| writeBlock(ExtendedBlock, StorageType, Token, String, DatanodeInfo[], StorageType[], DatanodeInfo, BlockConstructionStage, int, long, long, long, DataChecksum, CachingStrategy, boolean, boolean, boolean[], String, String[]) |  | 0% | | 0% | 3 | 3 | 26 | 26 | 1 | 1 |
| blockGroupChecksum(StripedBlockInfo, Token, long, BlockChecksumOptions) | | 0% | | n/a | 1 | 1 | 16 | 16 | 1 | 1 |
| requestShortCircuitFds(ExtendedBlock, Token, ShortCircuitShm.SlotId, int, boolean) | | 0% | | 0% | 2 | 2 | 9 | 9 | 1 | 1 |
| releaseShortCircuitFds(ShortCircuitShm.SlotId) | | 0% | | 0% | 2 | 2 | 10 | 10 | 1 | 1 |
| requestShortCircuitShm(String) | | 0% | | 0% | 2 | 2 | 10 | 10 | 1 | 1 |
| replaceBlock(ExtendedBlock, StorageType, Token, String, DatanodeInfo, String) | | 0% | | 0% | 2 | 2 | 9 | 9 | 1 | 1 |
| getCachingStrategy(CachingStrategy) | | 0% | | 0% | 3 | 3 | 6 | 6 | 1 | 1 |
| readBlock(ExtendedBlock, Token, String, long, long, boolean, CachingStrategy) | | 0% | | n/a | 1 | 1 | 9 | 9 | 1 | 1 |
| transferBlock(ExtendedBlock, Token, String, DatanodeInfo[], StorageType[], String[]) | | 0% | | n/a | 1 | 1 | 9 | 9 | 1 | 1 |
| send(DataOutputStream, Op, Message) | | 0% | | n/a | 1 | 1 | 6 | 6 | 1 | 1 |
| blockChecksum(ExtendedBlock, Token, BlockChecksumOptions) | | 0% | | n/a | 1 | 1 | 6 | 6 | 1 | 1 |
| copyBlock(ExtendedBlock, Token) | | 0% | | n/a | 1 | 1 | 5 | 5 | 1 | 1 |
| op(DataOutput, Op) | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 |
| Sender(DataOutputStream) | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 |
| static {...} | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |