MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/99 through 07/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,030 11,164
2-4 a.m. 1,052 6,527
4-6 a.m. 577 6,496
6-8 a.m. 1,460 18,620
8-10 a.m. 6,002 69,277
10-12 a.m. 10,619 122,732
12-2 p.m. 10,170 117,540
2-4 p.m. 11,735 124,365
4-6 p.m. 8,550 88,798
6-8 p.m. 3,596 42,231
8-10 p.m. 2,652 23,503
10-12 p.m. 2,223 19,053
__________ _____________ _________________
Total: 60,666 650,306
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 1
Davis 1
Irvine 1,272
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 4
Lawrence Livermore 0
Los Alamos 0
MELWEB 52,173
Other - UC 1,917
Other-Network UC 5,298
_____
60,666
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 3,994
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 45
Lawrence Livermore 0
Los Alamos 0
MELWEB 606,476
Other - UC 18,116
Other-Network UC 21,675
_____
650,306
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 0.3
Standard deviation in seconds 4.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 21:26
Average session length (minutes:seconds) 21:26
Longest session recorded (minutes:seconds) 451:59
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 72.4
Retrievals per search - standard deviation 953.4
Percent of searches completed with 0 results 31.7%
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 60,666 23.2%
PRESENT 176,909 67.5%
INIT or CLOSE 24,195 9.2%
OTHER 215 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:
PERIODICAL TITLE29,102 40.3% 6,941 23.8% 5 127.6 1232.2
EXACT PE TITLE 18,423 25.5% 4,855 26.4% 2 42.5 1087.0
RELATED PE TITLE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT RELATED PE 0 0.0% 0 0.0% 0 0.0 0.0
PERSONAL AUTHOR 1,623 2.2% 1,467 90.4% 3 14.1 61.1
CORP AUTHOR 1,824 2.5% 1,297 71.1% 7 144.6 658.9
EXACT CORP AUTH 199 0.3% 48 24.1% 2 28.5 82.3
SUBJECT 6,765 9.4% 4,234 62.6% 16 332.5 1364.8
EXACT SUBJECT 589 0.8% 177 30.1% 9 102.8 358.0
SERIES 98 0.1% 80 81.6% 4 48.8 114.7
EXACT SERIES 16 0.0% 7 43.8% 2 53.9 154.2
CODEN 9 0.0% 6 66.7% 1 1.0 0.0
ISBN 780 1.1% 780 100% 0 0.0 0.0
LCCN 24 0.0% 24 100% 0 0.0 0.0
ISSN 2,298 3.2% 280 12.2% 1 1.5 0.9
INDEXED BY 14 0.0% 14 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 23 0.0% 11 47.8% 1 2.2 4.0
GOV'T DOC NUM 13 0.0% 12 92.3% 46 46.0 0.0
REPORT NUM 6 0.0% 5 83.3% 1 1.0 0.0
STOCK NUM 4 0.0% 4 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 1 50.0% 1 1.0 0.0
AT 10,042 13.9% 2,858 28.5% 2 39.9 250.3
RPE 192 0.3% 117 60.9% 5 139.9 713.6
RXPE 53 0.1% 31 58.5% 3 6.4 9.3
Other indexes 52 0.1% 42 80.8% 1,142 1896.0 2274.3
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 11,175 18.4% 3,829 34.3% 2 40.4 251.5
Single 49,491 81.6% 15,378 31.1% 3 120.1 1263.9
PRESENT commands, by type:
MARC 45.8%
OPAC 30.9%