Andrew Dunstan wrote:
Attached is my WIP patch for parallel pg_restore. It's still very rough,
but seems to work.
Anyone who can test this with highend equipment would be helping some.
tried playing with this(on a 22Gb compressed dump using 4 connections)
but it does not seem to work at all for me:
pg_restore: [custom archiver] out of memory
pg_restore: [custom archiver] could not uncompress data: invalid block type
pg_restore: [custom archiver] out of memory
pg_restore: [custom archiver] could not uncompress data: invalid stored
block lengths
pg_restore: [custom archiver] out of memory
pg_restore: [custom archiver] out of memory
pg_restore: [custom archiver] could not uncompress data: invalid
distance too far back
pg_restore: [custom archiver] could not uncompress data: invalid
distances set
pg_restore: [custom archiver] could not uncompress data: invalid code
lengths set
pg_restore: [custom archiver] could not uncompress data: incorrect data
check
pg_restore: [custom archiver] could not uncompress data: invalid code
lengths set
pg_restore: [custom archiver] out of memory
pg_restore: [custom archiver] out of memory
pg_restore: [custom archiver] out of memory
pg_restore: [custom archiver] out of memory
pg_restore: [custom archiver] could not uncompress data: invalid
literal/length code
pg_restore: [custom archiver] could not uncompress data: invalid
literal/length code
pg_restore: [custom archiver] could not uncompress data: invalid block type
each pg_restore process seem to eat a few gigabytes of memory in a few
seconds.
Stefan
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