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ext4 vs xfs on SSD
   2012-04-16 18:54:13

As ext4 is a standard de facto filesystem for many modern Linux system, I am getting a lot of question if this is good for SSD, or something else (i.e. xfs) should be used.
Traditionally our recommen...
Posted by lg in [DB] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:217 | ·Å´óÈ«ÎÄ
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   2012-03-28 15:04:53

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Posted by lg in [DB] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:590 | ·Å´óÈ«ÎÄ
mysqlÀïµÄprofilingÐÔÄÜ¼à¿Ø·½·¨
   2012-03-19 15:46:26

mysql 5.0.37ÌṩÁËÐÔÄÜ¼à¿ØÓï¾äshow profileÒÔ¼°show profiles£¬Ê¹ÓÃÕâÁ½¸öÓï¾ä¿ÉÒԲ鿴ִÐйýsqlÓï¾äµÄÕ¼ÓõÄcpuÄÚ´æµÈµÈ¡£

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¿ìËÙÔ¤ÈÈInnodb Buffer PoolµÄ·½·¨
   2011-12-20 10:23:01

µ±innodb_buffer_pool_size´óµ½¼¸Ê®GB»òÊǰÙGBµÄʱºò£¬ÒòΪijЩÈÕ³£Éý¼¶¸üлòÊÇÒâÍâå´»ú£¬¶ø±ØÐëÒªÖØÐÂÆô¶¯mysqld·þÎñµÄÖ®ºó£¬¾ÍÃæÁÙÒ»¸öÎÊÌ⣬ÈçºÎ½«Ö®Ç°Æµ·±·ÃÎʵÄÊý¾ÝÖØÐ¼ÓÔØ»ØbufferÖУ¬Ò²¾ÍÊÇ˵£¬ÈçºÎ¶Ôinnod...
Posted by lg in [DB] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:548 | ·Å´óÈ«ÎÄ
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   2011-11-23 19:18:24

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Posted by lg in [¾­µäÍøÎÄ] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:390 | ·Å´óÈ«ÎÄ
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   2011-11-23 13:06:49

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Posted by lg in [shell] | ÆÀÂÛ:1 | ×Üä¯ÀÀ:509 | ·Å´óÈ«ÎÄ
linux ¼¼ÇÉ£ºÊ¹Óà screen ¹ÜÀíÄãµÄÔ¶³Ì»á»°
   2011-07-25 06:25:51

ÄãÊDz»ÊǾ­³£ÐèÒª SSH »òÕß telent Ô¶³ÌµÇ¼µ½ Linux ·þÎñÆ÷£¿ÄãÊDz»ÊǾ­³£ÎªÒ»Ð©³¤Ê±¼äÔËÐеÄÈÎÎñ¶øÍ·ÌÛ£¬±ÈÈçϵͳ±¸·Ý¡¢ftp ´«ÊäµÈµÈ¡£Í¨³£Çé¿öÏÂÎÒÃǶ¼ÊÇΪÿһ¸öÕâÑùµÄÈÎÎñ¿ªÒ»¸öÔ¶³ÌÖÕ¶Ë´°¿Ú£¬ÒòΪËûÃÇÖ´ÐеÄʱ¼...
Posted by lg in [ÍøÂç¼¼Êõ] | ÆÀÂÛ:2 | ×Üä¯ÀÀ:976 | ·Å´óÈ«ÎÄ
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   2011-07-18 13:48:07

shiftÆäʵºÜ¼òµ¥µÄ£¬¾ÍÊÇ×óÒÆ²ÎÊýÁÐ±í£¬shiftÒ»´Î¾Í½«×î×ó±ßµÄ²ÎÊýÒÆ³öÈ¥ÁË£¬È»ºó
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Posted by lg in [shell] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:986 | ·Å´óÈ«ÎÄ
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   2011-07-09 20:53:37

ʹ·Ç±¾µØ·þÎñ¿´ÉÏÈ¥ÏñÊÇÀ´×Ô±¾µØ¶Ë¿Ú
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Posted by lg in [Linux/unix] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:987 | ·Å´óÈ«ÎÄ
crontabÓë»·¾³±äÁ¿
   2011-07-06 16:46:52

crontabÓë»·¾³±äÁ¿
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Posted by lg in [Linux/unix] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:1229 | ·Å´óÈ«ÎÄ
scp¶ÏµãÐø´«
   2011-06-25 13:30:59

scpÒ»µ©³ö´íÖжϾÍÖ»ÄÜÖØÐ¿ªÊ¼£¬²»¹ý¿ÉÒÔÀûÓÃrsyncʵÏÖscpµÄ¶ÏµãÐø´«

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Posted by lg in [shell] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:1603 | ·Å´óÈ«ÎÄ
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   2011-06-24 09:05:53

²ÎÊý´ú»»£º xargs
xargs ÊÇÔÚ×öʲôµÄÄØ£¿¾ÍÒÔ×ÖÃæÉϵÄÒâÒåÀ´¿´£¬ x ÊǼӼõ³Ë³ýµÄ³ËºÅ£¬args ÔòÊÇ arguments (²ÎÊý) µÄÒâ˼£¬ËùÒÔ˵£¬Õâ¸öÍæÒâ¶ù¾ÍÊÇÔÚ²úÉúij¸öÖ¸ÁîµÄ²ÎÊýµÄÒâ˼£¡ xargs ¿ÉÒÔ¶ÁÈë stdin µÄ×ÊÁÏ£¬²¢ÇÒÒÔ...
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