MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/99 through 09/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,216 19,678
2-4 a.m. 1,106 6,466
4-6 a.m. 1,168 8,934
6-8 a.m. 2,213 25,911
8-10 a.m. 6,386 68,357
10-12 a.m. 12,781 138,399
12-2 p.m. 12,415 141,785
2-4 p.m. 15,089 160,751
4-6 p.m. 9,780 104,256
6-8 p.m. 4,526 45,744
8-10 p.m. 3,675 35,314
10-12 p.m. 2,710 26,190
__________ _____________ _________________
Total: 74,065 781,785
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 0
Irvine 1,002
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 2
Lawrence Livermore 0
Los Alamos 0
MELWEB 63,341
Other - UC 2,386
Other-Network UC 7,332
_____
74,065
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 6
Davis 0
Irvine 2,597
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 482
Lawrence Livermore 0
Los Alamos 0
MELWEB 713,035
Other - UC 20,757
Other-Network UC 44,908
_____
781,785
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 3.3
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 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 21:19
Average session length (minutes:seconds) 20:31
Longest session recorded (minutes:seconds) 201:32
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 77.2
Retrievals per search - standard deviation 1076.5
Percent of searches completed with 0 results 29.6%
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 74,065 23.4%
PRESENT 211,886 66.8%
INIT or CLOSE 30,914 9.8%
OTHER 196 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 TITLE33,729 38.3% 7,540 22.4% 4 140.3 1536.0
EXACT PE TITLE 24,267 27.6% 5,548 22.9% 2 35.9 900.5
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 2,217 2.5% 1,940 87.5% 3 28.8 176.6
CORP AUTHOR 2,015 2.3% 1,359 67.4% 9 206.2 1003.2
EXACT CORP AUTH 236 0.3% 68 28.8% 5 25.9 97.7
SUBJECT 8,475 9.6% 5,175 61.1% 14 343.8 1500.0
EXACT SUBJECT 914 1.0% 302 33.0% 6 92.3 382.3
SERIES 296 0.3% 113 38.2% 11 153.6 572.6
EXACT SERIES 52 0.1% 31 59.6% 5 84.6 157.1
CODEN 11 0.0% 7 63.6% 1 1.3 0.5
ISBN 937 1.1% 936 99.9% 2 2.0 0.0
LCCN 32 0.0% 26 81.3% 1 1.0 0.0
ISSN 2,547 2.9% 237 9.3% 1 1.6 0.9
INDEXED BY 15 0.0% 13 86.7% 394 394.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 11 0.0% 1 9.1% 1 10.5 20.0
GOV'T DOC NUM 15 0.0% 12 80.0% 47 33.7 23.1
REPORT NUM 5 0.0% 5 100% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 11,988 13.6% 2,580 21.5% 2 47.0 513.0
RPE 181 0.2% 102 56.4% 13 302.6 1103.3
RXPE 70 0.1% 34 48.6% 8 23.6 48.1
Other indexes 50 0.1% 29 58.0% 107 598.2 1768.9
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 13,693 18.5% 3,895 28.4% 2 48.8 509.9
Single 60,372 81.5% 18,016 29.8% 3 123.8 1400.3
PRESENT commands, by type:
MARC 47.2%
OPAC 29.4%