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enejb.openejb-core.3.1.4.source-code.default.instantdb.properties Maven / Gradle / Ivy

!---------------------------------------------------------------------
!  Licensed to the Apache Software Foundation (ASF) under one or more
!  contributor license agreements.  See the NOTICE file distributed with
!  this work for additional information regarding copyright ownership.
!  The ASF licenses this file to You under the Apache License, Version 2.0
!  (the "License"); you may not use this file except in compliance with
!  the License.  You may obtain a copy of the License at
!
!     http://www.apache.org/licenses/LICENSE-2.0
!
!  Unless required by applicable law or agreed to in writing, software
!  distributed under the License is distributed on an "AS IS" BASIS,
!  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
!  See the License for the specific language governing permissions and
!  limitations under the License.
!---------------------------------------------------------------------
!---------------------------------------------------------------------
!
! BASIC PROPERTIES
!
!---------------------------------------------------------------------

!
! Path where index tables are held. Can be absolute or relative 
! to the properties file. Defaults to tablePath.
!
indexPath=./database/indexes
!
! Path where system tables are held. Can be absolute or relative to 
! the properties file. Defaults to tablePath.
!
systemPath=./database/system
!
! Path where database tables are held. Can be absolute or relative 
! to the properties file. Defaults to "current" directory.
!
tablePath=./database/tables
!
! Path where results set tables are held. Can be absolute or relative 
! to the properties file. Defaults to tablePath.
!
tmpPath=./database/tmp
!
! Non-zero means paths are relative to the properties file. 
! Default is absolute paths for files.
!
relativeToProperties=1
!
! Alternative partitions can be defined so that tables can be placed
! in multiple locations. Each partition is numbered: 1, 2, 3,... Tables
! can be created on partitions using the syntax 
!
!   CREATE TABLE  ON PARTITION ...
!
! The partition count has to be supplied.
!
!partitionCount=2
!
! The locations of each partition must be supplied. These are always
! absolute path names.
!
!partition1=d:/petes
!partition2=c:/temp


!---------------------------------------------------------------------
!
! TUNING PROPERTIES
!
!---------------------------------------------------------------------

!
! The amount of each column to cache, expressed either as an absolute 
! number of rows or as a percentage figure. Defaults to 256 or 10 respectively.
!
! This value applies only when tables are first created. It has no effect
! when a table is being re-opened.
!
cacheAmount=512
!
! CACHE_ROWS Must be one of CACHE_ROWS or CACHE_PERCENT. Determines whether 
! to cache columns in tables based on an absolute number of rows, or the 
! percentage number of rows in the table. 
!
! This value applies only when tables are first created. It has no effect
! when a table is being re-opened.
!
cacheCondition=CACHE_ROWS
!
! The amount of the system tables to be cached. Defaults to 100.
!
! This value applies only when tables are first created. It has no effect
! when a table is being re-opened.
!
!systemCacheSize=10
!
! Similar to cacheCondition, but applies only to the system tables.
!
! This value applies only when tables are first created. It has no effect
! when a table is being re-opened.
!
!systemCacheCondition=CACHE_ROWS
!
! The percentage cache hit improvement required in order to move the 
! cache to a new location in a column. 
!
! (Currently not implemented).
!
cacheResetPercent=10
!
! Non-zero means that database changes do not get written to the 
! database immediately. See tuning.html. 
!
fastUpdate=0
!
! Percentage of free space in an index that must be present before 
! the index reorganises itself. High values means frequent index
! reorganisation. Low values means slow index inserts.
!
indexLoad=5
!
! The number of cache misses to include in calculations of the next 
! base for the cache. 
!
! (Currently not implemented).
!
missesInCacheStats=100
!
! Non-zero means that results sets get instantiated on disk. By default
! InstantDB holds results sets emtirely in memory (apart from Binary
! columns). For large results sets this can be a problem. This property
! forces all results sets to be held on disk.
!
resultsOnDisk=0
!
! Similar to cacheCondition but applies only to disk based
! results sets. Default is CACHE_ROWS.
!
resultsSetCache=CACHE_ROWS
!
! Similar to cacheAmount but applies only to disk based
! results sets. Default is 100.
!
resultsSetCacheAmount=100
!
! Number of rows to read into the disk read ahead buffer. 
! Recommended to be set somewhere around 128 to 256. 
! Default is 20.
!
rowCacheSize=128
!
! The read ahead buffer is effective at speeding up full
! table scans. However for indexed lookups or multiple
! simultaneous scans it is better to read a single row at
! a time. Each table holds a small number of single row
! buffers to improve such operations. Default is 8.
!
!singleRowCount=4
!
! Sometimes the look ahead buffer can be held by a single
! thread even though it is not retrieveing many values from it.
! If too many lookups retrieve data from the single row
! buffers then it is better to flush the look ahead buffer and
! make it available for re-use. Default is 128.
!
!flushAfterCacheMisses=64
!
! Number of rows to read ahead for system tables. By default
! system tables cache everything, so it is wasteful to have large
! read ahead buffers since they will very rarely be used. This
! allows the size of the system read ahead buffers to be reduced
! if necessary. Defaults to rowCacheSize.
!
!systemRows=20
!
! The control column in all tables normally has a large cache
! since this speeds up all operation on that table. This can be
! varied to either improve performance or to reduce space.
! default is 8192.
!
! This value applies only when tables are first created. It has no effect
! when a table is being re-opened.
!
!controlColCacheSize=512
!
! By default, InstantDB only does a cursory search for deleted rows during 
! UPDATE statements. Setting searchDeletes=1 causes more detailed searches 
! for deleted rows. This slows down UPDATE executions, but reults in more 
! compact tables.  Default is 0.
!
searchDeletes=0
!
! The interval, in milliseconds, between checks for statement execution
! timeouts. Default is 5000.
!
!timerCheck=5000

