Tutorial Topics

Half-day Tutorial

Setup

Intro

swh, 5 mins

Setup and install

njl, 30 mins

Requirements, Installation.

Building clusters

njl, 20 mins

Kickstart and cloning, Cluster config file, Infrastructure.

Administration

mmt, 20 mins

Backup and restore, filesystem, scripted, Logging, Metadata / filesystem layout /var/lib

Break

Using

Importing data

njl, 25 mins

Bulk importing (-v), Optimising imports

RDF formats (Rasqal issues w/ Turtle).

Imports don't parallelise.

HTTP v's command line, pick one.

SPARUL (-U).

Hands-on demo

all, 1 hour

Scalability

mmt, 20 mins

Hash collisions, resource counts.

RAM consumption, out of RAM effects.

Quantity of predicates.

Break

Querying

swh, 20 mins

FROM (NAMED)

Result syntaxes (Accept: header).

Known bugs/deficiencies.

Soft limits & soft limit warning.

Optimising Queries

swh, 20 mins

FILTERs slow, patterns fast.

Known predicates fast.

Significant optimisations.

CONSTRUCT and LinkedData.

LIMIT & OFFSET.

Advanced Stuff (will probably not cover)

EXPLAIN syntax. Index structure Dumping rhashes Dumping ptrees