MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/99 through 06/30/99
1.0 SUMMARY STATISTICS
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Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,394 96,194
2-4 a.m. 1,295 48,806
4-6 a.m. 466 14,905
6-8 a.m. 762 19,459
8-10 a.m. 4,686 126,141
10-12 a.m. 11,536 333,834
12-2 p.m. 14,297 459,709
2-4 p.m. 17,073 536,501
4-6 p.m. 14,349 455,397
6-8 p.m. 8,159 271,731
8-10 p.m. 7,814 255,175
10-12 p.m. 5,103 187,965
__________ _____________ _________________
Total: 87,934 2,805,817
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 53
Davis 78
Irvine 63
Los Angeles 24
Riverside 4
San Diego 1,028
San Francisco 42
Santa Barbara 6
Santa Cruz 241
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 82,019
Other - UC 4,298
Other-Network UC 77
_____
87,934
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 4,022
Davis 1,669
Irvine 316
Los Angeles 138
Riverside 91
San Diego 358
San Francisco 807
Santa Barbara 865
Santa Cruz 73
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 2,704,421
Other - UC 91,572
Other-Network UC 1,482
_____
2,805,817
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.5
Standard deviation in seconds 8.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.9
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 25:40
Average session length (minutes:seconds) 30:08
Longest session recorded (minutes:seconds) 249:39
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 996.3
Retrievals per search - standard deviation 18450
Percent of searches completed with 0 results 30.8%
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 87,934 13.2%
PRESENT 554,726 83.2%
INIT or CLOSE 23,185 3.5%
OTHER 873 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 13,403 10.9% 5,447 40.6% 6 77.6 752.3
TITLE WORD 10,382 8.4% 4,136 39.8% 6 345.3 2921.5
EXACT TITLE 1,352 1.1% 1,005 74.3% 1 26.1 173.5
JOURNAL TITLE 7,580 6.2% 4,655 61.4% 14 2163.4 9305.2
EXACT JOURNAL 2,810 2.3% 1,173 41.7% 693 4462.8 10529.7
SUBJECT WORD 11,658 9.5% 5,821 49.9% 14 694.9 16251.9
EXACT SUBJECT 4,546 3.7% 1,384 30.4% 12 10982.4 85236.1
KEYWORD 48,916 39.7% 10,723 21.9% 28 872.4 11161.0
DATE 2,706 2.2% 799 29.5% 23 142.7 677.1
ADDED SINCE 261 0.2% 169 64.8% 3 7494.4 71572.6
PUB TYPE 789 0.6% 395 50.1% 10 3772.1 49288.7
SUBFILE 686 0.6% 252 36.7% 39 270.7 830.1
ID 67 0.1% 1 1.5% 1 1.0 0.0
ISSN 27 0.0% 22 81.5% 734 14701.2 30590.6
SIC 19 0.0% 6 31.6% 8 306.2 811.7
ILLUS 52 0.0% 21 40.4% 12 127.4 270.5
ARTICLE 2,179 1.8% 547 25.1% 29 270.3 2081.3
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 15,680 12.7% 4,798 30.6% 34 926.5 8614.8
Other indexes 48 0.0% 40 83.3% 27 218.9 350.8
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 28,150 32.0% 10,727 38.1% 19 787.9 11853.7
Single 59,784 68.0% 16,399 27.4% 22 1703.0 25146.8
PRESENT commands, by type:
MARC 45.4%
OPAC 32.6%