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2007 Dec 13
2
backing up a database by locking while backup program runs
...fully up-to-date? The document at [1] makes it fairly clear that the answer is "Yes", but I'm a little doubtful about the status of that document, since there seem to be no links to it from the Xapian website. (The following Google query finds nothing: "link:www.xapian.org/docs/admin_notes.html".) [1] http://www.xapian.org/docs/admin_notes.html I propose to use a simple PHP script like the following in order to obtain the write lock: <?php $h = new XapianWritableDatabase("/my/Xapian/database", DB_OPEN); sleep(99999); Regards, Ronan.
2010 Jan 14
1
Latest revision and backwards compatibility
Greetings, I've been wondering about the index format and backwards compatibility. We're using the dev version (for chert) and each svn up means that any indexes created prior to this revision cannot be read. Is this purely a cautious move to prevent errors, and, barring any obvious index format changes, can I safely force the current revision to read existing indexes? eg, by
2011 Apr 12
1
How to rebuild database from scratch without preventing searches
I have a process which wants to recreate a database nightly (it takes ~10 minutes, and is much faster than trying to figure out what to remove and add from the existing contents). However, opening the database with the flag DB_CREATE_OR_OVERWRITE destroys the existing database and prevents searches from taking place until the rebuild process is finished. We'd like to rebuild the database
2015 Jan 26
2
delve not found
Hi all, Today I just cloned Xapian and Xapian-Docsprint from your GitHub repos and was working through the practical example in Python in your Getting Started with Xapian 1.2 guide. However after the index was generated, I wasn't able to inspect it with delve because the command was not found. My system set-up is a fresh install of Debian 7.8.0 as a virtual machine under Virtual Box, and I
2008 Jul 22
1
Xapian across multiple servers
Hi, We're looking to deploy Xapian as a search solution for a website that's run across a number of load-balanced web servers. However, I've not seen any clear indication in the documentation as to how it's recommended to operate Xapian in a load balanced / high availability configuration, or how to distribute the content-changes into the indexer. Has anyone got any particular
2010 Oct 14
1
Robust "online" xapian backup?
Hi. I'm struggling a bit with getting the Xapian indexes safely stored on tape. LVM snapshots is not really an option given the performance penalties of that technology. And the index often encounter writes in the time it takes for the backup to copy off the files. Thus the index is potentially unsafe on tape. I dont know much about Xapian's internal versioning of data, but I suspect it
2019 Jul 09
2
Transitioning notmuch/Xapian from 32-bit to 64-bit system
Hi! Suppose you have a huge notmuch/Xapian database, built on a 32-bit system (well, actually on x86_64-pc-linux-gnu, but using a years old 32-bit notmuch binary; notmuch 0.9, Xapian 1.2.21 -- don't laugh), and suppose you're finally going to update that years old notmuch installation (release by release, forward-porting a bunch of patches). Naturally, I'd now do a native 64-bit
2008 Nov 21
1
Multiple databases vs Single large database
Hi I've decided to use xapian because my files table in my mysql database is going to grow very large, and it seems mysql isn't good at full text searching. I'm doing this with the php wrapper by the way. The way my system is set out, each user has their own set of files, and when doing a search it is going to be for a specific user's file (based on file name, title,
2020 Mar 22
0
Unable to build RPM for Centos 7
...m 644 `test -f apidoc/html/index.html || echo ./`apidoc/html/*.html /root/rpmbuild/BUILDROOT/xapian-core-1.4.15-1.x86_64/usr/share/doc/xapian-core/apidoc/html ?/usr/bin/mkdir -p '/root/rpmbuild/BUILDROOT/xapian-core-1.4.15-1.x86_64/usr/share/doc/xapian-core' ?/usr/bin/install -c -m 644 admin_notes.html bm25.html collapsing.html deprecation.html facets.html geospatial.html glossary.html index.html install.html internals.html intro_ir.html matcherdesign.html overview.html postingsource.html queryparser.html remote.html replication.html scalability.html serialisation.html sorting.html sp...