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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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28
contrib/pg_upgrade/pg_upgrade.h
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@ -134,8 +134,12 @@ typedef struct
*/
typedef struct
{
char old_dir[MAXPGPATH];
char new_dir[MAXPGPATH];
char old_tablespace[MAXPGPATH];
char new_tablespace[MAXPGPATH];
char old_tablespace_suffix[MAXPGPATH];
char new_tablespace_suffix[MAXPGPATH];
Oid old_db_oid;
Oid new_db_oid;
/*
* old/new relfilenodes might differ for pg_largeobject(_metadata) indexes
@ -276,8 +280,8 @@ typedef struct
const char *progname; /* complete pathname for this program */
char *exec_path; /* full path to my executable */
char *user; /* username for clusters */
char **tablespaces; /* tablespaces */
int num_tablespaces;
char **old_tablespaces; /* tablespaces */
int num_old_tablespaces;
char **libraries; /* loadable libraries */
int num_libraries;
ClusterInfo *running_cluster;
@ -398,9 +402,11 @@ void get_sock_dir(ClusterInfo *cluster, bool live_check);
/* relfilenode.c */
void get_pg_database_relfilenode(ClusterInfo *cluster);
void transfer_all_new_dbs(DbInfoArr *olddb_arr,
DbInfoArr *newdb_arr, char *old_pgdata, char *new_pgdata);
void transfer_all_new_tablespaces(DbInfoArr *old_db_arr,
DbInfoArr *new_db_arr, char *old_pgdata, char *new_pgdata);
void transfer_all_new_dbs(DbInfoArr *old_db_arr,
DbInfoArr *new_db_arr, char *old_pgdata, char *new_pgdata,
char *old_tablespace);
/* tablespace.c */
@ -464,9 +470,11 @@ void old_8_3_invalidate_bpchar_pattern_ops_indexes(ClusterInfo *cluster,
char *old_8_3_create_sequence_script(ClusterInfo *cluster);
/* parallel.c */
void parallel_exec_prog(const char *log_file, const char *opt_log_file,
void parallel_exec_prog(const char *log_file, const char *opt_log_file,
const char *fmt,...)
__attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 4)));
bool reap_child(bool wait_for_child);
void parallel_transfer_all_new_dbs(DbInfoArr *old_db_arr, DbInfoArr *new_db_arr,
char *old_pgdata, char *new_pgdata,
char *old_tablespace);
bool reap_child(bool wait_for_child);