MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/01 through 06/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,941 38,591
2-4 a.m. 1,953 24,418
4-6 a.m. 564 7,552
6-8 a.m. 1,997 31,287
8-10 a.m. 4,489 82,712
10-12 a.m. 8,606 152,299
12-2 p.m. 9,241 172,556
2-4 p.m. 11,222 202,245
4-6 p.m. 8,021 146,162
6-8 p.m. 3,394 55,327
8-10 p.m. 2,471 32,357
10-12 p.m. 1,575 22,392
__________ _____________ _________________
Total: 56,474 967,898
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 967
Davis 1,464
Irvine 313
Los Angeles 538
Riverside 136
San Diego 719
San Francisco 937
Santa Barbara 672
Santa Cruz 339
Lawrence Berkeley 94
Lawrence Livermore 117
Los Alamos 0
MELWEB 22,222
Searchlight 9,646
Other - UC 16,901
Other-Network UC 1,409
_____
56,474
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10,022
Davis 21,309
Irvine 3,332
Los Angeles 10,444
Riverside 1,026
San Diego 11,357
San Francisco 7,889
Santa Barbara 6,624
Santa Cruz 6,012
Lawrence Berkeley 2,578
Lawrence Livermore 7,510
Los Alamos 0
MELWEB 452,625
Searchlight 37,490
Other - UC 362,601
Other-Network UC 27,079
_____
967,898
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 1.4
Standard deviation in seconds 5.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:20
Average session length (minutes:seconds) 14:48
Longest session recorded (minutes:seconds) 280:28
Average number of searches completed per session 0.0
Retrievals per search - median 4.0
Retrievals per search - average 483.2
Retrievals per search - standard deviation 5585.6
Percent of searches completed with 0 results 26.9%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 56,474 16.3%
PRESENT 264,288 76.2%
INIT or CLOSE 25,299 7.3%
OTHER 767 0.2%
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 26,123 34.2% 5,153 19.7% 13 190.6 1629.8
TITLE WORD 28,932 37.8% 8,852 30.6% 9 516.0 4313.8
EXACT TITLE 584 0.8% 327 56.0% 1 50.2 405.0
JOURNAL 5,050 6.6% 2,057 40.7% 12 2747.6 19902.0
EXACT JOURNAL 2,489 3.3% 1,023 41.1% 466 3433.7 9153.8
DATE 2,887 3.8% 508 17.6% 6 88.3 477.8
ADDED SINCE 4,861 6.4% 3,525 72.5% 3 17.9 267.9
SUBFILE 435 0.6% 131 30.1% 16 296.4 1823.5
LANGUAGE 915 1.2% 216 23.6% 21 301.7 2077.4
SUBJECT CATEGORY 443 0.6% 133 30.0% 10 92.0 466.3
PUB TYPE 476 0.6% 79 16.6% 16 232.4 1431.1
ISN 1 0.0% 0 0.0% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,216 4.2% 831 25.8% 20 631.6 4140.6
Other indexes 40 0.1% 31 77.5% 3 9.3 19.9
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 16,736 29.6% 6,443 38.5% 5 213.9 2245.0
Single 39,738 70.4% 8,728 22.0% 21 809.0 7409.5
PRESENT commands, by type:
MARC 62.3%
OPAC 23.9%
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