Function rioSetAutoSync

app/redis-6.2.6/src/rio.c:399–402

Set the file-based rio object to auto-fsync every 'bytes' file written. * By default this is set to zero that means no automatic file sync is * performed. * * This feature is useful in a few contexts since when we rely on OS write * buffers sometimes the OS buffers way too much, resulting in too many * disk I/O concentrated in very little time. When we fsync in an explicit * way instead the

 * disk I/O concentrated in very little time. When we fsync in an explicit
 * way instead the I/O pressure is more distributed across time. */
void rioSetAutoSync(rio *r, off_t bytes) {
    if(r->write != rioFileIO.write) return;
    r->io.file.autosync = bytes;
}

/* --------------------------- Higher level interface --------------------------
 *