blazegraph.properties

#
# Note: These options are applied when the journal and the triple store are
# first created.

##
## Journal options.
##

# The backing file. This contains all your data.  You want to put this someplace
# safe.  The default locator will wind up in the directory from which you start
# your servlet container.
com.bigdata.journal.AbstractJournal.file=/dist/blazegraph.jnl

# The persistence engine.  Use 'Disk' for the WORM or 'DiskRW' for the RWStore.
com.bigdata.journal.AbstractJournal.bufferMode=DiskRW

# Setup for the RWStore recycler rather than session protection.
com.bigdata.service.AbstractTransactionService.minReleaseAge=1

# Enable group commit. See http://wiki.blazegraph.com/wiki/index.php/GroupCommit
# Note: Group commit is a beta feature in BlazeGraph release 1.5.1.
#com.bigdata.journal.Journal.groupCommit=true

com.bigdata.btree.writeRetentionQueue.capacity=4000
com.bigdata.btree.BTree.branchingFactor=128

# 200M initial extent.
com.bigdata.journal.AbstractJournal.initialExtent=209715200
com.bigdata.journal.AbstractJournal.maximumExtent=209715200

##
## Setup for QUADS mode without the full text index.
##
com.bigdata.rdf.sail.truthMaintenance=false
com.bigdata.rdf.store.AbstractTripleStore.quads=true
com.bigdata.rdf.store.AbstractTripleStore.statementIdentifiers=false
com.bigdata.rdf.store.AbstractTripleStore.textIndex=false
com.bigdata.rdf.store.AbstractTripleStore.axiomsClass=com.bigdata.rdf.axioms.NoAxioms

# Bump up the branching factor for the lexicon indices on the default kb.
com.bigdata.namespace.kb.lex.com.bigdata.btree.BTree.branchingFactor=400

# Bump up the branching factor for the statement indices on the default kb.
com.bigdata.namespace.kb.spo.com.bigdata.btree.BTree.branchingFactor=1024

# Uncomment to enable collection of OS level performance counters.  When
# collected they will be self-reported through the /counters servlet and
# the workbench "Performance" tab.
#
# com.bigdata.journal.Journal.collectPlatformStatistics=true