Format; Example; Records.config - HP P4535A - Web Cache Server Appliance Administrator's Manual

Appendix D

Format

For each partition you want to create, enter a line with the following format:
partition=partition_number
where:
partition_number
protocol_type
other content is stored in the
partition_size
of the total cache space or an absolute value. The absolute value must be a multiple of 128 MB, where 128 MB
is the smallest value. If you specify a percentage, the size is rounded down to the closest multiple of 128 MB.
Each partition is striped across several disks to achieve parallel I/O. For example, if there are 4 disks, a 1 GB
partition will have 256 MB on each disk (assuming each disk has enough free space available).
NOTE

Example

The following example partitions the cache evenly between HTTP and streaming media requests:
partition=1 scheme=http size=50%
partition=2 scheme=mixt size=50%

records.config

The
records.config
lists and describes these variables.
Many of the variables in the
in Traffic Manager or Traffic Line. Certain configuration options can be set only by editing variables manually
in the
records.config
WARNING
IMPORTANT
Format
Each variable has the following format:
CONFIG variable_name DATATYPE variable_value
where DATATYPE is
scheme=protocol_type
is a number between 1 and 255 (the maximum nuber of partitions is 255).
is either or (all streaming media content is stored in the
http mixt
partition).
http
is the amount of cache space allocated to the partition. This value can be either a percentage
If you do not allocate all the disk space in the cache, the extra disk space is not used.
You can use the extra space at a later time to create new partitions without deleting and
clearing the existing partitions.
file is a list of configurable variables that Traffic Server software uses. This section
records.config
file.
Do not change the
records.config
Many variables are coupled, meaning that they interact with other variables. Changing a
single variable in isolation could cause the Traffic Server to fail. Whenever possible, use
Traffic Manager or Traffic Line to configure the Traffic Server.
After you modify the
records.config
configuration files. Run the
you need only run the command for one node; the changes will propagate.
(an integer),
INT STRING
size=partition_size
file are set automatically when you set configuration options
variables unless you are certain of the effect.
file, Traffic Manager has to reread the
command. If you are running a cluster,
traffic_line -x
(a string), or (a floating point).
FLOAT
Configuration Files
partition, all
mixt
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