MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/99 through 09/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,227 38,460
2-4 a.m. 520 10,557
4-6 a.m. 201 3,649
6-8 a.m. 399 11,788
8-10 a.m. 3,530 84,803
10-12 a.m. 8,668 296,503
12-2 p.m. 9,070 329,180
2-4 p.m. 12,150 431,423
4-6 p.m. 8,471 309,120
6-8 p.m. 3,555 132,382
8-10 p.m. 3,225 121,024
10-12 p.m. 2,145 74,597
__________ _____________ _________________
Total: 53,161 1,843,486
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 98
Davis 27
Irvine 62
Los Angeles 27
Riverside 2
San Diego 1,244
San Francisco 3
Santa Barbara 0
Santa Cruz 202
Lawrence Berkeley 2
Lawrence Livermore 1
Los Alamos 0
MELWEB 48,367
Other - UC 2,943
Other-Network UC 183
_____
53,161
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,919
Davis 306
Irvine 487
Los Angeles 943
Riverside 1
San Diego 51
San Francisco 129
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,782,938
Other - UC 52,818
Other-Network UC 2,894
_____
1,843,486
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.2
Standard deviation in seconds 10.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.4
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 24:05
Average session length (minutes:seconds) 26:46
Longest session recorded (minutes:seconds) 241:11
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 713.2
Retrievals per search - standard deviation 10531
Percent of searches completed with 0 results 23.3%
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 53,161 12.2%
PRESENT 362,781 83.5%
INIT or CLOSE 17,850 4.1%
OTHER 581 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 9,320 12.9% 2,794 30.0% 6 46.9 436.8
TITLE WORD 7,165 9.9% 2,342 32.7% 6 233.8 1597.0
EXACT TITLE 1,057 1.5% 766 72.5% 1 43.5 241.4
JOURNAL TITLE 4,254 5.9% 2,378 55.9% 16 2203.1 8580.6
EXACT JOURNAL 3,021 4.2% 690 22.8% 414 3844.5 9267.4
SUBJECT WORD 5,687 7.9% 2,344 41.2% 13 377.0 2829.0
EXACT SUBJECT 3,276 4.5% 632 19.3% 14 2519.9 40290.9
KEYWORD 25,773 35.7% 3,813 14.8% 26 712.3 7343.7
DATE 1,986 2.8% 521 26.2% 20 135.6 459.6
ADDED SINCE 314 0.4% 221 70.4% 2 24.9 92.9
PUB TYPE 528 0.7% 214 40.5% 12 255.5 1481.9
SUBFILE 327 0.5% 101 30.9% 25 98.1 279.1
ID 337 0.5% 2 0.6% 1 1.0 0.0
ISSN 29 0.0% 19 65.5% 2 864.7 1922.5
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 12 0.0% 6 50.0% 31 57.0 62.9
ARTICLE 2,800 3.9% 278 9.9% 69 1058.1 3508.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,162 8.5% 1,487 24.1% 31 613.1 4230.8
Other indexes 95 0.1% 62 65.3% 16 128.0 345.1
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 15,038 28.3% 4,657 31.0% 21 560.5 3395.5
Single 38,123 71.7% 7,737 20.3% 18 1056.2 13774.7
PRESENT commands, by type:
MARC 47.4%
OPAC 24.6%