MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/01 through 06/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 6,575 78,737
2-4 a.m. 3,716 35,377
4-6 a.m. 3,902 27,616
6-8 a.m. 6,076 65,493
8-10 a.m. 13,957 264,916
10-12 a.m. 23,771 476,210
12-2 p.m. 24,722 469,030
2-4 p.m. 26,048 575,455
4-6 p.m. 18,477 393,331
6-8 p.m. 10,326 172,567
8-10 p.m. 7,286 135,919
10-12 p.m. 6,472 92,145
__________ _____________ _________________
Total: 151,328 2,786,796
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 7
Davis 0
Irvine 207
Los Angeles 12
Riverside 0
San Diego 4
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 2
Lawrence Livermore 0
Los Alamos 0
MELWEB 66,043
Searchlight 6,282
Other - UC 41,243
Other-Network UC 37,528
_____
151,328
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 74
Davis 0
Irvine 347
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 61
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,655,307
Searchlight 0
Other - UC 1,065,357
Other-Network UC 65,650
_____
2,786,796
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 2.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:05
Average session length (minutes:seconds) 15:10
Longest session recorded (minutes:seconds) 337:14
Average number of searches completed per session 151328
Retrievals per search - median 1.0
Retrievals per search - average 81.2
Retrievals per search - standard deviation 1567.3
Percent of searches completed with 0 results 39.8%
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 151,328 19.3%
PRESENT 546,475 69.7%
INIT or CLOSE 85,801 10.9%
OTHER 230 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 TITLE69,976 40.8% 27,088 38.7% 5 213.6 1649.4
EXACT PE TITLE 37,117 21.6% 9,906 26.7% 2 32.5 703.4
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 6,069 3.5% 5,544 91.3% 2 17.1 88.5
CORP AUTHOR 6,963 4.1% 6,027 86.6% 7 141.9 707.0
EXACT CORP AUTH 395 0.2% 154 39.0% 7 132.1 321.3
SUBJECT 10,020 5.8% 6,446 64.3% 15 377.2 1436.5
EXACT SUBJECT 933 0.5% 322 34.5% 7 326.6 1665.3
SERIES 167 0.1% 145 86.8% 4 146.3 533.2
EXACT SERIES 42 0.0% 25 59.5% 2 71.3 125.3
CODEN 179 0.1% 52 29.0% 1 1.6 3.6
ISBN 8,442 4.9% 8,442 100% 0 0.0 0.0
LCCN 228 0.1% 206 90.3% 1 1.3 0.7
ISSN 16,716 9.7% 1,426 8.5% 1 1.6 1.0
INDEXED BY 22 0.0% 22 100% 0 0.0 0.0
DLA ID 14 0.0% 4 28.6% 1 1.0 0.0
LOCAL NUM 112 0.1% 60 53.6% 53 46.9 15.7
GOV'T DOC NUM 23 0.0% 22 95.6% 53 53.0 0.0
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 21 0.0% 20 95.2% 1 1.0 0.0
GPO ITEM NUM 7 0.0% 7 100% 0 0.0 0.0
AT 13,673 8.0% 3,137 22.9% 2 41.5 389.9
RPE 182 0.1% 113 62.1% 12 201.4 782.5
RXPE 78 0.0% 36 46.2% 4 10.3 23.1
Other indexes 92 0.1% 66 71.7% 80 19001.7 94026.4
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 19,699 13.0% 8,614 43.7% 2 40.9 383.1
Single 131,629 87.0% 51,658 39.2% 3 148.0 2149.0
PRESENT commands, by type:
MARC 29.9%
OPAC 20.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)