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VSP-MEMORY OPTIMIZATION FOR httpd SERVER

When the httpd server is instrumented by VSP-Memory, decrease the VSP-Memory overhead by configuring the below settings in the file httpd.conf:

1. MinSpareServers 256

2. MaxSpareServers 256

3. MaxRequestsPerChild 0

In some configurations, httpd spawns multiple short-lived worker processes that handle only a single httpd request. VSP-Memory is non-optimal for short-lived processes. By applying these settings, httpd spawns a pool of worker processes that stay alive for the lifetime of httpd. This allows httpd under VSP-Memory to maintain near-native throughput.