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Tips for C++ compiling Issues GCCFix LD_LIBRARY_PATH at compile time”-rpath ” or “-Wl,-rpath,” 1$ gcc -lstdc++ -lz -lpthread -o test test.o -Wl,-rpath,/sample/dynamic/library/path General TipsCheck the dependency of dynamic library ( .so file ) 1$ ldd sample.so 2013. 7. 31.
HDFS Errors Master Error Message1234567891011121314152013-07-15 13:36:59,258 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:cse cause:java.io.IOException: File /tmp/hadoop-cse/mapred/system/jobtracker.info could only be replicated to 0 nodes, instead of 12013-07-15 13:36:59,259 INFO org.apache.hadoop.ipc.Server: IPC Server handler 7 on 9000, call addBlock(/tmp/hadoop-cs.. 2013. 7. 15.
Ubuntu 10.04.4 LTS 서버 설치 후 했던 작업 리스트 (hostple.net) Update apt-get update serverlist Path : /etc/apt/sources.list Following is for the hostple.net Service User.eb http://ftp.daum.net//ubuntu/ lucid main restricteddeb-src http://ftp.daum.net//ubuntu/ lucid main restricted## Major bug fix updates produced after the final release of the## distribution.deb http://ftp.daum.net//ubuntu/ lucid-updates main restricteddeb-src http://ftp.daum.net//ubuntu/ .. 2013. 7. 10.
Summary on HDFS (Cont.) 분산 처리 관련 업무 중 HDFS 관련 조사가 필요하여 관련 분석 내용을 참고차 기록한다. HDFS supports following read/write policiesreadrandom readsequential readwritesequential writeBlock size, the number of replica can be set for each file. 2013. 7. 9.