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ha: refactor the schedule model #473
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csuzhangxc
added
priority/important
csuzhangxc
changed the title
lichunzhu
reviewed
Feb 10, 2020
Co-Authored-By: WangXiangUSTC <wx347249478@gmail.com>
lichunzhu
reviewed
Feb 12, 2020
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| // WatchSourceBound watches PUT & DELETE operations for the bound relationship of the specified DM-worker. | ||
| // For the DELETE operations, it returns an empty bound relationship. | ||
| func WatchSourceBound(ctx context.Context, cli *clientv3.Client, |
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Shall we return error for retry?
# Conflicts: # dm/common/common.go # pkg/ha/source_test.go
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/run-all-tests tidb=release-3.0 |
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/run-all-tests tidb=release-3.0 |
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/run-all-tests tidb=release-3.0 |
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/run-all-tests tidb=release-3.0 |
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/run-all-tests tidb=release-3.0 |
# Conflicts: # _utils/terror_gen/errors_release.txt # dm/master/coordinator/coordinator.go # dm/master/election.go # dm/master/server.go # pkg/terror/error_list.go # tests/ha/run.sh
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/run-all-tests tidb=release-3.0 |
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/run-all-tests tidb=release-3.0 |
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/run-all-tests tidb=release-3.0 |
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What problem does this PR solve?
the HA model before this PR can't tolerate well, and can't support pause-relay/pause-task correctly.
What is changed and how it works?
rewrite the HA mode, see pkg/ha/doc.go.
Check List
Tests
Code changes
Side effects
Related changes
dm/dm-ansible