feat(datanode, lcnode): Datanode support to manage both SSD and HDD disks and migration optimization #3243
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…e configuration Signed-off-by: morphes1995 <morphes1995@gmail.com>
…de BufferPool Signed-off-by: morphes1995 <morphes1995@gmail.com>
…e volume Signed-off-by: morphes1995 <morphes1995@gmail.com>
…t will be sent to datanode Signed-off-by: morphes1995 <morphes1995@gmail.com>
…ion on data node and commit meta info to meta node Signed-off-by: morphes1995 <morphes1995@gmail.com>
… packet timeout , add some comment and log Signed-off-by: morphes1995 <morphes1995@gmail.com>
…r test use Signed-off-by: morphes1995 <morphes1995@gmail.com>
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What this PR does / why we need it:
Which issue this PR fixes:
fixes #3239
Special notes for your reviewer:
Release note: