Repository: kudu Updated Branches: refs/heads/branch-1.7.x 542cfd9e0 -> 00128aea1
[release notes]: RYW read mode Change-Id: I9906398b0796307c26150f78e0e256e285ded516 Reviewed-on: http://gerrit.cloudera.org:8080/9594 Reviewed-by: Dan Burkert <danburk...@apache.org> Reviewed-by: Grant Henke <granthe...@gmail.com> Reviewed-by: David Ribeiro Alves <davidral...@gmail.com> Tested-by: Kudu Jenkins (cherry picked from commit 217715aae6eafdebb15fc33a103dea07e3bb37c1) Reviewed-on: http://gerrit.cloudera.org:8080/9613 Reviewed-by: Hao Hao <hao....@cloudera.com> Tested-by: Hao Hao <hao....@cloudera.com> Project: http://git-wip-us.apache.org/repos/asf/kudu/repo Commit: http://git-wip-us.apache.org/repos/asf/kudu/commit/00128aea Tree: http://git-wip-us.apache.org/repos/asf/kudu/tree/00128aea Diff: http://git-wip-us.apache.org/repos/asf/kudu/diff/00128aea Branch: refs/heads/branch-1.7.x Commit: 00128aea1ebcafd9095c02e5edf5238aa0025f90 Parents: 542cfd9 Author: hahao <hao....@cloudera.com> Authored: Mon Mar 12 17:17:06 2018 -0700 Committer: Hao Hao <hao....@cloudera.com> Committed: Tue Mar 13 22:12:07 2018 +0000 ---------------------------------------------------------------------- docs/release_notes.adoc | 9 +++++++++ 1 file changed, 9 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/kudu/blob/00128aea/docs/release_notes.adoc ---------------------------------------------------------------------- diff --git a/docs/release_notes.adoc b/docs/release_notes.adoc index 482dc83..740c64d 100644 --- a/docs/release_notes.adoc +++ b/docs/release_notes.adoc @@ -74,6 +74,15 @@ already exists there from a pre-Kudu 1.7 deployment. Kudu will not automatically move existing metadata based on this configuration. +* Kudu 1.7 introduces a new scan read mode READ_YOUR_WRITES. Users can specify + READ_YOUR_WRITES when creating a new scanner in both C++ and Java clients. + If this mode is used, the client will perform a read such that it follows all + previously known writes and reads from this client. Reads in this mode ensure + read-your-writes and read-your-reads session guarantees, while minimizing + latency caused by waiting for outstanding write transactions to complete. + Note that this is still an experimental feature which may be stabilized in + future releases. + == Optimizations and improvements * Reporting for the `kudu cluster ksck` tool has been updated so tablets and tables with on-going tablet copies are shown as "recovering". Additional
