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Author SHA1 Message Date
Alan Orth
f65089f9ce CHANGELOG.md: Update and move to 0.4.3 release v0.4.3 2018-10-17 09:51:44 +03:00
Alan Orth
1db5cf1c29 README.md: Grammar 2018-10-17 09:51:35 +03:00
Alan Orth
e581c4b1aa README.md: Improve documentation 2018-10-17 09:50:30 +03:00
Alan Orth
e8d356c9ca README.md: Add TODO about Python 3.6+ f-string syntax 
They are faster.
 2018-10-17 09:13:25 +03:00
Alan Orth
34a9b8d629 CHANGELOG.md: Add unreleased changes for Travis CI 2018-10-14 19:02:09 +03:00
Alan Orth
41e3d66a0e .travis.yml: Only build master branch 2018-10-14 19:00:31 +03:00
Alan Orth
9b2a6137b4 README.md: Add Travis CI badge 
For now this is only an indicator that the Python requirements can
be satisfied and installed.
 2018-10-14 18:58:12 +03:00
Alan Orth
600b986f99 .travis.yml: Use Python 3.7-dev instead of 3.7 
I don't think Travis supports Python 3.7 yet because the builds for
that version keep failing.
 2018-10-14 18:57:30 +03:00
Alan Orth
49a7790794 .travis.yml: Move script to one line 2018-10-14 18:53:45 +03:00
Alan Orth
f2deba627c .travis.yml: Run pip install as script 
Basically for now there are no tests so I just want to just check
that requirements.txt is correct and that all dependencies can be
installed.
 2018-10-14 18:47:14 +03:00
Alan Orth
9323513794 README.md: Update instructions 2018-10-14 18:45:40 +03:00
Alan Orth
daf15610f2 CHANGELOG.md: Update changes and move to 0.4.2 v0.4.2 2018-10-05 00:19:18 +03:00
Alan Orth
4ede966dbb indexer.py: Fix logic error in SQL insert 
This was inserting correctly on the first run, but subsequent runs
were inserting into the incorrect column on conflict. This made it
seem like there were downloads for items where there were none.
 2018-10-05 00:16:24 +03:00
Alan Orth
3580473a6d README.md: Add TODO about JSON in PostgreSQL 2018-10-03 20:08:18 +03:00
Alan Orth
071c24535f README.md: Add TODO about API versions 2018-10-03 11:12:18 +03:00
Alan Orth
4291aecac4 README.md: Formatting 2018-09-27 12:45:15 +03:00
Alan Orth
46bf537e88 CHANGELOG.md: Add note about cursor change 2018-09-27 11:08:42 +03:00
Alan Orth
eaca5354d3 app.py: Iterate directly on cursor 
We don't need to create an intermediate variable for the results of
the SQL query because psycopg2's cursor is iterable.

See: http://initd.org/psycopg/docs/cursor.html
 2018-09-27 11:03:44 +03:00
Alan Orth
4600288ee4 CHANGELOG.md: Add note about ujson 2018-09-27 09:53:42 +03:00
Alan Orth
8179563378 requirements.txt: pip freeze 2018-09-27 09:53:16 +03:00
Alan Orth
b14c3eef4d indexer.py: Use ujson instead of json 
Falcon optionally makes use of the ujson library to speed up media
(de)serialization, error serialization, and query string parsing.

See: https://falcon.readthedocs.io/en/stable/user/install.html
 2018-09-27 09:51:40 +03:00
Alan Orth
71a789b13f CHANGELOG.md. Add unreleased changes 2018-09-27 09:30:48 +03:00
Alan Orth
c68ddacaa4 README.md: Add note about systemd units for deployment 2018-09-27 09:26:47 +03:00
Alan Orth
9c9e79769e README.md: Add TODO 2018-09-27 09:17:45 +03:00
Alan Orth
2ad5ade556 README.md: Improve introduction 2018-09-27 09:12:52 +03:00
Alan Orth
7412a09670 README.md: Improve introduction 2018-09-27 09:07:28 +03:00
Alan Orth
bb744a00b8 README.md: Add requirements 2018-09-27 08:57:27 +03:00
Alan Orth
7499b89d99 CHANGELOG.md: Move unreleased changes to v0.4.1 v0.4.1 2018-09-27 08:15:54 +03:00
Alan Orth
2c1e4952b1 indexer.py: Remove comment 
I had left this there so I could remember how to get the number of
facets, but I don't need it anymore.
 2018-09-26 23:27:48 +03:00
Alan Orth
379f202c3f CHANGELOG.md: Add unreleased changes 2018-09-26 23:26:48 +03:00
Alan Orth
560fa6056d README.md: Remove batch inserts from TODO 2018-09-26 23:25:35 +03:00
Alan Orth
385a34e5d0 indexer.py: Use psycopg2's execute_values to batch inserts 
Batch inserts are much faster than a series of individual inserts
because they drastically reduce the overhead caused by round-trip
communication with the server. My tests in development confirm:

  - cursor.execute(): 19 seconds
  - execute_values(): 14 seconds

I'm currently only working with 4,500 rows, but I will experiment
with larger data sets, as well as larger batches. For example, on
the PostgreSQL mailing list a user reports doing 10,000 rows with
a page size of 100.

