MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/16/02 through 02/22/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,853 23,836
2-4 a.m. 1,275 11,412
4-6 a.m. 1,406 9,870
6-8 a.m. 2,508 21,225
8-10 a.m. 6,383 87,150
10-12 a.m. 10,599 153,029
12-2 p.m. 11,529 200,682
2-4 p.m. 13,133 222,782
4-6 p.m. 9,680 170,198
6-8 p.m. 5,218 88,563
8-10 p.m. 3,866 67,990
10-12 p.m. 2,888 46,417
__________ _____________ _________________
Total: 70,338 1,103,154
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 9
Irvine 41
Los Angeles 0
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 9
Los Alamos 0
MELWEB 52,905
Searchlight 2,583
Other - UC 560
Other-Network UC 14,225
_____
70,338
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 37
Davis 193
Irvine 154
Los Angeles 0
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 23
Los Alamos 0
MELWEB 1,062,050
Searchlight 0
Other - UC 4,595
Other-Network UC 36,100
_____
1,103,154
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 2.5
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) 16:41
Longest session recorded (minutes:seconds) 203:15
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 56.7
Retrievals per search - standard deviation 881.2
Percent of searches completed with 0 results 34.3%
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 70,338 19.7%
PRESENT 240,830 67.6%
INIT or CLOSE 45,229 12.7%
OTHER 82 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 TITLE27,716 34.8% 10,504 37.9% 5 162.2 1499.8
EXACT PE TITLE 13,714 17.2% 3,200 23.3% 2 48.2 1091.5
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 2,023 2.5% 1,860 91.9% 2 15.1 84.4
CORP AUTHOR 2,893 3.6% 2,520 87.1% 7 93.2 495.6
EXACT CORP AUTH 169 0.2% 67 39.6% 6 133.6 274.0
SUBJECT 5,629 7.1% 3,548 63.0% 14 262.8 1077.9
EXACT SUBJECT 466 0.6% 158 33.9% 6 192.3 1203.7
SERIES 48 0.1% 43 89.6% 13 13.2 12.3
EXACT SERIES 10 0.0% 3 30.0% 1 56.1 127.3
CODEN 10 0.0% 6 60.0% 1 1.3 0.5
ISBN 2,780 3.5% 2,779 100% 7 7.0 0.0
LCCN 493 0.6% 486 98.6% 1 1.4 0.5
ISSN 16,697 21.0% 1,031 6.2% 1 1.7 1.0
INDEXED BY 5 0.0% 5 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 3 0.0% 2 66.7% 1 1.0 0.0
GOV'T DOC NUM 7 0.0% 6 85.7% 4 4.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 0 0.0% 2 1.5 0.7
AT 6,739 8.5% 1,839 27.3% 2 48.7 270.4
RPE 70 0.1% 47 67.1% 8 73.7 199.6
RXPE 18 0.0% 16 88.9% 7 7.0 1.4
Other indexes 53 0.1% 36 67.9% 69 317.6 490.9
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 8,965 12.7% 3,832 42.7% 2 47.2 265.1
Single 61,373 87.3% 20,270 33.0% 2 91.1 1147.6
PRESENT commands, by type:
MARC 31.8%
OPAC 22.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)