MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 09/08/01 through 09/14/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,346 11,962
2-4 a.m. 696 5,489
4-6 a.m. 955 3,778
6-8 a.m. 1,766 9,059
8-10 a.m. 3,501 56,610
10-12 a.m. 5,937 95,892
12-2 p.m. 5,352 106,055
2-4 p.m. 5,842 126,111
4-6 p.m. 4,209 82,661
6-8 p.m. 2,236 40,251
8-10 p.m. 1,375 33,561
10-12 p.m. 1,315 21,698
__________ _____________ _________________
Total: 34,530 593,127
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 29
Los Angeles 0
Riverside 0
San Diego 3
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 23,075
Other-Network UC 11,422
_____
34,530
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 73
Davis 0
Irvine 152
Los Angeles 0
Riverside 0
San Diego 4
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 570,184
Other-Network UC 22,714
_____
593,127
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.1
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 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:05
Average session length (minutes:seconds) 15:21
Longest session recorded (minutes:seconds) 320:30
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 90.3
Retrievals per search - standard deviation 1081.1
Percent of searches completed with 0 results 44.0%
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 34,530 20.2%
PRESENT 117,307 68.5%
INIT or CLOSE 19,239 11.2%
OTHER 57 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 TITLE16,198 40.9% 7,287 45.0% 5 255.2 1741.5
EXACT PE TITLE 7,663 19.3% 1,850 24.1% 2 62.1 1315.0
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 1,158 2.9% 1,048 90.5% 2 9.9 31.5
CORP AUTHOR 3,257 8.2% 2,994 91.9% 6 230.6 927.2
EXACT CORP AUTH 70 0.2% 22 31.4% 11 136.3 225.3
SUBJECT 1,890 4.8% 1,164 61.6% 16 535.1 1839.0
EXACT SUBJECT 185 0.5% 73 39.5% 5 99.5 345.5
SERIES 54 0.1% 49 90.7% 2 2.8 2.2
EXACT SERIES 8 0.0% 5 62.5% 1 4.0 5.2
CODEN 39 0.1% 5 12.8% 1 1.6 1.8
ISBN 2,425 6.1% 2,425 100% 0 0.0 0.0
LCCN 348 0.9% 340 97.7% 1 1.0 0.0
ISSN 3,670 9.3% 258 7.0% 1 1.6 0.9
INDEXED BY 6 0.0% 4 66.7% 7 6.5 7.8
DLA ID 1 0.0% 0 0.0% 1 1.0 0.0
LOCAL NUM 38 0.1% 37 97.4% 1 1.0 0.0
GOV'T DOC NUM 13 0.0% 12 92.3% 53 53.0 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 1 0.0% 0 0.0% 1 1.0 0.0
AT 2,545 6.4% 525 20.6% 2 39.6 294.1
RPE 25 0.1% 14 56.0% 16 781.3 1836.3
RXPE 10 0.0% 9 90.0% 4 4.0 0.0
Other indexes 18 0.0% 16 88.9% 3,366 3365.5 1696.3
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 5,007 14.5% 2,884 57.6% 2 38.2 287.1
Single 29,523 85.5% 12,295 41.6% 2 176.3 1522.4
PRESENT commands, by type:
MARC 29.9%
OPAC 18.8%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)