{"id":572,"date":"2014-04-01T16:53:44","date_gmt":"2014-04-01T08:53:44","guid":{"rendered":"http:\/\/www.gpfeng.com\/?p=572"},"modified":"2014-04-01T22:37:38","modified_gmt":"2014-04-01T14:37:38","slug":"myisam%e8%a1%a8%e4%b8%80%e4%be%8b%e6%9f%a5%e8%af%a2%e6%80%a7%e8%83%bd%e9%97%ae%e9%a2%98%e6%8e%92%e6%9f%a5","status":"publish","type":"post","link":"http:\/\/www.gpfeng.com\/?p=572","title":{"rendered":"MyISAM\u8868\u4e00\u4f8b\u67e5\u8be2\u6027\u80fd\u95ee\u9898\u6392\u67e5"},"content":{"rendered":"<h3>\u95ee\u9898\u80cc\u666f<\/h3>\n<p>\u7ebf\u4e0a\u76f8\u540c\u7ed3\u6784\u7684\u4e24\u4e2aMyISAM\u8868\uff0c\u6570\u636e\u91cf\u5dee\u4e0d\u591a\uff0c\u6267\u884c\u7684SQL\u67e5\u8be2\u8ba1\u5212\u57fa\u672c\u4e00\u81f4\uff0c\u4f46\u662f\u6267\u884c\u65f6\u95f4\u5374\u76f8\u5dee\u5f88\u5927<\/p>\n<pre lang=\"mysql\">\r\nmysql> select * from auction_info_d__201402 where unit_id=7016 and day='2014-03-27';\r\nEmpty set (0.31 sec)\r\nmysql> select * from auction_info_d__201403 where unit_id=7016 and day='2013-03-27';\r\nEmpty set (19.81 sec)\r\n<\/pre>\n<p>MySQL\u7248\u672c\uff1a<\/p>\n<pre lang=\"mysql\">\r\nmysql> select @@version;\r\n+------------+\r\n| @@version  |\r\n+------------+\r\n| 5.1.48-log |\r\n+------------+\r\n1 row in set (0.00 sec)\r\n<\/pre>\n<p><!--more--><br \/>\n\u67e5\u8be2\u8ba1\u5212\u57fa\u672c\u4e00\u6837<\/p>\n<pre lang=\"mysql\">\r\nmysql> explain select * from auction_info_d__201402 where unit_id=7016 and day='2014-03-27';\r\n+----+-------------+-----------------------------+------+---------------+---------+---------+-------+--------+-------------+\r\n| id | select_type | table                       | type | possible_keys | key     | key_len | ref   | rows   | Extra       |\r\n+----+-------------+-----------------------------+------+---------------+---------+---------+-------+--------+-------------+\r\n|  1 | SIMPLE      | auction_info_d__201402      | ref  | PRIMARY       | PRIMARY | 4       | const | 326584 | Using where |\r\n+----+-------------+-----------------------------+------+---------------+---------+---------+-------+--------+-------------+\r\n1 row in set (0.00 sec)\r\n\r\nmysql> explain select * from auction_info_d__201403 where unit_id=7016 and day='2013-03-27';\r\n+----+-------------+-----------------------------+------+---------------+---------+---------+-------+--------+-------------+\r\n| id | select_type | table                       | type | possible_keys | key     | key_len | ref   | rows   | Extra       |\r\n+----+-------------+-----------------------------+------+---------------+---------+---------+-------+--------+-------------+\r\n|  1 | SIMPLE      | auction_info_d__201403      | ref  | PRIMARY       | PRIMARY | 4       | const | 224574 | Using where |\r\n+----+-------------+-----------------------------+------+---------------+---------+---------+-------+--------+-------------+\r\n1 row in set (0.00 sec)\r\n<\/pre>\n<h3>\u6392\u67e5\u8fc7\u7a0b<\/h3>\n<p>\u8fd9\u4e24\u4e2a\u67e5\u8be2\u90fd\u662f\u4f7f\u7528primary key(\u53ea\u6709\u4e00\u4e2a\u7d22\u5f15\uff1aPRIMARY KEY (`unit_id`,`aucid`,`day`))\u4e2d\u7684unit_id\u67e5\u51fa\u6570\u636e\uff0c\u7136\u540e\u91c7\u7528day\u8fdb\u884c\u8fc7\u6ee4\uff0c\u56e0\u4e3aauction_info_d__201402\u4fdd\u5b58\u7684\u662f2\u6708\u4efd\u7684\u6570\u636e\uff0c\u800cauction_info_d__201403\u662f3\u6708\u4efd\u7684\u6570\u636e\uff0c\u56e0\u6b64\u4e24\u4e2aselect\u547d\u4e2d\u7684\u6570\u636e\u96c6\u90fd\u5e94\u8be5\u4e3a\u7a7a<\/p>\n<pre lang=\"mysql\">\r\nmysql> select min(day) as mind, max(day) as maxd from auction_info_d__201402 where unit_id=7016;\r\n+------------+------------+\r\n| mind       | maxd       |\r\n+------------+------------+\r\n| 2014-02-01 | 2014-02-28 |\r\n+------------+------------+\r\n1 row in set (0.14 sec)\r\n\r\nmysql> select min(day) as mind, max(day) as maxd from auction_info_d__201403 where unit_id=7016; \r\n+------------+------------+\r\n| mind       | maxd       |\r\n+------------+------------+\r\n| 2014-03-01 | 2014-03-31 |\r\n+------------+------------+\r\n1 row in set (0.11 sec)\r\n<\/pre>\n<p>\u4eceexplain\u4e2d\u53ef\u4ee5\u770b\u51fa\u4e24\u4e2aselect\u6839\u636eunit_id\u6761\u4ef6\u8fc7\u6ee4\u6570\u636e\u91cf\u76f8\u5dee\u4e0d\u5927\uff0c\u5e94\u8be5\u4e0d\u81f3\u4e8e\u6027\u80fd\u76f8\u5dee\u8fd9\u4e48\u5927\uff0c\u9996\u5148\u67e5\u8be2\u6570\u636e\u91cf\u5927\u5c0f\u548cMyISAM\u76f8\u5173\u914d\u7f6e\uff1a<\/p>\n<pre lang=\"shell\">\r\n$ ll auction_info_d__201402.*\r\n-rw-rw---- 1 mysql dba      10379 Feb  2 09:47 auction_info_d__201402.frm\r\n-rw-rw---- 1 mysql dba 3845544846 Mar  1 06:01 auction_info_d__201402.MYD\r\n-rw-rw---- 1 mysql dba  691238912 Mar  1 06:13 auction_info_d__201402.MYI\r\n$ ll auction_info_d__201403.*\r\n-rw-rw---- 1 mysql dba      10379 Mar  2 05:50 auction_info_d__201403.frm\r\n-rw-rw---- 1 mysql dba 4325708816 Apr  1 06:06 auction_info_d__201403.MYD\r\n-rw-rw---- 1 mysql dba  859683840 Apr  1 10:00 auction_info_d__201403.MYI\r\n<\/pre>\n<p>MyISAM key_buffer_size:<\/p>\n<pre lang=\"mysql\">\r\nmysql> show global variables like '%key_buffer%';\r\n+-----------------+-----------+\r\n| Variable_name   | Value     |\r\n+-----------------+-----------+\r\n| key_buffer_size | 104857600 |\r\n+-----------------+-----------+\r\n1 row in set (0.00 sec)\r\n<\/pre>\n<p>\u53ef\u4ee5\u770b\u51fakey_buffer_size\u7ea6100M\u7684\u6837\u5b50\uff0cauction_info_d__201402\u548cauction_info_d__201403\u7684\u7d22\u5f15\u6587\u4ef6\u90fd\u5927\u4e8e600M\uff0ckey_buffer_size\u8bbe\u7f6e\u5f97\u592a\u5c0f\u4e86\uff0c\u8c03\u5927\u5e94\u8be5\u53ef\u4ee5\u589e\u52a0\u6027\u80fd\uff0c\u4f46\u662f\u8fd9\u4e5f\u65e0\u6cd5\u89e3\u91ca\u4e3a\u4ec0\u4e48auction_info_d__201402\u4e0a\u7684\u67e5\u8be2\u8fdc\u8fdc\u5feb\u4e8eauction_info_d__201403\u4e0a\u7684\u67e5\u8be2\uff0c\u56e0\u6b64\u5c1d\u8bd5\u4f7f\u7528profile\u5bfb\u627e\u539f\u56e0\uff1a<\/p>\n<pre lang=\"mysql\">\r\nmysql> show profile all for query 1;\r\n+--------------------------------+----------+----------+------------+-------------------+---------------------+--------------+---------------+---------------+-------------------+-------------------+-------------------+-------+------------------+---------------+-------------+\r\n| Status                         | Duration | CPU_user | CPU_system | Context_voluntary | Context_involuntary | Block_ops_in | Block_ops_out | Messages_sent | Messages_received | Page_faults_major | Page_faults_minor | Swaps | Source_function  | Source_file   | Source_line |\r\n+--------------------------------+----------+----------+------------+-------------------+---------------------+--------------+---------------+---------------+-------------------+-------------------+-------------------+-------+------------------+---------------+-------------+\r\n| starting                       | 0.000071 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | NULL             | NULL          |        NULL |\r\n| checking query cache for query | 0.000048 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_cache.cc  |        1446 |\r\n| Opening tables                 | 0.000517 | 0.000000 |   0.000000 |                 1 |                   0 |          136 |             0 |             0 |                 0 |                 2 |                 1 |     0 | unknown function | sql_base.cc   |        4517 |\r\n| System lock                    | 0.000034 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | lock.cc       |         258 |\r\n| Table lock                     | 0.000035 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | lock.cc       |         269 |\r\n| init                           | 0.000082 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 2 |     0 | unknown function | sql_select.cc |        2484 |\r\n| optimizing                     | 0.000027 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |         820 |\r\n| statistics                     | 0.000079 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 4 |     0 | unknown function | sql_select.cc |        1011 |\r\n| preparing                      | 0.000031 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |        1033 |\r\n| executing                      | 0.000020 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |        1755 |\r\n| Sending data                   | 0.312744 | 0.000000 |   0.000000 |               237 |                   3 |         2112 |             0 |             0 |                 0 |               115 |               347 |     0 | unknown function | sql_select.cc |        2309 |\r\n| end                            | 0.000072 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |        2530 |\r\n| query end                      | 0.000022 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_parse.cc  |        4986 |\r\n| freeing items                  | 0.000060 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_parse.cc  |        6012 |\r\n| logging slow query             | 0.000021 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_parse.cc  |        1687 |\r\n| cleaning up                    | 0.000023 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_parse.cc  |        1655 |\r\n+--------------------------------+----------+----------+------------+-------------------+---------------------+--------------+---------------+---------------+-------------------+-------------------+-------------------+-------+------------------+---------------+-------------+\r\n16 rows in set (0.00 sec)\r\n\r\nmysql> show profile all for query 2;\r\n+--------------------------------+-----------+----------+------------+-------------------+---------------------+--------------+---------------+---------------+-------------------+-------------------+-------------------+-------+------------------+---------------+-------------+\r\n| Status                         | Duration  | CPU_user | CPU_system | Context_voluntary | Context_involuntary | Block_ops_in | Block_ops_out | Messages_sent | Messages_received | Page_faults_major | Page_faults_minor | Swaps | Source_function  | Source_file   | Source_line |\r\n+--------------------------------+-----------+----------+------------+-------------------+---------------------+--------------+---------------+---------------+-------------------+-------------------+-------------------+-------+------------------+---------------+-------------+\r\n| starting                       |  0.000070 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | NULL             | NULL          |        NULL |\r\n| checking query cache for query |  0.000041 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_cache.cc  |        1446 |\r\n| Opening tables                 |  0.000070 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 2 |     0 | unknown function | sql_base.cc   |        4517 |\r\n| System lock                    |  0.000022 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | lock.cc       |         258 |\r\n| Table lock                     |  0.000028 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | lock.cc       |         269 |\r\n| init                           |  0.000046 