MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 08/25/01 through 08/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,245 16,213
2-4 a.m. 717 5,728
4-6 a.m. 922 6,910
6-8 a.m. 1,621 16,880
8-10 a.m. 3,332 62,530
10-12 a.m. 5,938 158,077
12-2 p.m. 5,868 104,723
2-4 p.m. 5,949 119,690
4-6 p.m. 3,883 76,394
6-8 p.m. 2,041 33,344
8-10 p.m. 1,141 45,691
10-12 p.m. 1,125 20,334
__________ _____________ _________________
Total: 33,782 666,514
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 70
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 7
Searchlight 0
Other - UC 23,742
Other-Network UC 9,961
_____
33,782
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 0
Irvine 288
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 89
Searchlight 0
Other - UC 646,507
Other-Network UC 19,614
_____
666,514
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 0.2
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:06
Average session length (minutes:seconds) 15:25
Longest session recorded (minutes:seconds) 212:47
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 81.5
Retrievals per search - standard deviation 1068.0
Percent of searches completed with 0 results 42.3%
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 33,782 18.7%
PRESENT 128,212 70.9%
INIT or CLOSE 18,838 10.4%
OTHER 42 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 TITLE16,020 42.0% 6,452 40.3% 5 235.2 1899.7
EXACT PE TITLE 8,108 21.3% 2,051 25.3% 2 26.7 456.1
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 1,238 3.2% 1,132 91.4% 2 7.9 16.8
CORP AUTHOR 2,165 5.7% 1,961 90.6% 4 36.8 90.0
EXACT CORP AUTH 93 0.2% 38 40.9% 12 302.7 1004.3
SUBJECT 1,842 4.8% 1,217 66.1% 20 353.8 1115.3
EXACT SUBJECT 261 0.7% 90 34.5% 9 284.8 1429.0
SERIES 70 0.2% 62 88.6% 4 18.5 39.9
EXACT SERIES 13 0.0% 10 76.9% 1 2.0 1.7
CODEN 12 0.0% 2 16.7% 1 1.2 0.4
ISBN 2,395 6.3% 2,395 100% 0 0.0 0.0
LCCN 277 0.7% 265 95.7% 1 1.8 1.2
ISSN 3,001 7.9% 235 7.8% 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 18 0.0% 15 83.3% 48 41.7 16.4
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% 0 0.0% 12 12.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 2,505 6.6% 571 22.8% 2 42.9 299.9
RPE 43 0.1% 31 72.1% 12 1266.2 2878.4
RXPE 7 0.0% 6 85.7% 3 3.0 0.0
Other indexes 23 0.1% 17 73.9% 655 5855.8 13078.0
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 4,202 12.4% 2,171 51.7% 2 44.2 305.1
Single 29,580 87.6% 12,119 41.0% 3 152.6 1478.2
PRESENT commands, by type:
MARC 28.6%
OPAC 18.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)