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Allow parallel copy/link in pg_upgrade

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This patch implements parallel copying/linking of files by tablespace
using the --jobs option in pg_upgrade.
This commit is contained in:
Bruce Momjian
2013-01-09 08:57:47 -05:00
parent c00dc337b8
commit a89c46f9bc
8 changed files with 256 additions and 73 deletions
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8
contrib/pg_upgrade/check.c
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@ -606,7 +606,7 @@ create_script_for_old_cluster_deletion(char **deletion_script_file_name)
fprintf(script, RMDIR_CMD " %s\n", fix_path_separator(old_cluster.pgdata));
/* delete old cluster's alternate tablespaces */
for (tblnum = 0; tblnum < os_info.num_tablespaces; tblnum++)
for (tblnum = 0; tblnum < os_info.num_old_tablespaces; tblnum++)
{
/*
* Do the old cluster's per-database directories share a directory
@ -621,14 +621,14 @@ create_script_for_old_cluster_deletion(char **deletion_script_file_name)
/* remove PG_VERSION? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
fprintf(script, RM_CMD " %s%s%cPG_VERSION\n",
fix_path_separator(os_info.tablespaces[tblnum]),
fix_path_separator(os_info.old_tablespaces[tblnum]),
fix_path_separator(old_cluster.tablespace_suffix),
PATH_SEPARATOR);
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
fprintf(script, RMDIR_CMD " %s%s%c%d\n",
fix_path_separator(os_info.tablespaces[tblnum]),
fix_path_separator(os_info.old_tablespaces[tblnum]),
fix_path_separator(old_cluster.tablespace_suffix),
PATH_SEPARATOR, old_cluster.dbarr.dbs[dbnum].db_oid);
}
@ -640,7 +640,7 @@ create_script_for_old_cluster_deletion(char **deletion_script_file_name)
* or a version-specific subdirectory.
*/
fprintf(script, RMDIR_CMD " %s%s\n",
fix_path_separator(os_info.tablespaces[tblnum]),
fix_path_separator(os_info.old_tablespaces[tblnum]),
fix_path_separator(old_cluster.tablespace_suffix));
}