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |        2484 |\r\n| optimizing                     |  0.000027 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |         820 |\r\n| statistics                     |  0.000072 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 1 |     0 | unknown function | sql_select.cc |        1011 |\r\n| preparing                      |  0.000030 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |        1033 |\r\n| executing                      |  0.000021 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |        1755 |\r\n| Sending data                   | 19.815528 | 0.000000 |   0.000000 |             74035 |                 371 |       601616 |           736 |             0 |                 0 |               221 |              6291 |     0 | unknown function | sql_select.cc |        2309 |\r\n| end                            |  0.000062 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_select.cc |        2530 |\r\n| query end                      |  0.000022 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_parse.cc  |        4986 |\r\n| freeing items                  |  0.000048 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_parse.cc  |        6012 |\r\n| logging slow query             |  0.000021 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_parse.cc  |        1687 |\r\n| logging slow query             |  0.000551 | 0.000000 |   0.000000 |                 2 |                   0 |           80 |             8 |             0 |                 0 |                 1 |                 0 |     0 | unknown function | sql_parse.cc  |        1697 |\r\n| cleaning up                    |  0.000026 | 0.000000 |   0.000000 |                 0 |                   0 |            0 |             0 |             0 |                 0 |                 0 |                 0 |     0 | unknown function | sql_parse.cc  |        1655 |\r\n+--------------------------------+-----------+----------+------------+-------------------+---------------------+--------------+---------------+---------------+-------------------+-------------------+-------------------+-------+------------------+---------------+-------------+\r\n17 rows in set (0.00 sec)\r\n<\/pre>\n<p>\u6709\u4e86\u4e00\u4e9b\u53d1\u73b0\uff1a\u6162\u67e5\u8be2\u5bf9\u5e94\u7684profile\u4e2dSending result\u9636\u6bb5context switch\u548cpage fault\u6bd4\u8f83\u5f02\u5e38\uff0c\u95ee\u9898\u539f\u56e0\u9010\u6e10\u660e\u663e\uff1a\u6162\u67e5\u8be2\u4ea7\u751f\u4e86\u66f4\u591a\u7684page\u7f6e\u6362\uff0cpage\u7f6e\u6362\u6d88\u8017\u4e86\u5927\u91cf\u65f6\u95f4\uff0c\u5bfc\u81f4cpu context switch\u6b21\u6570\u53d8\u591a\uff0c\u8fd9\u4e2a\u4e3b\u8981\u662f\u56e0\u4e3akey_buffer_size\u8bbe\u7f6e\u5f97\u592a\u5c0f\u5f15\u8d77\u7684\uff0c\u4f46\u662f\u8fd9\u4e2a\u4e5f\u540c\u6837\u65e0\u6cd5\u89e3\u91ca\u4e3a\u4ec0\u4e48\u53e6\u5916\u4e00\u4e2a\u67e5\u8be2\u6ca1\u6709\u4ea7\u751f\u540c\u6837\u7684\u95ee\u9898<\/p>\n<p>\u56e0\u6b64\u8be2\u95ee\u5e94\u7528\u5f00\u53d1\u4eba\u5458\u4e1a\u52a1\u573a\u666f\uff0c\u88ab\u544a\u77e5auction_info_d__201402\u662f\u5386\u53f2\u6570\u636e\uff0c\u4e0d\u4f1a\u66f4\u65b0\uff0cauction_info_d__201403\u76ee\u524d\u6bcf\u5929\u51cc\u6668\u90fd\u4f1aload\u4e00\u6b21\u5f53\u5929\u6570\u636e\u8fdb\u53bb\uff0c\u7ebf\u4e0a\u5176\u5b83\u65f6\u95f4\u53ea\u6709select\u64cd\u4f5c\uff0c\u731c\u60f3load\u5bfc\u81f4\u4e86\u7d22\u5f15\u6587\u4ef6\u788e\u7247\u5316\uff0c\u4ece\u800c\u4f7f\u5f97\u968f\u673aIO\u53d8\u591a\uff1a<\/p>\n<pre lang=\"mysql\">\r\nmysql> show status like 'key_read%';\r\n+-------------------+----------+\r\n| Variable_name     | Value    |\r\n+-------------------+----------+\r\n| Key_read_requests | 19653701 |\r\n| Key_reads         | 337870   |\r\n+-------------------+----------+\r\n2 rows in set (0.00 sec)\r\n\r\nmysql> select * from auction_info_d__201402 where unit_id=7016 and day='2014-03-27';\r\nEmpty set (0.32 sec)\r\n\r\nmysql> show status like 'key_read%';\r\n+-------------------+----------+\r\n| Variable_name     | Value    |\r\n+-------------------+----------+\r\n| Key_read_requests | 19705651 |\r\n| Key_reads         | 338072   |\r\n+-------------------+----------+\r\n2 rows in set (0.00 sec)\r\n\r\nmysql> select * from auction_info_d__201403 where unit_id=7016 and day='2013-03-27';\r\nEmpty set (19.81 sec)\r\n\r\nmysql> show status like 'key_read%';\r\n+-------------------+----------+\r\n| Variable_name     | Value    |\r\n+-------------------+----------+\r\n| Key_read_requests | 19831609 |\r\n| Key_reads         | 340363   |\r\n+-------------------+----------+\r\n2 rows in set (0.00 sec)\r\n<\/pre>\n<p>\u5bf9\u6bd4\u53d1\u73b0\uff1a<br \/>\n1. auction_info_d__201402(\u7b80\u79f002)\u4e0a\u7684\u67e5\u8be2key_reads\u53ea\u589e\u52a0\u4e862\uff0c\u8bf4\u660e\u90fd\u5728\u5185\u5b58\u4e2d\u547d\u4e2d\u4e86\uff0c\u800cauction_info_d__201403(\u7b80\u79f003)\u4e0a\u67e5\u8be2\u8fd9\u4e2a\u589e\u91cf\u662f12k\uff0ccache\u51fa\u73b0\u5927\u91cfmiss\u9700\u8981\u4ece\u78c1\u76d8\u4e2d\u52a0\u8f7d\u6570\u636e\uff0c\u8fd9\u89e3\u91ca\u4e86profile\u7684\u7ed3\u679c<br \/>\n2. 02\u4e0a\u67e5\u8be2Key_read_requests\u7684\u589e\u957f\u4e3a5w\u591a\uff0c\u800c03\u4e0a\u67e5\u8be2\u8fd9\u4e2a\u589e\u91cf\u662f12w\uff0c\u8bf4\u660e03\u4e0a\u67e5\u8be2\u9700\u8981\u8bbf\u95ee\u7684page\u6570\u91cf\u6bd4\u8f83\u591a\uff0c\u56e0\u6b64\u9700\u8981\u6267\u884cAnalyze table<\/p>\n<p><a href=\"http:\/\/dev.mysql.com\/doc\/refman\/5.1\/en\/server-system-variables.html#sysvar_key_buffer_size\">MySQL Manual<\/a>\u4e0a\u5efa\u8baekey_buffer_size\u7684\u8bbe\u7f6e\u5e94\u8be5\u4f7f\u5f97\uff1a<\/p>\n<pre lang=\"c\">Key_reads\/Key_read_requests < 0.01<\/pre>\n<p>\u800c\u4ece\u7ebf\u4e0a\u4fe1\u606f\u8ba1\u7b97\u5f97\u5230\u7684\u6bd4\u503c\u4e3a\uff1a(340363\/19831609) = 0.017\uff0c\u56e0\u6b64\u5efa\u8bae\u589e\u5927key_buffer_size<\/p>\n<h3>\u89e3\u51b3\u65b9\u6848<\/h3>\n<p>1. \u589e\u5927key_buffer_size\uff0c\u7f13\u51b2\u66f4\u591a\u7684\u7d22\u5f15\u4fe1\u606f\uff0c\u51cf\u5c0fpage fault<br \/>\n2. load\u6570\u636e\u540e\u6267\u884c\u4e00\u6b21ANALYZE LOCAL TABLE(\u4f7f\u7528LOCAL\u662f\u4e3a\u4e86\u907f\u514d\u5f71\u54cd\u5230\u5907\u5e93)\u66f4\u65b0\u7d22\u5f15\u53ca\u7edf\u8ba1\u4fe1\u606f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\u80cc\u666f \u7ebf\u4e0a\u76f8\u540c\u7ed3\u6784\u7684\u4e24\u4e2aMyISAM\u8868\uff0c\u6570\u636e\u91cf\u5dee\u4e0d\u591a\uff0c\u6267\u884c\u7684SQL\u67e5\u8be2\u8ba1\u5212\u57fa\u672c\u4e00\u81f4\uff0c\u4f46\u662f\u6267\u884c\u65f6\u95f4\u5374\u76f8\u5dee\u5f88\u5927 &hellip; <a href=\"http:\/\/www.gpfeng.com\/?p=572\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">MyISAM\u8868\u4e00\u4f8b\u67e5\u8be2\u6027\u80fd\u95ee\u9898\u6392\u67e5<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[1],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p3tPZp-9e","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/572"}],"collection":[{"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=572"}],"version-history":[{"count":13,"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/572\/revisions"}],"predecessor-version":[{"id":585,"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/572\/revisions\/585"}],"wp:attachment":[{"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=572"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gpfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}