MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/19/02 through 01/25/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,495 16,589
2-4 a.m. 948 8,149
4-6 a.m. 1,322 9,429
6-8 a.m. 2,706 14,723
8-10 a.m. 5,546 76,196
10-12 a.m. 8,806 149,186
12-2 p.m. 9,561 157,853
2-4 p.m. 10,197 198,554
4-6 p.m. 7,004 118,794
6-8 p.m. 4,160 70,188
8-10 p.m. 2,660 51,667
10-12 p.m. 2,097 27,634
__________ _____________ _________________
Total: 56,502 898,962
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 3
Irvine 43
Los Angeles 15
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 1
Los Alamos 0
MELWEB 39,930
Searchlight 1,475
Other - UC 201
Other-Network UC 14,832
_____
56,502
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 11
Irvine 63
Los Angeles 22
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 29
Los Alamos 0
MELWEB 863,503
Searchlight 0
Other - UC 1,618
Other-Network UC 33,716
_____
898,962
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 1.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:02
Average session length (minutes:seconds) 15:55
Longest session recorded (minutes:seconds) 177:57
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 70.7
Retrievals per search - standard deviation 960.0
Percent of searches completed with 0 results 36.4%
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 56,502 20.3%
PRESENT 187,349 67.3%
INIT or CLOSE 34,646 12.4%
OTHER 74 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 TITLE24,861 38.4% 9,285 37.3% 6 184.9 1509.7
EXACT PE TITLE 11,119 17.2% 2,493 22.4% 2 49.7 1143.4
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 1,544 2.4% 1,430 92.6% 2 20.6 86.4
CORP AUTHOR 2,747 4.2% 2,368 86.2% 6 102.7 579.0
EXACT CORP AUTH 174 0.3% 103 59.2% 6 68.7 184.3
SUBJECT 3,808 5.9% 2,375 62.4% 15 321.9 1269.6
EXACT SUBJECT 372 0.6% 114 30.6% 7 488.6 2238.0
SERIES 45 0.1% 36 80.0% 4 119.9 295.2
EXACT SERIES 8 0.0% 2 25.0% 4 13.2 17.4
CODEN 30 0.0% 12 40.0% 1 1.2 0.4
ISBN 2,987 4.6% 2,987 100% 0 0.0 0.0
LCCN 587 0.9% 583 99.3% 1 1.5 1.0
ISSN 10,191 15.7% 635 6.2% 1 1.6 1.0
INDEXED BY 3 0.0% 3 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 105 0.2% 104 99.0% 1 1.0 0.0
GOV'T DOC NUM 3 0.0% 3 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 6,136 9.5% 1,479 24.1% 2 55.7 478.9
RPE 50 0.1% 39 78.0% 17 137.6 256.7
RXPE 11 0.0% 7 63.6% 16 48.5 76.5
Other indexes 26 0.0% 16 61.5% 495 3941.7 10165.0
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 8,137 14.4% 3,339 41.0% 2 55.0 472.9
Single 48,365 85.6% 17,245 35.7% 2 119.9 1277.9
PRESENT commands, by type:
MARC 31.7%
OPAC 23.2%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)