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Commit 1b57a7ae
authored
2018-03-13 19:10:07 +0100
by
Julien Muchembled
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Release version 1.9
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27229793
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CHANGELOG.rst
UPGRADE.rst
setup.py
CHANGELOG.rst
View file @
1b57a7a
Change History
==============
1.9 (2018-03-13)
----------------
A lot of performance improvements have been done on storage nodes for this
release, and some of them required changes in the storage format. In short,
the migration is done automatically, but you may want to read UPGRADE notes
for more details.
Performance:
- Speed up replication by sending bigger network packets,
and by not getting object next_serial for nothing.
- Speed up reads by indexing 'obj' primarily by 'oid' (instead of 'tid').
- Optimize storage layout of raw data for replication.
Other storage changes:
- Disable data deduplication by default. --dedup option added.
- importer: do not crash if a backup cluster tries to replicate.
- importer: preserve 'packed' flag.
Master:
- Fix possible failure when reading data in a backup cluster with replicas.
- Fix generation of TID.
- Fix resumption of backup replication (internal or not).
Client:
- New 'cache-size' Storage option.
- Cache hit/miss statistics.
- Fix accounting of cache size.
- Preserve 'packed' flag on iteration.
- At startup, or after nodes are back, full load balancing could be prevented
until some data are written.
Other:
- neolog: --from option now also tries to parse with `dateutil`_.
- neolog: add support for xz-compressed logs, using external xzcat commands.
.. _dateutil: https://dateutil.readthedocs.io/
1.8.1 (2017-11-07)
------------------
...
...
UPGRADE.rst
View file @
1b57a7a
NEO 1.9
=======
The `obj` table in MySQL/SQLite backends is automatically upgraded at startup.
Note however that rewritting this table can take a lot of time if you have a
lot of object records.
This migration is reversible but you'd have to dig into the migration code
(``DatabaseManager._migrate2()``) and do manually the opposite SQL queries.
The change in the `data` table is such that no migration is done (like for NEO
1.4, it's optional and it would cost too much). For optimal performance, you
may prefer to set up new nodes (and drop the old ones once the replication
is finished).
Because there's no change in the protocol, it's actually possible to mix nodes
with versions 1.8.1 and 1.9, and avoid any downtime because of the migration.
NEO 1.6
=======
...
...
setup.py
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1b57a7a
...
...
@@ -60,7 +60,7 @@ else:
setup
(
name
=
'neoppod'
,
version
=
'1.
8.1
'
,
version
=
'1.
9
'
,
description
=
__doc__
.
strip
(),
author
=
'Nexedi SA'
,
author_email
=
'neo-dev@erp5.org'
,
...
...
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