/*
當寫binlog大於8192既io_cache 的大小時，不寫io_cache 直接寫入檔案pagecache
當io_cache 剩餘空間無法寫入當前binlog時，則先把io_cache 裡的內容寫入直接寫入檔案pagecache
*/#0 _my_b_write (info=
0x2d9b248
840>
, buffer=
0x7ffe801f7487
"p", count=
51372
) at /mysys/mf_iocache.c:
1311
#10x000000000181d3f1 in binlog_event_writer:
:write_event_part (this=
0x7fffec493130
, buf_p=
0x7fffec492fb8
, buf_len_p=
0x7fffec492fb4
, event_len_p=
0x7fffec492fb0
) at /sql/binlog.cc:
1221
#20x00000000018101a6 in mysql_bin_log:
:do_write_cache (this=
0x2d9af00
, cache=
0x7ffe8000c380
, writer=
0x7fffec493130
) at /sql/binlog.cc:
7874
#30x00000000018109ba in mysql_bin_log:
:write_cache (this=
0x2d9af00
, thd=
0x7ffe80000bc0
, cache_data=
0x7ffe8000c378
, writer=
0x7fffec493130
) at /sql/binlog.cc:
8112
#40x00000000018020bb in binlog_cache_data:
:flush (this=
0x7ffe8000c378
, thd=
0x7ffe80000bc0
, bytes_written=
0x7fffec4931c8
, wrote_xid=
0x7fffec493207
) at /sql/binlog.cc:
1726
#50x000000000181d0cd in binlog_cache_mngr:
:flush (this=
0x7ffe8000c1c0
, thd=
0x7ffe80000bc0
, bytes_written=
0x7fffec493208
, wrote_xid=
0x7fffec493207
) at /sql/binlog.cc:
971#6
0x0000000001812d8f in mysql_bin_log:
:flush_thread_caches (this=
0x2d9af00
, thd=
0x7ffe80000bc0
) at /sql/binlog.cc:
8910
#70x0000000001812fb1 in mysql_bin_log:
:process_flush_stage_queue (this=
0x2d9af00
, total_bytes_var=
0x7fffec493328
, rotate_var=
0x7fffec493327
, out_queue_var=
0x7fffec493318
) at /sql/binlog.cc:
8973
#80x000000000181453b in mysql_bin_log:
:ordered_commit (this=
0x2d9af00
, thd=
0x7ffe80000bc0
, all=true, skip_commit=false) at /sql/binlog.cc:
9610
#90x0000000001812c06 in mysql_bin_log:
:commit (this=
0x2d9af00
, thd=
0x7ffe80000bc0
, all=true) at /sql/binlog.cc:
8867
#100x0000000000f68674 in ha_commit_trans (thd=
0x7ffe80000bc0
, all=true, ignore_global_read_lock=false) at /sql/handler.cc:
1799
#110x0000000001666df8 in trans_commit (thd=
0x7ffe80000bc0
) at /sql/transaction.cc:
239#12
0x000000000156fc6f in mysql_execute_command (thd=
0x7ffe80000bc0
, first_level=true) at /sql/sql_parse.cc:
4244
#130x00000000015733d9 in mysql_parse (thd=
0x7ffe80000bc0
, parser_state=
0x7fffec495680
) at /sql/sql_parse.cc:
5570
#140x0000000001568a58 in dispatch_command (thd=
0x7ffe80000bc0
, com_data=
0x7fffec495e10
, command=com_query) at /sql/sql_parse.cc:
1484
#150x00000000015678a4 in do_command (thd=
0x7ffe80000bc0
) at /sql/sql_parse.cc:
1025
#160x00000000016976a5 in handle_connection (arg=
0xfd50ca0
) at /sql/conn_handler/connection_handler_per_thread.cc:
306#17
0x0000000001d37250 in pfs_spawn_thread (arg=
0xfcc5240
) at /storage/perfschema/pfs.cc:
2190
#180x00007ffff7bc6e65 in start_thread (
) from /lib64/libpthread.so.
0#19
0x00007ffff660788d in clone (
) from /lib64/libc.so.
6/*每次寫io_cache時，判斷當io_cache 剩餘空間無法寫入當前binlog時*/
#define my_b_write(info,buffer,count) \
((info)->write_pos + (count) <=(info)->write_end ?\
(memcpy((info)->write_pos, (buffer), (size_t)(count)),\
((info)->write_pos+=(count)),0) : \
(*(info)->write_function)((info),(uchar *)(buffer),(count)))
static
void
init_functions
(io_cache* info)
*/
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