MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 05/26/01 through 06/01/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 225 7,402
2-4 a.m. 133 3,105
4-6 a.m. 80 1,101
6-8 a.m. 39 1,325
8-10 a.m. 290 9,302
10-12 a.m. 789 21,784
12-2 p.m. 1,083 27,217
2-4 p.m. 1,260 39,361
4-6 p.m. 997 25,925
6-8 p.m. 495 17,571
8-10 p.m. 561 19,634
10-12 p.m. 362 13,310
__________ _____________ _________________
Total: 6,314 187,037
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 7
Irvine 19
Los Angeles 53
Riverside 0
San Diego 13
San Francisco 4
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 4,118
Searchlight 2,033
Other - UC 13
Other-Network UC 39
_____
6,314
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 49
Davis 161
Irvine 270
Los Angeles 342
Riverside 0
San Diego 14
San Francisco 16
Santa Barbara 32
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 33
Los Alamos 0
MELWEB 185,220
Searchlight 737
Other - UC 109
Other-Network UC 54
_____
187,037
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 2.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:10
Average session length (minutes:seconds) 11:57
Longest session recorded (minutes:seconds) 202:43
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 757.7
Retrievals per search - standard deviation 5689.2
Percent of searches completed with 0 results 28.9%
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 6,314 13.8%
PRESENT 35,554 77.7%
INIT or CLOSE 3,666 8.0%
OTHER 227 0.5%
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 694 8.4% 155 22.3% 6 50.8 363.5
TITLE WORD 477 5.8% 136 28.5% 3 60.5 255.1
EXACT TITLE 106 1.3% 30 28.3% 1 121.2 602.0
JOURNAL 231 2.8% 81 35.1% 5 1084.1 5199.0
EXACT JOURNAL 542 6.5% 77 14.2% 542 2222.8 5507.7
SUBJECT 324 3.9% 175 54.0% 14 504.7 1854.7
EXACT SUBJECT 179 2.2% 45 25.1% 47 7070.1 23610.6
KEYWORD 4,250 51.3% 1,287 30.3% 27 848.4 5917.8
PUB TYPE 76 0.9% 16 21.1% 23 300.1 713.4
DATE 218 2.6% 59 27.1% 12 472.8 2487.3
ADDED 51 0.6% 30 58.8% 26 233.8 843.9
LANGUAGE 96 1.2% 37 38.5% 40 795.1 3777.4
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 44 0.5% 25 56.8% 16 555.7 1995.1
COMPANY NAME 117 1.4% 29 24.8% 20 86.8 209.9
EX COMPANY NAME 47 0.6% 22 46.8% 13 164.5 296.3
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 1 0.0% 1 100% 0 0.0 0.0
ID NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 86 1.0% 9 10.5% 44 611.1 1823.8
AT 737 8.9% 158 21.4% 43 1290.3 5682.0
Other indexes 14 0.2% 4 28.6% 11 172.3 372.5
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 1,469 23.3% 355 24.2% 19 789.6 4258.7
Single 4,845 76.7% 1,467 30.3% 30 1155.8 7352.6
PRESENT commands, by type:
MARC 46.7%
OPAC 26.3%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)