Sums:

sum is used by all NNA queries and the options available to use on your query will depend on what you choose as your starting set.

1. count - Usable by files and dirs. Simply counts the filtered INodes.
2. fileSize - Usable by files. Sums filtered INodes by file size. (No replication factor).
3. diskspaceConsumed - Usable by files. Sums filtered INodes by disk space. (Includes replication factor).
4. memoryConsumed - Usable by files and dirs. Sums filtered INodes by estimated NameNode memory consumed.
5. blockSize - Usable by files. Sums filtered INodes by preferred block size.
6. numBlocks - Usable by files. Sums filtered INodes by number of blocks in their file. (No replication factor).
7. numReplicas - Usable by files. Sums filtered INodes by number of blocks in their file. (Includes replication factor).
8. nsQuotaRatioUsed - Usable by directories. Sums filtered INodes by percentage of namespace quota left.
9. dsQuotaRatioUsed - Usable by directories. Sums filtered INodes by percentage of disk space quota left.
10. nsQuotaUsed - Usable by directories. Sums filtered INodes by number of namespace items used in quota.
11. dsQuotaUsed - Usable by directories. Sums filtered INodes by disk space bytes used in quota.
12. nsQuota - Usable by directories. Sums filtered INodes by namespace items allowed in quota.
13. dsQuota - Usable by directories. Sums filtered INodes by disk space bytes allowed in quota.