MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/00 through 08/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,063 28,562
2-4 a.m. 377 6,107
4-6 a.m. 213 5,896
6-8 a.m. 370 7,212
8-10 a.m. 3,206 70,390
10-12 a.m. 9,367 282,719
12-2 p.m. 10,276 306,621
2-4 p.m. 12,990 379,987
4-6 p.m. 9,723 301,457
6-8 p.m. 3,174 108,177
8-10 p.m. 1,846 61,781
10-12 p.m. 1,616 60,509
__________ _____________ _________________
Total: 54,221 1,619,418
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 105
Davis 143
Irvine 13
Los Angeles 111
Riverside 5
San Diego 531
San Francisco 25
Santa Barbara 34
Santa Cruz 49
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 47,646
Searchlight 4,527
Other - UC 972
Other-Network UC 59
_____
54,221
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,989
Davis 2,182
Irvine 441
Los Angeles 2,433
Riverside 190
San Diego 381
San Francisco 327
Santa Barbara 367
Santa Cruz 1,620
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,577,001
Searchlight 7,462
Other - UC 24,147
Other-Network UC 878
_____
1,619,418
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 5.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 21:38
Average session length (minutes:seconds) 21:17
Longest session recorded (minutes:seconds) 275:54
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 990.6
Retrievals per search - standard deviation 9761.3
Percent of searches completed with 0 results 26.1%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 54,221 13.9%
PRESENT 311,668 80.1%
INIT or CLOSE 22,811 5.9%
OTHER 400 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 9,608 13.1% 3,103 32.3% 6 57.5 407.4
TITLE WORD 7,254 9.9% 2,740 37.8% 6 320.4 2501.2
EXACT TITLE 1,153 1.6% 792 68.7% 1 41.5 272.5
JOURNAL TITLE 5,669 7.7% 3,095 54.6% 8 1774.2 8044.0
EXACT JOURNAL 3,954 5.4% 853 21.6% 772 4764.3 11165.0
SUBJECT WORD 4,225 5.8% 1,863 44.1% 12 287.8 1750.6
EXACT SUBJECT 2,013 2.7% 430 21.4% 13 2580.1 42645.5
KEYWORD 28,007 38.1% 5,176 18.5% 28 1223.8 8451.7
DATE 2,213 3.0% 695 31.4% 17 140.5 564.0
ADDED SINCE 773 1.1% 510 66.0% 4 202.3 2820.6
PUB TYPE 501 0.7% 185 36.9% 12 299.8 2884.1
SUBFILE 354 0.5% 141 39.8% 31 336.1 1690.1
ID 109 0.1% 3 2.8% 1 1.0 0.0
ISSN 15 0.0% 9 60.0% 177 322.5 468.2
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 16 0.0% 5 31.3% 102 142.8 226.3
ARTICLE 780 1.1% 158 20.3% 38 222.3 1050.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,784 9.2% 1,942 28.6% 25 802.2 5425.4
Other indexes 44 0.1% 30 68.2% 1,051 1746.1 2385.5
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 15,054 27.8% 5,507 36.6% 11 455.0 3939.2
Single 39,167 72.2% 8,665 22.1% 24 1618.5 12790.0
PRESENT commands, by type:
MARC 46.5%
OPAC 32.1%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (