Performance Tuning Guide - EMC Community Network
Performance Tuning Guide - EMC Community Network
Performance Tuning Guide - EMC Community Network
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Measuring <strong>Performance</strong><br />
Figure 29. Result set sizes and service times<br />
Change the application code to use collections instead of multiple fetches. For example, replace<br />
retrievals with select r_object_id, attr1, attr2, … from … and replace updates with<br />
update type … set attr1=…, set attr2=…, where ….<br />
Analyzing many small RPC calls<br />
For many small queries, run a histogram of trace data using the trace_rpc_histD6.awk script<br />
(Figure 30, page 78). Focus your attention on high yield RPCs (highlighted rows in Figure 30,<br />
page 78). Maximizing query yield, page 36 provides information on maximizing your query<br />
yield. The trace_rpc_histD6.awk script is available on the <strong>EMC</strong> <strong>Community</strong> <strong>Network</strong><br />
(https://community.emc.com/docs/DOC-6355)<br />
<strong>EMC</strong> Documentum xCP 1.0 <strong>Performance</strong> <strong>Tuning</strong> <strong>Guide</strong> 77
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