MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/08/01 through 12/14/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 97 3,402
2-4 a.m. 39 2,049
4-6 a.m. 155 1,737
6-8 a.m. 30 693
8-10 a.m. 258 4,295
10-12 a.m. 486 11,523
12-2 p.m. 527 10,383
2-4 p.m. 651 13,578
4-6 p.m. 443 10,845
6-8 p.m. 330 8,904
8-10 p.m. 187 5,598
10-12 p.m. 160 3,864
__________ _____________ _________________
Total: 3,363 76,871
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 66
Davis 16
Irvine 21
Los Angeles 25
Riverside 0
San Diego 11
San Francisco 14
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 901
Other - UC 2,217
Other-Network UC 91
_____
3,363
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,287
Davis 110
Irvine 760
Los Angeles 631
Riverside 0
San Diego 121
San Francisco 68
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 72,507
Other-Network UC 1,384
_____
76,871
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 4.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 4.7
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:19
Average session length (minutes:seconds) 11:31
Longest session recorded (minutes:seconds) 138:53
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1536.7
Retrievals per search - standard deviation 9997.4
Percent of searches completed with 0 results 27.3%
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 3,363 14.7%
PRESENT 17,425 76.3%
INIT or CLOSE 2,052 9.0%
OTHER 12 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 653 15.1% 146 22.4% 6 91.2 596.7
TITLE WORD 315 7.3% 91 28.9% 2 87.7 571.9
EXACT TITLE 38 0.9% 24 63.2% 1 3.5 5.9
JOURNAL 184 4.2% 79 42.9% 10 1141.8 5377.5
EXACT JOURNAL 449 10.4% 49 10.9% 682 2137.9 5325.9
SUBJECT 178 4.1% 90 50.6% 47 3748.5 11507.9
EXACT SUBJECT 33 0.8% 8 24.2% 99 1716.1 4541.8
KEYWORD 1,814 41.8% 533 29.4% 43 2939.8 15387.3
PUB TYPE 28 0.6% 8 28.6% 12 277.2 477.6
DATE 206 4.8% 49 23.8% 18 203.0 844.0
ADDED 45 1.0% 22 48.9% 26 24.7 17.1
LANGUAGE 27 0.6% 5 18.5% 32 310.7 525.2
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 10 0.2% 4 40.0% 4,502 4850.8 4670.5
COMPANY NAME 23 0.5% 11 47.8% 249 341.0 471.0
EX COMPANY NAME 7 0.2% 2 28.6% 265 239.8 124.5
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 0 0.0% 0 0.0% 0 0.0 0.0
ID NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 2 0.0% 2 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 75 1.7% 16 21.3% 110 240.2 343.4
AT 249 5.7% 41 16.5% 152 3990.3 11611.0
Other indexes 0 0.0% 0 0.0% 0 0.0 0.0
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 745 22.2% 195 26.2% 21 1653.8 7408.3
Single 2,618 77.8% 723 27.6% 42 2247.2 12643.3
PRESENT commands, by type:
MARC 56.2%
OPAC 20.0%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)