MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/13/01 through 01/19/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,155 13,887
2-4 a.m. 692 7,142
4-6 a.m. 587 3,895
6-8 a.m. 1,036 15,416
8-10 a.m. 2,714 58,993
10-12 a.m. 5,471 145,035
12-2 p.m. 6,165 155,376
2-4 p.m. 7,242 147,488
4-6 p.m. 5,547 115,381
6-8 p.m. 3,268 63,643
8-10 p.m. 1,780 35,900
10-12 p.m. 1,811 27,016
__________ _____________ _________________
Total: 37,468 789,172
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 84
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 27,941
Searchlight 2,244
Other - UC 304
Other-Network UC 6,895
_____
37,468
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 140
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 773,257
Searchlight 0
Other - UC 3,270
Other-Network UC 12,505
_____
789,172
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.2
Standard deviation in seconds 1.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:19
Average session length (minutes:seconds) 16:55
Longest session recorded (minutes:seconds) 191:12
Average number of searches completed per session 37468
Retrievals per search - median 1.0
Retrievals per search - average 76.1
Retrievals per search - standard deviation 1061.8
Percent of searches completed with 0 results 37.7%
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 37,468 18.2%
PRESENT 147,765 71.9%
INIT or CLOSE 20,102 9.8%
OTHER 58 0.0%
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 TITLE17,904 40.1% 6,334 35.4% 5 169.8 1650.4
EXACT PE TITLE 8,593 19.3% 2,045 23.8% 2 44.1 1039.4
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 1,168 2.6% 1,048 89.7% 3 28.6 86.2
CORP AUTHOR 1,556 3.5% 1,260 81.0% 6 90.7 290.1
EXACT CORP AUTH 115 0.3% 52 45.2% 5 104.8 260.0
SUBJECT 3,679 8.2% 2,253 61.2% 15 328.7 1279.3
EXACT SUBJECT 288 0.6% 105 36.5% 13 491.6 2302.7
SERIES 44 0.1% 35 79.5% 1 7.1 17.2
EXACT SERIES 6 0.0% 2 33.3% 7 107.3 205.2
CODEN 22 0.0% 11 50.0% 1 1.2 0.4
ISBN 1,703 3.8% 1,701 99.9% 4 3.5 0.7
LCCN 110 0.2% 102 92.7% 1 1.3 0.5
ISSN 3,543 7.9% 274 7.7% 1 1.7 1.3
INDEXED BY 2 0.0% 2 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 50 0.1% 50 100% 0 0.0 0.0
GOV'T DOC NUM 7 0.0% 7 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 5,718 12.8% 1,503 26.3% 3 45.7 332.2
RPE 58 0.1% 43 74.1% 5 18.8 26.6
RXPE 14 0.0% 8 57.1% 5 10.3 13.2
Other indexes 38 0.1% 30 78.9% 909 996.3 481.2
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 6,941 18.5% 2,552 36.8% 3 46.7 329.4
Single 30,527 81.5% 11,586 38.0% 3 139.6 1482.1
PRESENT commands, by type:
MARC 28.4%
OPAC 20.4%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)