MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 05/05/01 through 05/11/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 126 3,252
2-4 a.m. 115 2,181
4-6 a.m. 15 846
6-8 a.m. 39 702
8-10 a.m. 321 8,725
10-12 a.m. 714 25,035
12-2 p.m. 1,028 21,465
2-4 p.m. 1,177 24,417
4-6 p.m. 805 14,510
6-8 p.m. 509 11,676
8-10 p.m. 302 7,113
10-12 p.m. 277 8,041
__________ _____________ _________________
Total: 5,428 127,963
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 51
Davis 59
Irvine 27
Los Angeles 27
Riverside 0
San Diego 16
San Francisco 1
Santa Barbara 1
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,140
Searchlight 2,059
Other - UC 33
Other-Network UC 12
_____
5,428
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 217
Davis 523
Irvine 143
Los Angeles 1,072
Riverside 0
San Diego 6
San Francisco 122
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 124,249
Searchlight 1,161
Other - UC 368
Other-Network UC 102
_____
127,963
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 3.1
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
_________________________________________
Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 10:07
Longest session recorded (minutes:seconds) 160:34
Average number of searches completed per session 0.0
Retrievals per search - median 4.0
Retrievals per search - average 752.6
Retrievals per search - standard deviation 6227.4
Percent of searches completed with 0 results 30.4%
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 5,428 16.1%
PRESENT 24,727 73.5%
INIT or CLOSE 3,453 10.3%
OTHER 31 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 697 10.3% 182 26.1% 6 55.0 288.4
TITLE WORD 528 7.8% 140 26.5% 2 92.5 490.8
EXACT TITLE 50 0.7% 26 52.0% 1 13.5 59.1
JOURNAL 194 2.9% 67 34.5% 10 970.9 4465.1
EXACT JOURNAL 498 7.4% 86 17.3% 668 2400.2 6067.3
SUBJECT 357 5.3% 152 42.6% 25 515.4 1760.6
EXACT SUBJECT 150 2.2% 35 23.3% 38 1366.4 3626.6
KEYWORD 3,530 52.3% 1,149 32.5% 27 1126.1 8885.9
PUB TYPE 63 0.9% 7 11.1% 35 428.5 1100.3
DATE 129 1.9% 24 18.6% 18 237.6 1011.5
ADDED 17 0.3% 8 47.1% 11 30.0 37.4
LANGUAGE 47 0.7% 8 17.0% 41 403.1 971.8
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 18 0.3% 2 11.1% 15 66.4 85.4
COMPANY NAME 68 1.0% 13 19.1% 9 157.6 431.0
EX COMPANY NAME 15 0.2% 2 13.3% 32 61.6 93.4
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 1 0.0% 1 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 58 0.9% 13 22.4% 9 174.4 368.9
AT 326 4.8% 59 18.1% 36 1229.7 4708.7
Other indexes 9 0.1% 7 77.8% 2 1.5 0.7
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 1,073 19.8% 263 24.5% 8 486.9 2778.9
Single 4,355 80.2% 1,386 31.8% 31 1243.1 8260.2
PRESENT commands, by type:
MARC 46.6%
OPAC 24.4%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)