MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/99 through 01/31/99
1.0 SUMMARY STATISTICS
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Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 445 9,872
2-4 a.m. 218 6,119
4-6 a.m. 194 4,023
6-8 a.m. 471 9,139
8-10 a.m. 3,158 70,713
10-12 a.m. 6,800 137,718
12-2 p.m. 7,190 162,392
2-4 p.m. 8,560 195,811
4-6 p.m. 7,195 154,154
6-8 p.m. 3,175 65,241
8-10 p.m. 2,018 36,547
10-12 p.m. 1,366 26,877
__________ _____________ _________________
Total: 40,790 878,606
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 855
Davis 810
Irvine 477
Los Angeles 312
Riverside 49
San Diego 873
San Francisco 316
Santa Barbara 384
Santa Cruz 9
Lawrence Berkeley 216
Lawrence Livermore 434
Los Alamos 0
MELWEB 34,501
Other - UC 884
Other-Network UC 670
_____
40,790
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,443
Davis 11,336
Irvine 4,132
Los Angeles 3,259
Riverside 406
San Diego 3,193
San Francisco 1,905
Santa Barbara 3,197
Santa Cruz 106
Lawrence Berkeley 3,163
Lawrence Livermore 4,647
Los Alamos 0
MELWEB 812,425
Other - UC 9,207
Other-Network UC 10,187
_____
878,606
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.5
Standard deviation in seconds 7.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.9
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 22:47
Average session length (minutes:seconds) 23:26
Longest session recorded (minutes:seconds) 222:42
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 806.2
Retrievals per search - standard deviation 7998.4
Percent of searches completed with 0 results 27.9%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 40,789 15.2%
PRESENT 215,378 80.4%
INIT or CLOSE 11,405 4.3%
OTHER 189 0.1%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERSONAL AUTHOR 17,450 31.1% 3,726 21.4% 19 259.9 2479.1
TITLE WORD 21,118 37.7% 6,840 32.4% 17 962.7 6260.7
EXACT TITLE 585 1.0% 383 65.5% 2 50.8 180.2
JOURNAL 5,142 9.2% 2,563 49.8% 35 4550.9 26823.4
EXACT JOURNAL 1,732 3.1% 520 30.0% 765 3733.5 7463.1
DATE 1,906 3.4% 469 24.6% 13 224.6 1538.3
ADDED SINCE 120 0.2% 68 56.7% 8 413.4 2811.0
SUBFILE 451 0.8% 154 34.1% 40 339.4 1728.2
LANGUAGE 1,341 2.4% 410 30.6% 37 508.5 2874.6
SUBJECT CATEGORY 1,123 2.0% 456 40.6% 20 426.6 2716.1
PUB TYPE 651 1.2% 169 26.0% 31 809.3 8191.7
ISN 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,416 7.9% 1,453 32.9% 30 1176.7 11021.4
Other indexes 0 0.0% 0 0.0% 0 0.0 0.0
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 11,357 27.8% 4,235 37.3% 13 713.7 7640.5
Single 29,432 72.2% 7,140 24.3% 28 1247.1 9893.7
PRESENT commands, by type:
MARC 55.4%
OPAC 20.8%