MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/08/01 through 12/14/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,704 15,145
2-4 a.m. 1,040 7,366
4-6 a.m. 845 6,559
6-8 a.m. 1,858 16,541
8-10 a.m. 4,458 51,065
10-12 a.m. 6,547 107,095
12-2 p.m. 6,787 116,211
2-4 p.m. 6,792 146,614
4-6 p.m. 5,794 97,262
6-8 p.m. 3,156 54,278
8-10 p.m. 1,895 31,483
10-12 p.m. 1,966 28,467
__________ _____________ _________________
Total: 42,842 678,086
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 1
Irvine 126
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 29,583
Other-Network UC 13,128
_____
42,842
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10
Davis 0
Irvine 356
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 654,220
Other-Network UC 23,499
_____
678,086
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 1.7
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) 20:02
Average session length (minutes:seconds) 15:06
Longest session recorded (minutes:seconds) 253:43
Average number of searches completed per session 21421
Retrievals per search - median 1.0
Retrievals per search - average 72.9
Retrievals per search - standard deviation 1178.8
Percent of searches completed with 0 results 40.2%
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 42,842 20.6%
PRESENT 139,470 67.2%
INIT or CLOSE 25,243 12.2%
OTHER 62 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 TITLE19,004 39.2% 7,718 40.6% 5 222.6 2166.1
EXACT PE TITLE 9,658 19.9% 2,055 21.3% 2 27.6 710.7
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 1,325 2.7% 1,215 91.7% 3 36.8 204.3
CORP AUTHOR 2,524 5.2% 2,272 90.0% 7 136.7 596.2
EXACT CORP AUTH 65 0.1% 20 30.8% 5 170.5 372.8
SUBJECT 2,413 5.0% 1,613 66.8% 12 366.7 1525.2
EXACT SUBJECT 219 0.5% 88 40.2% 10 334.8 1439.8
SERIES 29 0.1% 22 75.9% 4 15.7 31.9
EXACT SERIES 7 0.0% 1 14.3% 18 43.2 63.6
CODEN 17 0.0% 3 17.6% 1 1.4 0.5
ISBN 2,699 5.6% 2,699 100% 0 0.0 0.0
LCCN 646 1.3% 613 94.9% 1 1.1 0.3
ISSN 5,959 12.3% 510 8.6% 1 1.7 1.1
INDEXED BY 1 0.0% 1 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 91 0.2% 91 100% 0 0.0 0.0
GOV'T DOC NUM 3 0.0% 2 66.7% 53 53.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 4 0.0% 4 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 1 50.0% 5 5.0 0.0
AT 3,793 7.8% 670 17.7% 2 28.5 236.8
RPE 34 0.1% 20 58.8% 11 455.1 1607.0
RXPE 13 0.0% 8 61.5% 2 5.6 9.2
Other indexes 28 0.1% 17 60.7% 148 412.2 809.2
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 5,609 13.1% 2,363 42.1% 2 28.0 232.5
Single 37,233 86.9% 14,841 39.9% 2 135.5 1625.6
PRESENT commands, by type:
MARC 30.2%
OPAC 20.5%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)