50wu/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,lintzc/gpdb,tangp3/gpdb,50wu/gpdb,atris/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,rvs/gpdb,ovr/postgres-xl,edespino/gpdb,ahachete/gpdb,lpetrov-pivotal/gpdb,greenplum-db/gpdb,xinzweb/gpdb,foyzur/gpdb,xuegang/gpdb,zaksoup/gpdb,CraigHarris/gpdb,greenplum-db/gpdb,0x0FFF/gpdb,yazun/postgres-xl,greenplum-db/gpdb,cjcjameson/gpdb,zeroae/postgres-xl,yuanzhao/gpdb,techdragon/Postgres-XL,randomtask1155/gpdb,chrishajas/gpdb,Quikling/gpdb,rubikloud/gpdb,rvs/gpdb,snaga/postgres-xl,Postgres-XL/Postgres-XL,cjcjameson/gpdb,rvs/gpdb,50wu/gpdb,ashwinstar/gpdb,0x0FFF/gpdb,arcivanov/postgres-xl,lpetrov-pivotal/gpdb,atris/gpdb,kaknikhil/gpdb,greenplum-db/gpdb,xinzweb/gpdb,yuanzhao/gpdb,Chibin/gpdb,xuegang/gpdb,Chibin/gpdb,CraigHarris/gpdb,janebeckman/gpdb,rubikloud/gpdb,yazun/postgres-xl,adam8157/gpdb,arcivanov/postgres-xl,lisakowen/gpdb,yazun/postgres-xl,ovr/postgres-xl,Quikling/gpdb,rvs/gpdb,50wu/gpdb,0x0FFF/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,pavanvd/postgres-xl,janebeckman/gpdb,tpostgres-projects/tPostgres,Quikling/gpdb,royc1/gpdb,tangp3/gpdb,xinzweb/gpdb,kaknikhil/gpdb,adam8157/gpdb,atris/gpdb,0x0FFF/gpdb,oberstet/postgres-xl,Chibin/gpdb,rvs/gpdb,ahachete/gpdb,adam8157/gpdb,edespino/gpdb,jmcatamney/gpdb,adam8157/gpdb,Chibin/gpdb,jmcatamney/gpdb,0x0FFF/gpdb,ashwinstar/gpdb,0x0FFF/gpdb,zeroae/postgres-xl,rvs/gpdb,ahachete/gpdb,Chibin/gpdb,postmind-net/postgres-xl,jmcatamney/gpdb,arcivanov/postgres-xl,Chibin/gpdb,yuanzhao/gpdb,janebeckman/gpdb,tangp3/gpdb,zaksoup/gpdb,kaknikhil/gpdb,rubikloud/gpdb,randomtask1155/gpdb,rvs/gpdb,tpostgres-projects/tPostgres,ovr/postgres-xl,edespino/gpdb,rubikloud/gpdb,foyzur/gpdb,xinzweb/gpdb,oberstet/postgres-xl,cjcjameson/gpdb,atris/gpdb,snaga/postgres-xl,ashwinstar/gpdb,yuanzhao/gpdb,Chibin/gpdb,pavanvd/postgres-xl,Chibin/gpdb,xinzweb/gpdb,lpetrov-pivotal/gpdb,cjcjameson/gpdb,xinzweb/gpdb,kaknikhil/gpdb,lisakowen/gpdb