Re: [Proposal] Fully WAL logged CREATE DATABASE - No Checkpoints

Robert Haas <robertmhaas@gmail.com> writes:
> WARNING:  problem in alloc set PortalContext: req size > alloc size
> for chunk 0x7f99508911f0 in block 0x7f9950890800
> WARNING:  problem in alloc set PortalContext: bad size 0 for chunk
> 0x7f99508911f0 in block 0x7f9950890800
> WARNING:  problem in alloc set PortalContext: bad single-chunk
> 0x7f9950891208 in block 0x7f9950890800
> WARNING:  problem in alloc set PortalContext: found inconsistent
> memory block 0x7f9950890800
> WARNING:  problem in alloc set PortalContext: req size > alloc size
> for chunk 0x7f99508911f0 in block 0x7f9950890800
> WARNING:  problem in alloc set PortalContext: bad size 0 for chunk
> 0x7f99508911f0 in block 0x7f9950890800
> WARNING:  problem in alloc set PortalContext: bad single-chunk
> 0x7f9950891208 in block 0x7f9950890800
> WARNING:  problem in alloc set PortalContext: found inconsistent
> memory block 0x7f9950890800

This looks like nothing so much as the fallout from something scribbling
past the end of an allocated palloc chunk, or perhaps writing on
already-freed space.  Perhaps running the test case under valgrind
would help to finger the culprit.

            regards, tom lane