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Tom Lane ad4295728e Create a new dedicated Postgres process, "wal writer", which exists to write ... and fsync WAL at convenient intervals. For the moment it just tries to offload this work from backends, but soon it will be responsible for guaranteeing a maximum delay before asynchronously-committed transactions will be flushed to disk. This is a portion of Simon Riggs' async-commit patch, committed to CVS separately because a background WAL writer seems like it might be a good idea independently of the async-commit feature. I rebased walwriter.c on bgwriter.c because it seemed like a more appropriate way of handling signals; while the startup/shutdown logic in postmaster.c is more like autovac because we want walwriter to quit before we start the shutdown checkpoint.		19 years ago
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Makefile	Create a new dedicated Postgres process, "wal writer", which exists to write	19 years ago
autovacuum.c	…
bgwriter.c	…
fork_process.c	…
pgarch.c	…
pgstat.c	Remove the pgstat_drop_relation() call from smgr_internal_unlink(), because	19 years ago
postmaster.c	Create a new dedicated Postgres process, "wal writer", which exists to write	19 years ago
syslogger.c	Only use the pipe chunking protocol if we know the syslogger should	19 years ago
walwriter.c	Create a new dedicated Postgres process, "wal writer", which exists to write	19 years ago