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slfan1989 pushed a commit to branch branch-3.4
in repository https://gitbox.apache.org/repos/asf/hadoop.git
The following commit(s) were added to refs/heads/branch-3.4 by this push:
new 65a2bdeeead0 HADOOP-19099. Add Protobuf Compatibility Notes (#6607)
Contributed by Shilun Fan.
65a2bdeeead0 is described below
commit 65a2bdeeead0c4826588f2bb05b10bb307a2727f
Author: slfan1989 <55643692+slfan1...@users.noreply.github.com>
AuthorDate: Mon Mar 4 13:19:28 2024 +0800
HADOOP-19099. Add Protobuf Compatibility Notes (#6607) Contributed by
Shilun Fan.
Reviewed-by: He Xiaoqiao <hexiaoq...@apache.org>
Signed-off-by: Shilun Fan <slfan1...@apache.org>
---
hadoop-project/src/site/markdown/index.md.vm | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/hadoop-project/src/site/markdown/index.md.vm
b/hadoop-project/src/site/markdown/index.md.vm
index 54e8055e633d..fa728f74463a 100644
--- a/hadoop-project/src/site/markdown/index.md.vm
+++ b/hadoop-project/src/site/markdown/index.md.vm
@@ -242,6 +242,16 @@ you want to remain exclusively *your cluster*.
Finally, if you are using Hadoop as a service deployed/managed by someone else,
do determine what security their products offer and make sure it meets your
requirements.
+Protobuf Compatibility
+===============
+
+In HADOOP-18197, we upgraded the Protobuf in hadoop-thirdparty to version
3.21.12.
+This version may have compatibility issues with certain versions of JDK8,
+and you may encounter some errors (please refer to the discussion in
HADOOP-18197 for specific details).
+
+To address this issue, we recommend upgrading the JDK version in your
production environment to a higher version (> JDK8).
+We will resolve this issue by upgrading hadoop-thirdparty's Protobuf to a
higher version in a future release of 3.4.x.
+Please note that we will discontinue support for JDK8 in future releases of
3.4.x.
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