See: http://initd.org/psycopg/docs/extras.html#psycopg2.extras.execute_values
See: https://github.com/psycopg/psycopg2/issues/491#issuecomment-276551038
 2018-09-26 23:10:29 +03:00
Alan Orth
d0ea62d2bd database.py: Use one line for psycopg2 imports 2018-09-26 22:23:24 +03:00
Alan Orth
366ae25b8e README.md: Add link to psycopg2 issue about batch inserts 2018-09-26 22:23:08 +03:00
Alan Orth
0f3054ae03 README.md: Add TODO about batch DB inserts 2018-09-26 16:31:13 +03:00
Alan Orth
6bf34235d4 CHANGELOG.md: Move unreleased changes to version 0.4.0 v0.4.0 2018-09-26 02:51:27 +03:00
Alan Orth
e604d8ca81 indexer.py: Major refactor 
Basically Solr's numFound has nothing to do with the actual number
of distinct facets that are returned. You need to use Solr's stats
component to get the number of distinct facets, aka countDistinct.
This is apparently deprecated in newer Solr versions, but we're on
version 4.10 and it works there.

Also, I realized that there is no need to return facets for items
without any views or downloads. Using facet.mincount=1 reduces the
result set size and also means we can store less data in the data-
base. The API returns HTTP 404 Not Found if an item is not in the
database anyways.

I can't figure it out exactly, but there is some weird issue with
Solr's facet results when you don't use facet.mincount=1. For some
reason you get tons of results with an id that doesn't even exist
in the document database, let alone as an actual DSpace item!

See: https://lucene.apache.org/solr/guide/6_6/the-stats-component.html
 2018-09-26 02:41:10 +03:00
Alan Orth
fc35b816f3 CHANGELOG.md: Add unreleased changes 2018-09-25 23:09:44 +03:00
Alan Orth
9e6a2f7559 contrib/dspace-statistics-indexer.timer: Fix syntax 
You can test OnCalendar strings using systemd-analyze calendar, eg:

    # systemd-analyze calendar '*-*-* 06:00:00,18:00:00'
    Failed to parse calendar specification '*-*-* 06:00:00,18:00:00':
    Invalid argument
    # systemd-analyze calendar '*-*-* 06,18:00:00'
    Normalized form: *-*-* 06,18:00:00
        Next elapse: Wed 2018-09-26 06:00:00 EEST
           (in UTC): Wed 2018-09-26 03:00:00 UTC
           From now: 6h left
 2018-09-25 23:07:03 +03:00
Alan Orth
46cfc3ffbc CHANGELOG.md: Release version 0.3.2 v0.3.2 2018-09-25 13:14:08 +03:00
Alan Orth
2850035a4c Return HTTP 404 when an item id is not found 2018-09-25 13:12:53 +03:00
Alan Orth
c0b550109a README.md: Improve wording 2018-09-25 12:24:52 +03:00
Alan Orth
bfceffd84d indexer.py: Improve inline documentation 2018-09-25 12:23:31 +03:00
Alan Orth
d0552f5047 CHANGELOG.md: Move unreleased changes to version 0.3.1 v0.3.1 2018-09-25 12:18:26 +03:00
Alan Orth
c3a0bf7f44 CHANGELOG.md: Add Python 3.7 to Travis CI config 2018-09-25 12:17:49 +03:00
Alan Orth
6e47e9c9ee .travis.yml: Add Python 3.7 2018-09-25 12:17:20 +03:00
Alan Orth
cd90d618d6 CHANGELOG.md: Fix error in old release 2018-09-25 12:17:01 +03:00
Alan Orth
280d211d56 CHANGELOG.md: Add note about kazoo 2.5.0 2018-09-25 12:12:10 +03:00
Alan Orth
806d63137f requirements.txt: Use kazoo 2.5.0 
SolrClient 0.2.1 currently depends on kazoo 2.2.1, but there is an
issue with Python 3.7 in kazoo <= 2.5.0. Kazoo 2.5.0 fixes the is-
sue with Python 3.7, and for my limited usage of SolrClient it se-
ems to work fine.

See: https://github.com/moonlitesolutions/SolrClient/issues/79
 2018-09-25 12:08:28 +03:00
Alan Orth
f7c7390e4f README.md: Add note about Python 3.7 2018-09-25 12:07:58 +03:00