The import is dependent on syncTask, which in turn relies on the
allocator. This PR pre-allocate the necessary IDs for import syncTask.
issue: https://github.com/milvus-io/milvus/issues/33957
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
The data coordinator computed the appropriate number of import segments,
thus when importing in the data node, one can randomly select a segment.
issue: https://github.com/milvus-io/milvus/issues/33604
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
This PR introduces novel managerial roles for importv2:
1. ImportMeta: To manage all the import tasks;
2. ImportScheduler: To process tasks and modify their states;
3. ImportChecker: To ascertain the completion of all tasks and instigate
relevant operations.
issue: https://github.com/milvus-io/milvus/issues/28521
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>