MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/01 through 09/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 5,832 64,391
2-4 a.m. 3,152 24,685
4-6 a.m. 3,991 33,017
6-8 a.m. 6,963 47,408
8-10 a.m. 15,461 251,042
10-12 a.m. 25,314 499,120
12-2 p.m. 24,371 522,119
2-4 p.m. 26,954 565,390
4-6 p.m. 18,695 406,138
6-8 p.m. 9,951 178,866
8-10 p.m. 6,309 158,204
10-12 p.m. 5,792 109,111
__________ _____________ _________________
Total: 152,785 2,859,491
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 3
Irvine 161
Los Angeles 0
Riverside 1
San Diego 3
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1
Searchlight 0
Other - UC 107,091
Other-Network UC 45,522
_____
152,785
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 76
Davis 13
Irvine 369
Los Angeles 0
Riverside 8
San Diego 4
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 2,770,764
Other-Network UC 88,257
_____
2,859,491
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 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:08
Average session length (minutes:seconds) 15:56
Longest session recorded (minutes:seconds) 320:30
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 82.2
Retrievals per search - standard deviation 1012.0
Percent of searches completed with 0 results 42.2%
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 152,785 18.8%
PRESENT 570,334 70.3%
INIT or CLOSE 87,443 10.8%
OTHER 243 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 TITLE71,209 40.8% 29,999 42.1% 5 232.6 1678.7
EXACT PE TITLE 32,777 18.8% 7,615 23.2% 2 43.2 1022.2
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 4,701 2.7% 4,286 91.2% 2 26.4 127.6
CORP AUTHOR 12,454 7.1% 11,404 91.6% 5 129.1 645.3
EXACT CORP AUTH 377 0.2% 151 40.1% 7 140.0 286.0
SUBJECT 8,966 5.1% 5,582 62.3% 16 411.5 1563.0
EXACT SUBJECT 896 0.5% 320 35.7% 10 467.8 2378.9
SERIES 191 0.1% 151 79.1% 4 80.6 205.5
EXACT SERIES 32 0.0% 18 56.3% 1 6.6 10.2
CODEN 105 0.1% 20 19.0% 1 1.4 1.2
ISBN 10,804 6.2% 10,802 100% 5 5.0 2.8
LCCN 1,478 0.8% 1,441 97.5% 1 1.2 0.6
ISSN 17,872 10.3% 1,303 7.3% 1 1.6 1.1
INDEXED BY 19 0.0% 17 89.5% 7 6.5 7.8
DLA ID 6 0.0% 4 66.7% 1 1.0 0.0
LOCAL NUM 168 0.1% 164 97.6% 32 31.0 27.1
GOV'T DOC NUM 24 0.0% 22 91.7% 28 27.5 36.1
REPORT NUM 10 0.0% 10 100% 0 0.0 0.0
STOCK NUM 7 0.0% 7 100% 0 0.0 0.0
GPO ITEM NUM 9 0.0% 8 88.9% 1 1.0 0.0
AT 11,970 6.9% 2,549 21.3% 2 39.3 290.0
RPE 134 0.1% 94 70.1% 7 280.1 1001.3
RXPE 46 0.0% 33 71.7% 10 80.0 219.9
Other indexes 98 0.1% 66 67.3% 193 1253.4 1932.0
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 21,233 13.9% 11,349 53.4% 2 40.1 295.2
Single 131,552 86.1% 53,079 40.3% 3 155.0 1404.3
PRESENT commands, by type:
MARC 28.8%
OPAC 19.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)