MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 09/15/01 through 09/21/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,338 13,696
2-4 a.m. 812 7,972
4-6 a.m. 1,164 7,541
6-8 a.m. 2,001 14,183
8-10 a.m. 3,770 58,751
10-12 a.m. 6,819 155,109
12-2 p.m. 6,561 152,842
2-4 p.m. 7,064 158,675
4-6 p.m. 4,729 117,196
6-8 p.m. 2,676 50,583
8-10 p.m. 1,658 52,179
10-12 p.m. 1,340 24,981
__________ _____________ _________________
Total: 39,932 813,708
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 3
Irvine 52
Los Angeles 0
Riverside 1
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 27,876
Other-Network UC 12,000
_____
39,932
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 13
Irvine 101
Los Angeles 0
Riverside 8
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 788,298
Other-Network UC 25,288
_____
813,708
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 0.8
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) 20:10
Average session length (minutes:seconds) 16:14
Longest session recorded (minutes:seconds) 188:53
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 75.6
Retrievals per search - standard deviation 919.9
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 39,932 17.7%
PRESENT 162,942 72.2%
INIT or CLOSE 22,892 10.1%
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 TITLE19,001 41.4% 7,941 41.8% 5 207.6 1577.1
EXACT PE TITLE 8,372 18.2% 1,869 22.3% 2 29.9 492.9
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 1,093 2.4% 1,003 91.8% 4 29.1 90.9
CORP AUTHOR 3,660 8.0% 3,384 92.5% 6 134.4 651.3
EXACT CORP AUTH 102 0.2% 59 57.8% 8 110.9 262.3
SUBJECT 2,078 4.5% 1,300 62.6% 21 411.6 1491.5
EXACT SUBJECT 254 0.6% 85 33.5% 16 934.1 3704.3
SERIES 45 0.1% 28 62.2% 10 93.4 251.3
EXACT SERIES 6 0.0% 1 16.7% 1 10.6 15.3
CODEN 21 0.0% 7 33.3% 1 1.1 0.3
ISBN 3,062 6.7% 3,061 100% 7 7.0 0.0
LCCN 453 1.0% 446 98.5% 1 1.0 0.0
ISSN 4,585 10.0% 385 8.4% 1 1.6 1.1
INDEXED BY 7 0.0% 7 100% 0 0.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 39 0.1% 37 94.9% 32 32.0 22.6
GOV'T DOC NUM 3 0.0% 3 100% 0 0.0 0.0
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 3,037 6.6% 607 20.0% 3 41.3 285.5
RPE 34 0.1% 27 79.4% 7 58.3 112.4
RXPE 13 0.0% 8 61.5% 2 32.6 58.6
Other indexes 19 0.0% 13 68.4% 582 1012.8 1456.8
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 5,875 14.7% 3,305 56.3% 3 42.5 283.7
Single 34,057 85.3% 13,592 39.9% 3 142.1 1277.4
PRESENT commands, by type:
MARC 27.1%
OPAC 20.8%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)