commit | d03143571d2ef104a0c306e0e1c1831e7adb7958 | [log] [tgz] |
---|---|---|
author | Patrick Hiesel <hiesel@google.com> | Wed Nov 13 08:08:19 2019 -0800 |
committer | Patrick Hiesel <hiesel@google.com> | Mon Nov 18 16:06:31 2019 -0800 |
tree | bafb0664d0f3eca8be005eae20de5546a49e1297 | |
parent | 01f2af22af4f9ed9f1fff1ee0ff66946864b4730 [diff] |
Replace reindexAfterRefUpdate setting with indexMergeable Gerrit can index a boolean field called 'mergeable' that determines if a change can be merged into the target ref. This bit can change whenever the target ref advances. Gerrit therefore has logic to reindex all open changes when the target ref advances. Depending on the number of open changes, the frequency of updates of the target ref and the size of the repo, this can be a very expensive operation. For large installations, 'reindexAfterRefUpdate' was added as a setting back in 2015 (I88ae7f4ad) to turn off automatic reindexing. This setting however, leads to inconsistent behavior: Gerrit stops updating documents when the target ref advances, so the 'mergeable' bit in the indexed document can be stale. For large repos, it is most likely stale. Users can still query for 'is:mergeable' though and Gerrit happily serves that stale bit in any query response. It is worth noting, that all of this does not affect the UI as that sends a separate, asynchronous request to compute mergeablitly when needed and does not rely on the index. This commit cleans this behavior up by replacing reindexAfterRefUpdate with indexMergeable. After this commit, there are two modes of operation: 1) Gerrit indexes 'mergable' and keeps it up to date when the target ref advances. Gerrit allows queries for 'is:mergeable'. 2) Gerrit does not index 'mergeable' at all. Gerrit does not allow queries for 'is:mergeable'. This way, users always get a consistent and correct result. Change-Id: I053af1b99616920db7f0dda8f8ec770e8683df5c
Gerrit is a code review and project management tool for Git based projects.
Gerrit makes reviews easier by showing changes in a side-by-side display, and allowing inline comments to be added by any reviewer.
Gerrit simplifies Git based project maintainership by permitting any authorized user to submit changes to the master Git repository, rather than requiring all approved changes to be merged in by hand by the project maintainer.
For information about how to install and use Gerrit, refer to the documentation.
Our canonical Git repository is located on googlesource.com. There is a mirror of the repository on Github.
Please report bugs on the issue tracker.
Gerrit is the work of hundreds of contributors. We appreciate your help!
Please read the contribution guidelines.
Note that we do not accept Pull Requests via the Github mirror.
The Developer Mailing list is repo-discuss on Google Groups.
Gerrit is provided under the Apache License 2.0.
Install Bazel and run the following:
git clone --recurse-submodules https://gerrit.googlesource.com/gerrit cd gerrit && bazel build release
The instruction how to configure GerritForge/BinTray repositories is here
On Debian/Ubuntu run:
apt-get update & apt-get install gerrit=<version>-<release>
NOTE: release is a counter that starts with 1 and indicates the number of packages that have been released with the same version of the software.
On CentOS/RedHat run:
yum clean all && yum install gerrit-<version>[-<release>]
On Fedora run:
dnf clean all && dnf install gerrit-<version>[-<release>]
Docker images of Gerrit are available on DockerHub
To run a CentOS 7 based Gerrit image:
docker run -p 8080:8080 gerritforge/gerrit-centos7[:version]
To run a Ubuntu 15.04 based Gerrit image:
docker run -p 8080:8080 gerritforge/gerrit-ubuntu15.04[:version]
NOTE: release is optional. Last released package of the version is installed if the release number is omitted.