hi all
I follow the mail configure the ceph with hadoop (http://permalink.gmane.org/gmane.comp.file-systems.ceph.user/1809).
1. Install additional packages: libcephfs-java libcephfs-jni using the commonds:
./configure --enable-cephfs-java
make & make install
cp /src/java/libcephfs.jar /usr/hadoop/lib/
2. Download http://ceph.com/download/hadoop-cephfs.jar
cp hadoop-cephfs.jar /usr/hadoop/lib
3. Symink JNI library
cd /usr/hadoop/lib/native/Linux-amd64-64
ln -s /usr/local/lib/libcephfs_jni.so .
4 vim core-site.xml
fs.default.name=ceph://192.168.22.158:6789/
fs.ceph.impl=org.apache.hadoop.fs.ceph.CephFileSystem
ceph.conf.file=/etc/ceph/ceph.conf
and then
# hadoop fs -ls
ls: cannot access . :no such file or directory
#hadoop dfsadmin -report
report:FileSystem ceph://192.168.22.158:6789 is not a distributed file System
Usage: java DFSAdmin[-report]
# /usr/hadoop/bin/stop-all.sh
# /usr/hadoop/bin/start-all.sh
hadoop:Exception in thread "IPC Client(47) Connection to 192.168.58.129:6789 from rwt java.lang.RuntimeException:readObject cant find class
thanks
pengft |
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