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西安网站建设价格明细,做网页难吗,平面设计图片大全,wordpress 前台打不开DistCp（分布式拷贝）是用于大规模集群内部和集群之间拷贝的工具。它使用Map/Reduce实现文件分发，错误处理和恢复，以及报告生成。它把文件和目录的列表作为map任务的输入，每个任务会完成源列表中部分文件的拷贝配置/…

DistCp（分布式拷贝）是用于大规模集群内部和集群之间拷贝的工具。它使用Map/Reduce实现文件分发，错误处理和恢复，以及报告生成。它把文件和目录的列表作为map任务的输入，每个任务会完成源列表中部分文件的拷贝

配置/usr/local/hadoop/etc/hadoop/core-site.xml

<!-- CEPH  file. -->
<property><name>fs.default.name</name><value>ceph://192.168.252.12:6789/</value></property><property><name>fs.ceph.impl</name><value>org.apache.hadoop.fs.ceph.CephFileSystem</value></property><property><name>ceph.mon.address</name><value>192.168.252.12:6789</value></property><property><name>ceph.auth.id</name><value>admin</value></property><property><name>ceph.conf.file</name><value>/etc/ceph/ceph.conf</value></property><property><name>ceph.auth.keyfile</name><value>/etc/ceph/ceph.client.admin.keyring</value></property><!-- S3A file. --><property><name>fs.s3a.access.key</name><value>CNGYG74H0F3QRSV4NGE4</value></property><property><name>fs.s3a.secret.key</name><value>ospPWGpPkVfnjIpgFKatQhkezsORmRQ95XF3597D</value></property><property><name>fs.s3a.endpoint</name><value>http://192.168.252.12:7480</value></property>

操作命令
文件存储目录

[root@3819a71f55f8 /]# hadoop fs -ls /
Loading libcephfs-jni from default path: /usr/local/hadoop/lib/native
Loading libcephfs-jni: Success!
Found 7 items
drw-r--r--   - root          0 2025-01-21 03:16 /benchmarks
drwxrwxrwx   - root       1652 2025-01-20 13:28 /hdfs
drwxrwxrwx   - root          9 2025-01-13 08:12 /http
drwxr-xr-x   - root       4460 2025-01-17 08:34 /nfs
drwxrw-r-x   - root     200962 2025-01-21 04:43 /tmp
drwxrwxrw-   - root          0 2025-01-08 09:28 /user
drwxr--r-x   - root          0 2025-01-20 06:44 /web

对象存储目录

[root@3819a71f55f8 /]# hadoop fs -ls s3a://new/
2025-01-21 05:06:03,713 INFO impl.MetricsConfig: Loaded properties from hadoop-metrics2.properties
2025-01-21 05:06:03,816 INFO impl.MetricsSystemImpl: Scheduled Metric snapshot period at 10 second(s).
2025-01-21 05:06:03,816 INFO impl.MetricsSystemImpl: s3a-file-system metrics system started
Found 2 items
drwxrwxrwx   - root root          0 2025-01-21 05:06 s3a://new/tmp
-rw-rw-rw-   1 root root     195792 2025-01-20 14:07 s3a://new/vmware.log
2025-01-21 05:06:05,516 INFO impl.MetricsSystemImpl: Stopping s3a-file-system metrics system...
2025-01-21 05:06:05,516 INFO impl.MetricsSystemImpl: s3a-file-system metrics system stopped.
2025-01-21 05:06:05,516 INFO impl.MetricsSystemImpl: s3a-file-system metrics system shutdown complete