MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 02/24/01 through 03/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,417 52,078
2-4 a.m. 429 15,481
4-6 a.m. 148 4,699
6-8 a.m. 292 6,800
8-10 a.m. 2,443 70,978
10-12 a.m. 6,744 219,414
12-2 p.m. 8,899 301,976
2-4 p.m. 9,823 337,453
4-6 p.m. 8,830 308,236
6-8 p.m. 5,459 195,026
8-10 p.m. 4,761 166,875
10-12 p.m. 3,585 124,786
__________ _____________ _________________
Total: 52,830 1,803,802
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 10
Davis 45
Irvine 18
Los Angeles 80
Riverside 1
San Diego 62
San Francisco 2
Santa Barbara 13
Santa Cruz 8
Lawrence Berkeley 4
Lawrence Livermore 0
Los Alamos 0
MELWEB 49,283
Searchlight 2,822
Other - UC 436
Other-Network UC 46
_____
52,830
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 83
Davis 1,825
Irvine 163
Los Angeles 838
Riverside 1
San Diego 121
San Francisco 1
Santa Barbara 52
Santa Cruz 675
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,785,881
Searchlight 1,247
Other - UC 10,898
Other-Network UC 2,017
_____
1,803,802
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.5
Standard deviation in seconds 5.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.7
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:57
Average session length (minutes:seconds) 25:17
Longest session recorded (minutes:seconds) 228:07
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1001.8
Retrievals per search - standard deviation 15170
Percent of searches completed with 0 results 22.7%
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 52,830 12.6%
PRESENT 347,404 82.7%
INIT or CLOSE 19,257 4.6%
OTHER 570 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 6,085 8.2% 1,922 31.6% 5 51.7 390.3
TITLE WORD 5,636 7.6% 1,834 32.5% 4 352.7 11291.3
EXACT TITLE 818 1.1% 548 67.0% 1 285.0 4035.4
JOURNAL TITLE 3,633 4.9% 1,867 51.4% 11 2462.3 10823.7
EXACT JOURNAL 3,267 4.4% 624 19.1% 765 6693.3 26792.5
SUBJECT WORD 5,780 7.7% 2,557 44.2% 11 440.3 4729.2
EXACT SUBJECT 3,084 4.1% 601 19.5% 13 4481.1 58758.5
KEYWORD 31,126 41.7% 5,194 16.7% 22 667.7 5701.9
DATE 2,223 3.0% 454 20.4% 24 128.3 549.4
ADDED SINCE 252 0.3% 136 54.0% 1 230.3 1374.3
PUB TYPE 328 0.4% 153 46.6% 11 112.3 823.0
SUBFILE 434 0.6% 141 32.5% 23 196.6 611.9
ID 55 0.1% 0 0.0% 1 1.0 0.1
ISSN 9 0.0% 5 55.6% 280 329.8 383.1
SIC 1 0.0% 0 0.0% 5 5.0 0.0
ILLUS 52 0.1% 13 25.0% 18 96.0 384.0
ARTICLE 1,234 1.7% 257 20.8% 26 394.1 5128.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 10,506 14.1% 2,465 23.5% 24 789.2 5390.0
Other indexes 119 0.2% 98 82.4% 2 106.0 211.9
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 17,457 33.0% 4,994 28.6% 15 594.3 5050.0
Single 35,373 67.0% 7,015 19.8% 21 1605.2 20412.6
PRESENT commands, by type:
MARC 45.6%
OPAC 31.9%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (