Jimmy Yih

@x4m FYI, we're enhancing the `gp_pitr` GPDB 6X extension to add some quality-of-life shortcuts that currently exist in GPDB 7devel. We're making sure that it doesn't interfere with old 1.0...

In the commit message, need to fix `gp_stat_arcrhiver` to `gp_stat_archiver`.

To explain a bit more on why, from Postgres documentation: An unlogged table is automatically truncated after a crash or unclean shutdown. The -i flag to gpstop will send immediate...

More documentation for gpstop would be good. It's already there in the `CREATE TABLE` documentation as: "After a segment instance crash or unclean shutdown, the data for the unlogged table...

From the documentation you posted: > After the successful data access on the table, a full recovery is needed to take care of any other affected relation. It seems you...

This is an amazing feature that I'm very much looking forward to using! As a request/suggestion (if this PR is the right place to do it), would it make sense...

From the documentation: > Note: The UNIX mail utility must be running on the Greenplum Database host and must be configured to allow the Greenplum superuser (gpadmin) to send email....

> It seems that the executable /usr/sbin/crontab by default is not searched inside crontab of gpadmin account. Yes, crontab starts a very minimal shell and does not source the user...

If it's running a shell script, simply adding `export PATH=$PATH:/usr/sbin` before the gpbackup call should be a viable workaround then for this particular customer of yours. As for the `path_to_sendmail`...

Hey, this might be a known limitation of restoring GPDB5 data to GPDB6. It would be good to review the migration documentation located here: https://greenplum.docs.pivotal.io/6-16/install_guide/migrate.html. From the documentation, it lists...