MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 07/07/01 through 07/13/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 247 7,154
2-4 a.m. 113 4,350
4-6 a.m. 44 1,995
6-8 a.m. 142 3,681
8-10 a.m. 760 23,744
10-12 a.m. 2,436 76,283
12-2 p.m. 3,074 88,542
2-4 p.m. 3,779 117,255
4-6 p.m. 2,368 72,830
6-8 p.m. 1,045 29,232
8-10 p.m. 461 15,684
10-12 p.m. 492 16,004
__________ _____________ _________________
Total: 14,961 456,754
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 33
Davis 9
Irvine 12
Los Angeles 61
Riverside 6
San Diego 14
San Francisco 13
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 40
Searchlight 1,091
Other - UC 13,620
Other-Network UC 62
_____
14,961
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 471
Davis 433
Irvine 21
Los Angeles 383
Riverside 37
San Diego 226
San Francisco 12
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 453,442
Other-Network UC 1,729
_____
456,754
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.3
Standard deviation in seconds 8.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 21:38
Average session length (minutes:seconds) 21:45
Longest session recorded (minutes:seconds) 265:56
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1323.8
Retrievals per search - standard deviation 14466
Percent of searches completed with 0 results 23.5%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 14,961 13.7%
PRESENT 87,791 80.2%
INIT or CLOSE 6,645 6.1%
OTHER 128 0.1%
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:
PERSONAL AUTHOR 2,391 11.8% 803 33.6% 6 64.4 383.1
TITLE WORD 1,870 9.2% 655 35.0% 6 312.3 2492.9
EXACT TITLE 278 1.4% 169 60.8% 1 6.7 16.4
JOURNAL TITLE 1,410 7.0% 729 51.7% 11 3424.4 19624.2
EXACT JOURNAL 1,546 7.6% 253 16.4% 969 5501.4 10822.4
SUBJECT WORD 1,221 6.0% 494 40.5% 13 300.9 2332.8
EXACT SUBJECT 649 3.2% 99 15.3% 11 3322.6 50266.4
KEYWORD 7,575 37.4% 1,230 16.2% 27 1322.8 15236.7
DATE 538 2.7% 142 26.4% 24 223.9 1241.2
ADDED SINCE 118 0.6% 84 71.2% 5 43.0 104.3
PUB TYPE 133 0.7% 38 28.6% 21 62.0 152.7
SUBFILE 220 1.1% 48 21.8% 19 81.9 252.0
ID 7 0.0% 0 0.0% 1 1.0 0.0
ISSN 1 0.0% 0 0.0% 432 432.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 3 0.0% 2 66.7% 3 3.0 0.0
ARTICLE 278 1.4% 47 16.9% 31 266.0 1254.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,988 9.8% 453 22.8% 31 973.7 5696.1
Other indexes 18 0.1% 13 72.2% 2 2.2 0.4
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 4,073 27.2% 1,274 31.3% 13 731.0 9241.1
Single 10,888 72.8% 2,235 20.5% 29 2052.4 18244.6
PRESENT commands, by type:
MARC 45.5%
OPAC 31.8%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (