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new 0afdea7f0f [MINOR] Add filesystem based lock provider to release note
(#6457)
0afdea7f0f is described below
commit 0afdea7f0f629c38903ca72354d53137aa643d3e
Author: Sagar Sumit <sagarsumi...@gmail.com>
AuthorDate: Sun Aug 21 18:06:29 2022 +0530
[MINOR] Add filesystem based lock provider to release note (#6457)
---
website/releases/release-0.12.0.md | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/website/releases/release-0.12.0.md
b/website/releases/release-0.12.0.md
index 56f37c6c02..c28914ca1f 100644
--- a/website/releases/release-0.12.0.md
+++ b/website/releases/release-0.12.0.md
@@ -31,6 +31,19 @@ However, if this feature is enabled, restore cannot be
supported. This limitatio
and the development of this feature can be tracked in
[HUDI-4500](https://issues.apache.org/jira/browse/HUDI-4500).
:::
+### Filesystem based Lock Provider
+
+For multiple writers using optimistic concurrency control, Hudi already
supports lock providers based on
+Zookeeper, Hive Metastore or Amazon DynamoDB. In this release, there is a new
filesystem based lock provider. Unlike the
+need for external systems in other lock providers, this implementation
acquires/releases a lock based on atomic
+create/delete operations of the underlying filesystem. To use this lock
provider, users need to set the following
+minimal configurations (please check the [lock
configuration](/docs/configurations#Locks-Configurations) for a few
+other optional configs that can be used):
+```
+hoodie.write.concurrency.mode=optimistic_concurrency_control
+hoodie.write.lock.provider=org.apache.hudi.client.transaction.lock.FileSystemBasedLockProvider
+```
+
### Deltastreamer Termination Strategy
Users can now configure a post-write termination strategy with deltastreamer
`continuous` mode if need be. For instance,
