issue: #29261
This PR Add restful api for devops to execute rolling upgrade, including
suspend/resume balance and manual transfer segments/channels.
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Signed-off-by: Wei Liu <wei.liu@zilliz.com>
issue: #29453
sync distribution by rpc will also call loadSegment/releaseSegment,
which may cause all kinds of concurrent case on same segment, such as
concurrent load and release on one segment.
This PR add leader_checker which generate load/release task to correct
the leader view, instead of calling sync distribution by rpc
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Signed-off-by: Wei Liu <wei.liu@zilliz.com>