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new 4ee208a Add a bunch to release notes for 2.1.0
4ee208a is described below
commit 4ee208a58ffbfc69a846f8fb0cbba506480d71cc
Author: Mike Miller <mmil...@apache.org>
AuthorDate: Wed Oct 20 12:46:54 2021 -0400
Add a bunch to release notes for 2.1.0
---
_posts/release/2020-01-19-accumulo-2.1.0.md | 84 +++++++++++++++++++++++++++--
1 file changed, 81 insertions(+), 3 deletions(-)
diff --git a/_posts/release/2020-01-19-accumulo-2.1.0.md
b/_posts/release/2020-01-19-accumulo-2.1.0.md
index 7dee888..d7a022e 100644
--- a/_posts/release/2020-01-19-accumulo-2.1.0.md
+++ b/_posts/release/2020-01-19-accumulo-2.1.0.md
@@ -47,14 +47,14 @@ Significant changes were made to how Accumulo compacts
files in this release. S
CompactionStrategy was deprecated in favor of new public APIs.
See its [javadoc]({% jurl
org.apache.accumulo.tserver.compaction.CompactionStrategy %})
-for more information.
+for more information. Github tickets related to these changes: {% ghi 564 %}
{% ghi 1605 %} {% ghi 1609 %} {% ghi 1649 %} {% ghi %}
### Fixed GC Metadata hotspots
Prior to this release, Accumulo stored GC file candidates in the metadata table
using rows of the form `~del<URI>`. This row schema lead to uneven load on
the metadata table and metadata tablets that were eventually never used. In {%
-ghi 1043 %} the row format was changed to `~del<hash(URI)><URI>` resulting in
+ghi 1043 %} {% ghi 1344 %} the row format was changed to
`~del<hash(URI)><URI>` resulting in
even load on the metadata table and even data spread in the tablets. After
upgrading, there may still be splits in the metadata table using the old row
format. These splits can be merged away as shown in the example below which
@@ -142,4 +142,82 @@ Some other specific examples of these changes include:
`org.apache.accumulo.manager.state.SetGoalState` instead.
* `masterMemory` in `minicluster.properties` has been deprecated and
`managerMemory` should be used instead in any `minicluster.properties` files
- you have configured.
\ No newline at end of file
+ you have configured.
+* See also {% ghi 1640 %} {% ghi 1642 %} {% ghi 1703 %} {% ghi 1704 %} {% ghi
1873 %} {% ghi 1907 %}
+
+### New SPI Package
+
+New SPI Package {% ghi 1900 %} {% ghi 1905 %} {% ghi 1880 %} {% ghi 1891 %} {%
ghi 1426 %}
+
+### New listtablets shell command.
+
+New command for debugging tablets called listtablets {% ghi 1317 %} {% ghi
1821 %}
+
+### New option for cloning offline
+
+Added option to leave cloned tables offline {% ghi 1474 %} {% ghi 1475 %}
+
+### New max tablets option in bulk import
+
+Created max tablets property in new bulk import {% ghi 1614 %}
+
+### New ability for user to define context classloaders
+
+Deprecated VFS ClassLoader and added ability for user to define context
classloaders {% ghi 1747 %} {% ghi 1715 %}
+
+### Updated hash algorithm
+
+TODO clarify what was done for this. {% ghi 1787 %} {% ghi 1788 %} {% ghi 1798
%} {% ghi 1810 %}
+
+### Various Performance improvements when deleting tables
+
+Make delete table operations cancel user compactions {% ghi 2030 %}.
+Added check to not flush when table is being deleted {% ghi 1887 %}.
+Make the UnloadTabletHandler log before waiting for deletes to finish {% ghi
1881 %}.
+Stop user flush if table is being deleted {% ghi 1931 %}
+
+### New jshell entry point
+
+Created new "jshell" convenience entry point {% ghi 1870 %} {% ghi 1910 %}
+
+### Other notable changes
+
+* {% ghi 1309 %} Prevent cloning metadata table
+* {% ghi 1294 %} {% ghi 1299 %} Add optional -t tablename to importdirectory
shell command.
+* {% ghi 1332 %} Disable FileSystemMonitor checks by default
+* {% ghi 1345 %} {% ghi 1352 %} Allow gc initiated compaction as option.
+* {% ghi 1090 %} {% ghi 1330 %} Consolidate/Simplify ServerOpts
+* {% ghi 1389 %} Always choose volume for new tablet files.
+* {% ghi 1390 %} {% ghi 1400 %} {% ghi 1411 %} Declare core.iterators package
public API
+* {% ghi 1441 %} {% ghi 1405 %} Improvements to Upgrades
+* {% ghi 1397 %} {% ghi 1461 %} Replace relative paths on upgrade.
+* {% ghi 1456 %} {% ghi 1457 %} Prevent catastrophic tserver shutdown by rate
limiting the shutdown
+* {% ghi 1528 %} {% ghi 1514 %} {% ghi 1515 %} {% ghi 1516 %} Upgraded to
Log4j2
+* {% ghi 1513 %} {% ghi 1530 %} {% ghi 1531 %} {% ghi 1877 %} Upgraded to
Zookeeper 3.5.9
+* {% ghi 1053 %} {% ghi 1060 %} {% ghi 1576 %} Support multiple volumes in
import table
+* {% ghi 1464 %} Leverage SimpleThreadPool for improving importtable
performance
+* {% ghi 1568 %} Support multiple tservers / node in accumulo-service
+* {% ghi 1644 %} {% ghi 1645 %} Fix issue with minor compaction not retrying
+* {% ghi 1660 %} Dropped MemoryManager property
+* {% ghi 1543 %} {% ghi 1650 %} Use batching strategy for
SimpleGarbageCollector candidate memory utilization
+* {% ghi 1692 %} Fix file permissions in source assembly tarball
+* {% ghi 1721 %} Mark security properties experimental
+* {% ghi 1739 %} {% ghi 1746 %} Cleanup Splits file if CreateTable FaTE
operation fails.
+* {% ghi 1742 %} {% ghi 1765 %} Added forEach to Scanner
+* {% ghi 1764 %} {% ghi 1783 %} Parallelize listcompactions in shell
+* {% ghi 1797 %} Add table option to shell delete command.
+* {% ghi 1848 %} Update column name in the monitor UI
+* {% ghi 2039 %} {% ghi 2045 %} Add bulk import option to ignore empty dirs
+* {% ghi 2064 %} Add option to disable encryption to AESCryptoService
+* {% ghi %}
+
+## Upgrading
+
+View the [Upgrading Accumulo documentation][upgrade] for guidance.
+
+## 2.1.0 GitHub Project
+
+[All tickets related to 2.1.0.][project]
+
+[upgrade]: /docs/2.x/administration/upgrading
+[project]: https://github.com/apache/accumulo/projects/3
\ No newline at end of file
