MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/10/01 through 11/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,285 30,135
2-4 a.m. 1,129 16,000
4-6 a.m. 1,193 20,773
6-8 a.m. 2,249 20,392
8-10 a.m. 5,203 76,848
10-12 a.m. 9,227 167,758
12-2 p.m. 10,556 167,668
2-4 p.m. 11,176 206,643
4-6 p.m. 9,255 144,791
6-8 p.m. 4,798 84,316
8-10 p.m. 3,285 55,630
10-12 p.m. 3,449 47,757
__________ _____________ _________________
Total: 63,805 1,038,711
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 7
Irvine 86
Los Angeles 3
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 4
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 49,522
Other-Network UC 14,179
_____
63,805
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 110
Davis 103
Irvine 202
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 52
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 1,014,229
Other-Network UC 24,015
_____
1,038,711
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 1.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:09
Average session length (minutes:seconds) 16:36
Longest session recorded (minutes:seconds) 304:18
Average number of searches completed per session 15951
Retrievals per search - median 1.0
Retrievals per search - average 64.1
Retrievals per search - standard deviation 874.3
Percent of searches completed with 0 results 40.0%
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 63,805 20.1%
PRESENT 216,605 68.1%
INIT or CLOSE 37,581 11.8%
OTHER 108 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 TITLE25,764 35.4% 10,622 41.2% 5 171.7 1557.8
EXACT PE TITLE 13,153 18.0% 3,221 24.5% 2 30.3 501.5
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 1,618 2.2% 1,466 90.6% 2 18.4 64.2
CORP AUTHOR 2,941 4.0% 2,567 87.3% 7 141.6 607.8
EXACT CORP AUTH 149 0.2% 59 39.6% 14 194.1 345.5
SUBJECT 6,874 9.4% 4,334 63.0% 12 344.1 1442.3
EXACT SUBJECT 559 0.8% 215 38.5% 8 510.5 2575.5
SERIES 69 0.1% 59 85.5% 5 25.0 50.3
EXACT SERIES 11 0.0% 7 63.6% 37 55.3 65.4
CODEN 18 0.0% 7 38.9% 1 1.1 0.3
ISBN 3,644 5.0% 3,643 100% 1 1.0 0.0
LCCN 514 0.7% 487 94.7% 1 1.3 0.5
ISSN 10,578 14.5% 733 6.9% 1 1.8 21.8
INDEXED BY 4 0.0% 3 75.0% 547 547.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 101 0.1% 101 100% 0 0.0 0.0
GOV'T DOC NUM 4 0.0% 3 75.0% 53 53.0 0.0
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 1 0.0% 0 0.0% 16 16.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,662 9.1% 2,120 31.8% 2 43.9 273.1
RPE 137 0.2% 94 68.6% 5 321.3 1050.1
RXPE 29 0.0% 14 48.3% 3 169.5 422.9
Other indexes 45 0.1% 23 51.1% 203 2201.4 7245.8
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 8,794 13.8% 4,001 45.5% 2 44.7 279.8
Single 55,011 86.2% 21,533 39.1% 2 115.8 1199.9
PRESENT commands, by type:
MARC 30.9%
OPAC 20.6%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)