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140 .IX Title "lh_stats 3"
141 .TH lh_stats 3 "0.9.6e" "2000-04-13" "OpenSSL"
144 lh_stats, lh_node_stats, lh_node_usage_stats, lh_stats_bio,
145 lh_node_stats_bio, lh_node_usage_stats_bio \- \s-1LHASH\s0 statistics
147 .IX Header "SYNOPSIS"
149 \& #include <openssl/lhash.h>
152 \& void lh_stats(LHASH *table, FILE *out);
153 \& void lh_node_stats(LHASH *table, FILE *out);
154 \& void lh_node_usage_stats(LHASH *table, FILE *out);
157 \& void lh_stats_bio(LHASH *table, BIO *out);
158 \& void lh_node_stats_bio(LHASH *table, BIO *out);
159 \& void lh_node_usage_stats_bio(LHASH *table, BIO *out);
162 .IX Header "DESCRIPTION"
163 The \fB\s-1LHASH\s0\fR structure records statistics about most aspects of
164 accessing the hash table. This is mostly a legacy of Eric Young
165 writing this library for the reasons of implementing what looked like
166 a nice algorithm rather than for a particular software product.
168 \&\fIlh_stats()\fR prints out statistics on the size of the hash table, how
169 many entries are in it, and the number and result of calls to the
170 routines in this library.
172 \&\fIlh_node_stats()\fR prints the number of entries for each 'bucket' in the
175 \&\fIlh_node_usage_stats()\fR prints out a short summary of the state of the
176 hash table. It prints the 'load' and the 'actual load'. The load is
177 the average number of data items per 'bucket' in the hash table. The
178 \&'actual load' is the average number of items per 'bucket', but only
179 for buckets which contain entries. So the 'actual load' is the
180 average number of searches that will need to find an item in the hash
181 table, while the 'load' is the average number that will be done to
184 \&\fIlh_stats_bio()\fR, \fIlh_node_stats_bio()\fR and \fIlh_node_usage_stats_bio()\fR
185 are the same as the above, except that the output goes to a \fB\s-1BIO\s0\fR.
187 .IX Header "RETURN VALUES"
188 These functions do not return values.
190 .IX Header "SEE ALSO"
194 These functions are available in all versions of SSLeay and OpenSSL.
196 This manpage is derived from the SSLeay documentation.