Each Full-Text Search engine has configuration parameters with default values, as shown in Table 6-3.
Parameter |
Description |
Default Value |
|---|---|---|
batch_size |
Determines the size of the batches sent to the Full-Text Search engine. |
500 |
batch_blocksize |
When enabled, the text server reads data in smaller chunks. This parameter instructs the text server to retrieve n number of rows at a time. Should be set to 0 (disabled) to 65535. |
0 |
max_indexes |
The maximum number of text indexes that will be created in the Full-Text Search engine. |
126 |
max_stacksize |
Size (in kilobytes) of the stack allocated for client threads. |
34,816 |
max_threads |
Maximum number of threads available for the Full-Text Search engine. |
50 |
max_packetsize |
Packet size sent between the Full-Text Search engine and the Adaptive Server. |
2048 |
max_sessions |
Maximum number of sessions for the Full-Text Search engine. |
100 |
min_sessions |
Minimum number of sessions for the Full-Text Search engine. |
10 |
language |
Language used by the Full-Text Search engine. |
us_english |
charset |
Character set used by the Full-Text Search engine. |
iso_1 |
vdkCharset |
Character set used by Verity search engine. |
850 |
vdkLanguage |
Language used by Verity search engine. |
english |
vdkHome |
Verity directory. |
UNIX: $SYBASE/$SYBASE_FTS/verity Windows NT: %SYBASE%\%SYBASE_FTS%\verity |
collDir |
Storage location of the Full-Text Search engine’s collection. |
UNIX: $SYBASE/$SYBASE_FTS/collections Windows NT: %SYBASE%\%SYBASE_FTS%\collections |
defaultDb |
Name of the Full-Text Search engine database that stores text index metadata. |
text_db |
interfaces |
Full path to the directory in which the interfaces file used by the Full-Text Search engine is located. |
UNIX: $SYBASE/interfaces Windows NT: %SYBASE%\ini\sql.ini |
sort_order |
Default sort order. |
0 |
errorLog |
Full path name to the error log file. |
The directory in which you start Full-Text Search engine |
traceflags |
String containing numeric identifiers used to generate diagnostic information. |
0 |
srv_traceflags |
String containing numeric flag identifiers used to generate Open Server diagnostic information. |
0 |
The Enhanced Full-Text Search engine has additional configuration parameters as shown in Table 6-4:
Parameter |
Description |
Default Value |
|---|---|---|
cluster_style |
Clustering style to use. |
Fixed |
cluster_max |
Maximum number of clusters to generate when cluster_style is set to Fixed. |
0 |
cluster_effort |
Amount of effort the Full-Text Search engine should expend on finding a good cluster. |
Default |
cluster_order |
The order to return clusters and rows within a cluster. |
0 |
auto_online |
Specifies whether to bring indexes online automatically when the Full-Text Search engine is started. 0 indicates online is not automatic; 1 indicates automatic. |
0 |
backDir |
The default location for the placement of text index backup files. |
UNIX: $SYBASE/$SYBASE_FTS/backup Windows NT: %SYBASE%\%SYBASE_FTS%\backup |
knowledge_base |
The location of a knowledge base map for implementing the Verity topics feature. |
null |
nocase |
Sets the case-sensitivity of the Full-Text Search engine. If you are using a case-sensitive sort order in Adaptive Server, set to 0. If you are using a case-insensitive sort order, set to 1. |
0 |
A sample configuration file that includes all of these parameters is copied to your installation directory during installation. The sample configuration file is named textsvr.cfg. The entire sample configuration file is listed in Appendix B, “Sample Files.”
