MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 08/18/01 through 08/24/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,345 7,855
2-4 a.m. 767 4,831
4-6 a.m. 1,090 5,736
6-8 a.m. 1,891 14,429
8-10 a.m. 3,784 67,074
10-12 a.m. 6,331 137,633
12-2 p.m. 5,415 120,028
2-4 p.m. 5,929 139,281
4-6 p.m. 3,835 87,361
6-8 p.m. 1,679 36,807
8-10 p.m. 1,145 25,165
10-12 p.m. 1,266 17,230
__________ _____________ _________________
Total: 34,477 663,430
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 31
Los Angeles 0
Riverside 4
San Diego 0
San Francisco 4
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3
Searchlight 0
Other - UC 23,615
Other-Network UC 10,820
_____
34,477
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 125
Los Angeles 0
Riverside 111
San Diego 0
San Francisco 8
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 156
Searchlight 0
Other - UC 640,979
Other-Network UC 22,051
_____
663,430
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
_________________________________________
Median session length (minutes:seconds) 20:05
Average session length (minutes:seconds) 15:29
Longest session recorded (minutes:seconds) 339:52
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 70.9
Retrievals per search - standard deviation 1090.5
Percent of searches completed with 0 results 42.7%
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 34,477 19.1%
PRESENT 127,602 70.5%
INIT or CLOSE 18,737 10.4%
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 TITLE16,857 42.7% 7,088 42.0% 5 203.3 1760.9
EXACT PE TITLE 7,868 19.9% 1,834 23.3% 2 47.1 1281.9
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 1,313 3.3% 1,202 91.5% 3 14.0 37.2
CORP AUTHOR 2,767 7.0% 2,556 92.4% 5 56.8 203.0
EXACT CORP AUTH 118 0.3% 71 60.2% 4 246.4 420.0
SUBJECT 1,660 4.2% 1,088 65.5% 17 217.7 766.5
EXACT SUBJECT 155 0.4% 53 34.2% 13 201.9 1286.1
SERIES 38 0.1% 30 78.9% 3 13.9 20.2
EXACT SERIES 7 0.0% 0 0.0% 1 5.6 10.4
CODEN 23 0.1% 8 34.8% 1 1.3 0.6
ISBN 2,292 5.8% 2,280 99.5% 3 6.1 12.4
LCCN 435 1.1% 419 96.3% 1 1.6 0.8
ISSN 3,178 8.1% 240 7.6% 1 1.7 1.3
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 24 0.1% 23 95.8% 46 46.0 0.0
GOV'T DOC NUM 1 0.0% 1 100% 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 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,661 6.7% 519 19.5% 2 26.4 229.0
RPE 29 0.1% 17 58.6% 10 377.8 1187.2
RXPE 17 0.0% 10 58.8% 3 4.3 2.9
Other indexes 15 0.0% 12 80.0% 6 8.3 8.7
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 4,915 14.3% 2,673 54.4% 2 27.7 240.2
Single 29,562 85.7% 12,049 40.8% 3 136.0 1524.8
PRESENT commands, by type:
MARC 29.4%
OPAC 18.4%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)