thank you ,Khalil Honsali Can others can give me some other suggestion? I am eagerly waiting for your reply.
2007/12/12, Khalil Honsali <[EMAIL PROTECTED]>: > > As far as my basic understanding goes: > 1 - 3rd party - or so technologies are located in the folder hadoop-xx/lib > , > for example apache's commons-logging technologie ... > 4 - ... which is used by hadoop for logging into the log files specified > in > the configuration files. log files are usually in the hadoop-xx/logs/ > directory and there are two types of logging: INFO (information messages) > and ERROR. you can tune logging schemes via hadoop-xx/conf/commons- > logging.properties or hadoop-xx/conf/log4j.properties > > On 12/12/2007, 王学超 <[EMAIL PROTECTED]> wrote: > > > > hi, everyone! > > I'm new,I am not familiar with hadoop，so I have some following > > questions,please help me. thanks > > 1、Are there 3rd party technologies and included in hadoop or > dependencies? > > 2、How is hadoop's high-availability handled? Built-in or requires > > separate HA manager? > > 3、How is security handled? > > 4、How is error logging handled? > > > > > > -- > --------------------------------------------------------- > شهر مبارك كريم > كل عام و أنتم بخير > --------------------------------------------------------- > Honsali Khalil − 本査理 カリル > Academic>Japan>NIT>Grad. Sc. Eng.>Dept. CS>Matsuo&Tsumura Lab. > http://www.matlab.nitech.ac.jp/~k-hon/< > http://www.matlab.nitech.ac.jp/%7Ek-hon/> > +81 (zero-)eight-zero 5134 8119 > [EMAIL PROTECTED] (instant reply mail) > -- 此致 敬礼
