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new 1ef270b5b Added a known issues section to the 4.0.0-alpha-1 relnotes
(#493)
1ef270b5b is described below
commit 1ef270b5b74cde62e6f21c33dc55ec83724ad033
Author: Dave Marion <[email protected]>
AuthorDate: Fri Sep 25 08:34:54 2026 -0400
Added a known issues section to the 4.0.0-alpha-1 relnotes (#493)
---
...lpha-1.md => 2026-09-24-accumulo-4.0.0-alpha-1.md} | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/_posts/release/2026-08-24-accumulo-4.0.0-alpha-1.md
b/_posts/release/2026-09-24-accumulo-4.0.0-alpha-1.md
similarity index 97%
rename from _posts/release/2026-08-24-accumulo-4.0.0-alpha-1.md
rename to _posts/release/2026-09-24-accumulo-4.0.0-alpha-1.md
index 0d6d0372e..ecfdfcca3 100644
--- a/_posts/release/2026-08-24-accumulo-4.0.0-alpha-1.md
+++ b/_posts/release/2026-09-24-accumulo-4.0.0-alpha-1.md
@@ -1,13 +1,16 @@
---
title: Apache Accumulo 4.0.0 Alpha 1
sortableversion: '04.00.00'
-draft: true
+draft: false
+LTM: false
---
## WARNING!!
This is a non-final tag / release for testing purposes to find bugs and broken
features.
-Do not use this version in production. No support shall be provided for
upgrades between
-this version and any other version.
+Do not use this version in production. We advise that users start with a new
instance to
+understand new concepts, try new features and test their applications for the
purpose of
+finding and reporting issues. Upgrading an existing instance is not advised as
the
+upgrade code has not been thoroughly tested.
## About
@@ -17,11 +20,15 @@ the way that Accumulo is deployed with a small number of
API changes.
A high level overview of some of the changes are described in [this][blog]
blog post.
+## User Guide
+
+The 4.x user guide, located [here][4docs], is being updated. It will be in
draft state until the final 4.0.0 release.
+
## Notable Changes
* Accumulo 4.0.0 requires Java 21 for compilation and Java 17 for runtime.
-* Bulk Import V1 has been removed. Users will need to migrate to Bulk Import
V2.
+* Bulk Import v1 has been removed. Users will need to migrate to Bulk Import
v2.
* Tablet merges no longer require a chop compaction on the participating
files. To facilitate
this the file entry in the tablet metadata now includes the range for the
tablet data in
@@ -102,6 +109,9 @@ blog post.
to achieve this in 2.1 was to allow ScanServers to scan offline tables. In
4.0, ScanServers can scan
tablets with all availability goals, so ScanServers don't need or have the
ability to scan offline tables.
+## Known Issues
+
+* {% ghi 6539 %} Using an underscore in a resource group name may cause the
Monitor to fail.
## API Changes (from 2.1.6)
@@ -255,6 +265,7 @@ settings.
[blog]: /blog/2024/10/07/accumulo4-preview.html
+[4docs]: /docs/4.x
[merge]: /docs/4.x/administration/merging
[upgrade]: /docs/4.x/administration/upgrading
[milestone]: https://github.com/apache/accumulo/milestone/20
