[HDFS-8528] Erasure Coding: optimize client writing by making the writing of data and parity concurrently

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Assignee: Li Bo
• Reporter: Li Bo
• Created: 04/Jun/15 03:50
• Updated: 05/Jun/15 02:46
• Resolved: 05/Jun/15 02:46

Description

HDFS-8425 shows the client writing is not very efficient currently. One factor is that when data buffers are full, client suspends until the parities are encoded and written. This sub task tries to make the two writings concurrently to enhance the efficiency.

Issue Links

• duplicates: HDFS-8287 DFSStripedOutputStream.writeChunk should not wait for writing parity