ESAWRITE is the data collection component of ESAMON. By
dynamically reducing raw monitor data into history files,
ESAWRITE eliminates the need to write raw monitor data to disk
or tape.
ESAWRITE was made a stand-alone product in
response to customer requests and is a complementary product to
ESAMAP. ESAWRITE controls the collection, manipulation, and
reduction of raw monitor data. ESAMAP reports may be run at any
time using the history files. By continuously reducing raw
monitor data to history files, ESAWRITE decreases DASD
requirements for performance data by up to 95% without
sacrificing performance information. The released DASD results
in measurable cost savings and makes the disk space available
for other applications. Tivoli's
Performance Reporter supports ESAWRITE history data as
input, eliminating the need to create raw monitor data, and
replacing the need to run a third product to reduce the monitor
data.
Features and Benefits
ESAWRITE Eliminates the need to store raw data ever again.
DASD requirements for performance data are reduced by up to 95% by eliminating
the need to store raw monitor data before processing by ESAMAP.
ESAMAP's run-time, CPU and main storage requirements are significantly
reduced.
ESAWRITE can be customized to automate history data collection and ESAMAP
report generation.
Parameters provide for user-specification of intervals for history data;
user class groupings; transaction classes; and user service level analysis
information.
Other extracts may be dynamically created in addition to the history files.
For example, ESAWRITE can automatically create an extract file for export
to MICS(TM).
Control of ESAWRITE parameters is limited to authorized users.
Interfaces provided from History Archive (performance database) to capacity
planning tools such as MICS, SLR, SAS, and VMPAF.
