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131 .IX Title "lh_stats 3"
132 .TH lh_stats 3 "2005-02-24" "0.9.7d" "OpenSSL"
134 lh_stats, lh_node_stats, lh_node_usage_stats, lh_stats_bio,
135 lh_node_stats_bio, lh_node_usage_stats_bio \- LHASH statistics
137 .IX Header "SYNOPSIS"
139 \& #include <openssl/lhash.h>
143 \& void lh_stats(LHASH *table, FILE *out);
144 \& void lh_node_stats(LHASH *table, FILE *out);
145 \& void lh_node_usage_stats(LHASH *table, FILE *out);
149 \& void lh_stats_bio(LHASH *table, BIO *out);
150 \& void lh_node_stats_bio(LHASH *table, BIO *out);
151 \& void lh_node_usage_stats_bio(LHASH *table, BIO *out);
154 .IX Header "DESCRIPTION"
155 The \fB\s-1LHASH\s0\fR structure records statistics about most aspects of
156 accessing the hash table. This is mostly a legacy of Eric Young
157 writing this library for the reasons of implementing what looked like
158 a nice algorithm rather than for a particular software product.
160 \&\fIlh_stats()\fR prints out statistics on the size of the hash table, how
161 many entries are in it, and the number and result of calls to the
162 routines in this library.
164 \&\fIlh_node_stats()\fR prints the number of entries for each 'bucket' in the
167 \&\fIlh_node_usage_stats()\fR prints out a short summary of the state of the
168 hash table. It prints the 'load' and the 'actual load'. The load is
169 the average number of data items per 'bucket' in the hash table. The
170 \&'actual load' is the average number of items per 'bucket', but only
171 for buckets which contain entries. So the 'actual load' is the
172 average number of searches that will need to find an item in the hash
173 table, while the 'load' is the average number that will be done to
176 \&\fIlh_stats_bio()\fR, \fIlh_node_stats_bio()\fR and \fIlh_node_usage_stats_bio()\fR
177 are the same as the above, except that the output goes to a \fB\s-1BIO\s0\fR.
179 .IX Header "RETURN VALUES"
180 These functions do not return values.
182 .IX Header "SEE ALSO"
183 \&\fIbio\fR\|(3), \fIlhash\fR\|(3)
186 These functions are available in all versions of SSLeay and OpenSSL.
188 This manpage is derived from the SSLeay documentation.