[HDFS-12208] NN should consider DataNode#xmitInProgress when placing new block - ASF JIRA

Add vote

Voters

Watch issue

Watchers

Create sub-task

Link

Clone

Update Comment Author

Replace String in Comment

Update Comment Visibility

Delete Comments

XML

Word

Printable

JSON

Details

Type: Improvement
Status: Open
Priority: Minor
Resolution: Unresolved
Affects Version/s: 3.0.0-alpha4
Fix Version/s: None
Component/s: block placement, erasure-coding
Labels:
None

Target Version/s:

3.5.0

Description

As discussed in ~~HDFS-12044~~, NN only considers xceiver counts on DN when placing new blocks. NN should also consider background reconstruction works, presented by xmits on DN.

Attachments

Issue Links

Add Link

relates to

HDFS-12044 Mismatch between BlockManager#maxReplicationStreams and ErasureCodingWorker.stripedReconstructionPool pool size causes slow and bursty recovery