support follower read #5051
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support follower read #5051
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added 2 commits
July 9, 2019 14:18
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
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/run-all-tests |
overvenus
reviewed
Jul 9, 2019
nolouch
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Jul 9, 2019
added 2 commits
July 10, 2019 12:43
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
overvenus
reviewed
Jul 10, 2019
added 2 commits
July 11, 2019 10:45
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
added 2 commits
July 11, 2019 11:10
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
added 2 commits
July 11, 2019 15:44
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
overvenus
previously approved these changes
Jul 11, 2019
| cluster.must_transfer_leader(region.get_id(), p2.clone()); | ||
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| // Block all write cmd applying of Peer 3. | ||
| fail::cfg("on_apply_write_cmd", "sleep(5000)").unwrap(); |
There was a problem hiding this comment.
How about pause? It works like sleep but blocks forever until turning it off.
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The apply thread could not exit after the assertion failed (before the fail point was turned off) if we use pause.
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
overvenus
reviewed
Jul 12, 2019
Signed-off-by: 5kbpers <tangminghua@pingcap.com>
overvenus
approved these changes
Jul 16, 2019
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/run-all-tests |
sticnarf
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to sticnarf/tikv
that referenced
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Oct 27, 2019
* raftstore,server: support follower read Signed-off-by: 5kbpers <tangminghua@pingcap.com> * raftstore: fix condition check of read on replica Signed-off-by: 5kbpers <tangminghua@pingcap.com> * raftstore: follower read waits for apply index reaches read index Signed-off-by: 5kbpers <tangminghua@pingcap.com> * add a test of waiting for read index Signed-off-by: 5kbpers <tangminghua@pingcap.com> * fix test_wait_for_apply_index Signed-off-by: 5kbpers <tangminghua@pingcap.com> * dec pending reads count after follower handle read index cmd Signed-off-by: 5kbpers <tangminghua@pingcap.com> * update comments Signed-off-by: 5kbpers <tangminghua@pingcap.com> * remove unused file Signed-off-by: 5kbpers <tangminghua@pingcap.com> * fix test_wait_for_apply_index Signed-off-by: 5kbpers <tangminghua@pingcap.com> * update comments Signed-off-by: 5kbpers <tangminghua@pingcap.com> * update test_wait_for_apply_index Signed-off-by: 5kbpers <tangminghua@pingcap.com> * update dependency 'kvproto' Signed-off-by: 5kbpers <tangminghua@pingcap.com>
fredchenbj
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Mar 10, 2020
* raftstore,server: support follower read
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Signed-off-by: 5kbpers tangminghua@pingcap.com
What have you changed? (mandatory)
This PR introduces a new feature, which enables clients to read data from follower peers.
We add a new RPC option
follower_readto structContextwithin every request, see 5kbpers/kvproto@e55978cWhat are the type of the changes? (mandatory)
How has this PR been tested? (mandatory)
integration tests
Does this PR affect tidb-ansible update? (mandatory)
No.
Refer to a related PR or issue link (optional)
pingcap/kvproto#424