[arvados] Arvados 2.3.0 released

[peter.amstutz at curii.com]

 Hello ,

The Arvados team is pleased to announce Arvados 2.3.0. This is a major
upgrade, with many new features as well as bugfixes. We recommend that new
and existing installations of 2.2.2
<https://arvados.org/release-notes/2.2.2> or earlier upgrade to 2.3.0.
See Upgrading
Arvados <https://doc.arvados.org/v2.3/admin/upgrading.html> for upgrade
instructions.
Major Features Initial LSF support

This new release adds support for dispatching containers to Spectrum LSF
clusters <https://www.ibm.com/docs/en/spectrum-lsf/10.1.0>, allowing the
integration of Arvados to additional HPC environments.

For more information please check our documentation page
<https://doc.arvados.org/2.3/install/crunch2-lsf/install-dispatch.html>.
Initial Singularity support

This major release adds initial support for running containers with
the Singularity
Runtime <https://sylabs.io/singularity/>.

We’ve tested this version against Singularity 3.7.4. For more information
please check the documentation
<https://doc.arvados.org/2.3/architecture/singularity.html>.
Improved Storage Classes support

This release features expanded support for storage classes. Storage classes
enable clients to control which storage backend volumes are used to store
data associated with each collection. This makes it possible to manage
heterogenous storage with different performance/price/capacity/robustness
characteristics.

Arvados applications now support uploading data directly to specific
storage classes. This is described in the the user guide
<https://doc.arvados.org/2.3/user/topics/storage-classes.html>. If a
storage class is not specified, it will use the default storage classes
assigned by the administrator.

Keepstore services now parallelize data write operations when a data block
is assigned to multiple storage classes. The administrator can also
prioritize which storage classes are preferred for read operations. Please
refer to the admin documentation
<https://doc.arvados.org/2.3/admin/storage-classes.html> for more
information.
Improvements Workbench2 Webshell

Workbench2 now integrates the browser-based shell node access on its own
instead of redirecting to the older Workbench1. This includes support for
session auto-logout.
Workbench2 collection’s file browser

The new collection file browser allows navigating through more significant
collections faster by loading partial file listings on demand instead of
requesting the entire collection at once. This is most noticeable on
collections with many directories and/or files.
Group-sync tool improvements

This release’s group syncing tool arvados-sync-groups allows case
insensitive username matching as described on the admin guide
<https://doc.arvados.org/2.3/user/topics/arvados-sync-groups.html>.
Collection manifest handling

Collection manifest signing performance and caching are notably improved.
This will be most noticeable when dealing with really big data collections.
Other changes Workbench2 fixes

The pagination display now works correctly when showing empty tables.
Upload speed indication is now fixed showing MB/s instead of KB/s.
Data access fixes

WebDAV caching fix improves performance on huge collections. Fixed
occasional mount point deadlock bugs in the PySDK FUSE driver (arv-mount).
Deprecated database indexes

Removed deprecated full text search database indexes. These were unused and
sometimes interfered with creating collections with very large numbers of
files and directories.
Error reporting fixes

Request-ID propagation fixes improve error traceability and debugging.
Keepproxy spurious 413 error fix avoids future debugging confusion.
Python SDK fixes

Fixed the socket read timeout issues on collection create calls. Upgraded
python-rsa dependency to address the security advisory CVE-2020-13757.
Upgraded ruamel.yaml & google-api-python-client dependencies that were
causing issues to some users.
Misc fixes

Cached user records handling in a satellite cluster auto-resolves username
collisions. Removed unused users#update_uuid endpoint. Fixed container
locking issue & improved logging on dispatcher.

Thanks,

The Arvados Team
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