!---------------------------------------------------------------------
!
! LOGGING AND DEBUGGING PROPERTIES
!
!---------------------------------------------------------------------

!
! Non-zero means include SQL statements in the export file. 
!
exportSQL=0
!
! Non-zero means trace output also directed to console. 
! Defaults to 0.
!
traceConsole=0
!
! Relative or absolute path where exporting and tracing goes.
!
!traceFile=./logs/trace.log
!
! Bitmap of various items that can be traced. See debug.html. 
! Defaults to 0.
!
traceLevel=0

!---------------------------------------------------------------------
!
! TRANSACTION AND RECOVERY PROPERTIES
!
!---------------------------------------------------------------------

!
! 0 means do not perform recovery on startup.
! 1 means perform automatic recovery
! 2 (default) means prompt the user using standard in 
!
recoveryPolicy=1
!
! Sets the level of transaction journalling. See trans.html.
! Defaults to 1.
!
! 0 - No journalling takes place.
! 1 - Normal journalling (default).
! 2 - Full journalling.
!
transLevel=2
!
! When doing an import, defines the number of rows imported 
! before the transaction is committed. Recommended value 8192.
! defaults to 100.
!
transImports=100

!---------------------------------------------------------------------
!
! DATE, TIME AND CURRENCY PROPERTIES
!
!---------------------------------------------------------------------

!
! Number of digits after decimal point in currency outputs. Defaults to 2.
!
currencyDecimal=2
!
! Currency symbol used in currency outputs. Defaults to $.
!
currencySymbol=$
!
! Default format for date columns. Defaults to "yyyy-mm-dd".
!
dateFormat=yyyy-mm-dd
!
! Default format for timestamp columns. Defaults to "yyyy-mm-dd hh:mm:ss.lll".
!
dateTimeFormat=yyyy-mm-dd hh:mm:ss.lll
!
! If set, then all two digit dates less than its value are interpreted 
! as 21st century dates. 
!
!milleniumBoundary=50
!
! Set to 1 causes the date string "now" to store a full timestamp. 
! Default is to store only the date for fields with now hour in the 
! format string.
!
nowMeansTime=0

!---------------------------------------------------------------------
!
! STRING HANDLING PROPERTIES
!
!---------------------------------------------------------------------

!
! If set to 1 then String hashes use the JDK Object.hashCode() function.
! By default, uses InstantDB's String hashing.
!
altStringHashing=0
!
! Set to 1 to cause LIKE clauses to always perform case insensitive 
! comparisons. 
!
likeIgnoreCase=0
!
! Same as SET LITERAL STRICT_ON. Prevents string literals being interpreted
! as column names or numbers. Default is 0.
!
strictLiterals=0
!
! Set this value to 1 (one) if you would like PreparedStatement.setString()
! to ignore "\" (backslash) characters when proceesing string constants.
! When set, InstantDB will not attempt to interpret \ as the start of an
! escape sequence. Default is 0.
!
!prepareIgnoresEscapes=1

!---------------------------------------------------------------------
!
! MISCELLANEOUS PROPERTIES
!
!---------------------------------------------------------------------

!
! Allows selected InstantDB keywords to be un-reserved. 
! e.g. ignoreKeywords=url,quote would allow the keywords 
! url and quote to be used as table or column names. 
!
! This faciliy is provided for compatatbility reasons only.
! It's use is not recommended AND IS NOT SUPPORTED.
!
!ignoreKeywords
!
! Non-zero means database is opened in read only mode.
!
readOnly=0