Add the output of fsck /: Status: HEALTHY Total size: 206764149350922 B (Total open files size: 498 B) Total dirs: 2783822 Total files: 18549954 Total symlinks: 0 (Files currently being written: 67) Total blocks (validated): 18458588 (avg. block size 11201514 B) (Total open file blocks (not validated): 40) Minimally replicated blocks: 18458588 (100.0 %) Over-replicated blocks: 0 (0.0 %) Under-replicated blocks: 0 (0.0 %) Mis-replicated blocks: 0 (0.0 %) Default replication factor: 3 Average block replication: 3.006334 Corrupt blocks: 0 Missing replicas: 0 (0.0 %) Number of data-nodes: 57 Number of racks: 4
Wenqi Ma <[email protected]> 于2020年6月3日周三 下午4:48写道： > Dear Hadoop community, > > HDFS v2.7.7. > > The output of du is: > # hdfs dfs -du -s -h / > *217.5 T* / > while the output of df is: > # hdfs dfs -df -h / > Filesystem Size Used Available Use% > hdfs://nameservice1 1.1 P *981.3 T* 103.2 T 86% > > All files are 3 replicas, so I suppose the "Used" should be about 217.5 * > 3 = *652.5 T*. > The problem is who used the other *300+T *(981.3 T - 652.5 T)? Thanks! > > BTW, I found a similar issue > <https://community.cloudera.com/t5/Support-Questions/space-used-in-hdfs-is-different-from-free-space/td-p/196064>, > but I do not think the answer is correct. > > -- > Best Regards! > Wenqi > > -- Best Regards! Wenqi
