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multithreaded repair-by-sort code

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parallel read access to IO_CACHE
This commit is contained in:
serg@serg.mysql.com
2002-06-19 23:54:45 +00:00
parent 2874917198
commit 5c83ae3fca
8 changed files with 1255 additions and 497 deletions
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73
include/myisam.h
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@ -314,24 +314,6 @@ typedef struct st_sort_key_blocks { /* Used when sorting */
int inited;
} SORT_KEY_BLOCKS;
struct st_mi_check_param;
typedef struct st_sort_info {
MI_INFO *info;
struct st_mi_check_param *param;
enum data_file_type new_data_file_type;
SORT_KEY_BLOCKS *key_block,*key_block_end;
uint key,find_length,real_key_length;
my_off_t pos,max_pos,filepos,start_recpos,filelength,dupp,buff_length;
ha_rows max_records;
ulonglong unique[MI_MAX_KEY_SEG+1];
my_bool fix_datafile;
char *record,*buff;
void *wordlist, *wordptr;
MI_KEYDEF *keyinfo;
MI_KEYSEG *keyseg;
} SORT_INFO;
typedef struct st_mi_check_param
{
ulonglong auto_increment_value;
@ -354,7 +336,6 @@ typedef struct st_mi_check_param
int tmpfile_createflag;
myf myf_rw;
IO_CACHE read_cache;
SORT_INFO sort_info;
ulonglong unique_count[MI_MAX_KEY_SEG+1];
ha_checksum key_crc[MI_MAX_POSSIBLE_KEY];
ulong rec_per_key_part[MI_MAX_KEY_SEG*MI_MAX_POSSIBLE_KEY];
@ -363,17 +344,42 @@ typedef struct st_mi_check_param
char *op_name;
} MI_CHECK;
typedef struct st_mi_sortinfo {
typedef struct st_sort_info {
MI_INFO *info;
MI_CHECK *param;
enum data_file_type new_data_file_type;
SORT_KEY_BLOCKS *key_block,*key_block_end;
uint kei, total_keys;
my_off_t filelength,dupp,buff_length;
ha_rows max_records;
SORT_INFO *sort_info;
char *tmpdir;
int (*key_cmp)(SORT_INFO *info, const void *, const void *);
int (*key_read)(SORT_INFO *info,void *buff);
int (*key_write)(SORT_INFO *info, const void *buff);
void (*lock_in_memory)(MI_CHECK *info);
uint key_length;
char *buff;
myf myf_rw;
/* sync things*/
uint got_error, threads_running;
pthread_mutex_t mutex;
pthread_cond_t cond;
} SORT_INFO;
typedef struct st_mi_sort_param {
pthread_t thr;
IO_CACHE read_cache;
ulonglong unique[MI_MAX_KEY_SEG+1];
uint key, key_length,real_key_length,sortbuff_size;
uint maxbuffers, keys, find_length, sort_keys_length;
uchar **sort_keys;
void *wordlist, *wordptr;
MI_KEYDEF *keyinfo;
SORT_INFO *sort_info;
IO_CACHE tempfile, tempfile_for_exceptions;
DYNAMIC_ARRAY buffpek;
my_off_t pos,max_pos,filepos,start_recpos;
my_bool fix_datafile;
char *record;
char *tmpdir;
int (*key_cmp)(struct st_mi_sort_param *, const void *, const void *);
int (*key_read)(struct st_mi_sort_param *,void *);
int (*key_write)(struct st_mi_sort_param *, const void *);
void (*lock_in_memory)(MI_CHECK *);
} MI_SORT_PARAM;
/* functions in mi_check */
@ -398,14 +404,17 @@ int flush_blocks(MI_CHECK *param, File file);
void update_auto_increment_key(MI_CHECK *param, MI_INFO *info,
my_bool repair);
int update_state_info(MI_CHECK *param, MI_INFO *info,uint update);
void update_key_parts(MI_KEYDEF *keyinfo, ulong *rec_per_key_part,
ulonglong *unique, ulonglong records);
int filecopy(MI_CHECK *param, File to,File from,my_off_t start,
my_off_t length, const char *type);
int movepoint(MI_INFO *info,byte *record,my_off_t oldpos,
my_off_t newpos, uint prot_key);
int sort_write_record(SORT_INFO *sort_info);
int write_data_suffix(MI_CHECK *param, MI_INFO *info);
int _create_index_by_sort(MI_SORT_PARAM *info,my_bool no_messages,
ulong);
int sort_write_record(MI_SORT_PARAM *sort_param);
int write_data_suffix(SORT_INFO *sort_info, my_bool fix_datafile);
int _create_index_by_sort(MI_SORT_PARAM *info,my_bool no_messages, ulong);
void *_thr_find_all_keys(MI_SORT_PARAM *info);
int _thr_write_keys(MI_SORT_PARAM *sort_param);
int test_if_almost_full(MI_INFO *info);
int recreate_table(MI_CHECK *param, MI_INFO **org_info, char *filename);
void mi_disable_non_unique_index(MI_INFO *info, ha_rows rows);