MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 11/10/01 through 11/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 155 3,671
2-4 a.m. 119 1,906
4-6 a.m. 104 1,056
6-8 a.m. 48 347
8-10 a.m. 299 3,734
10-12 a.m. 836 20,258
12-2 p.m. 950 26,744
2-4 p.m. 1,195 31,758
4-6 p.m. 885 20,908
6-8 p.m. 438 12,945
8-10 p.m. 387 6,310
10-12 p.m. 335 8,099
__________ _____________ _________________
Total: 5,751 137,736
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 28
Davis 16
Irvine 21
Los Angeles 37
Riverside 0
San Diego 8
San Francisco 22
Santa Barbara 2
Santa Cruz 8
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 0
Searchlight 2,081
Other - UC 3,520
Other-Network UC 7
_____
5,751
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 519
Davis 115
Irvine 539
Los Angeles 510
Riverside 0
San Diego 0
San Francisco 376
Santa Barbara 0
Santa Cruz 144
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 135,505
Other-Network UC 28
_____
137,736
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 1.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.6
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:09
Average session length (minutes:seconds) 10:34
Longest session recorded (minutes:seconds) 144:59
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 969.9
Retrievals per search - standard deviation 6222.1
Percent of searches completed with 0 results 30.4%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 5,751 15.7%
PRESENT 27,123 74.2%
INIT or CLOSE 3,670 10.0%
OTHER 28 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 631 8.8% 186 29.5% 7 74.8 648.6
TITLE WORD 431 6.0% 173 40.1% 5 87.0 324.1
EXACT TITLE 77 1.1% 33 42.9% 1 5.4 20.5
JOURNAL 251 3.5% 102 40.6% 14 1224.5 5923.2
EXACT JOURNAL 755 10.5% 76 10.1% 835 2715.7 6499.0
SUBJECT 304 4.2% 177 58.2% 11 380.7 1872.7
EXACT SUBJECT 99 1.4% 33 33.3% 168 9699.3 30146.9
KEYWORD 3,707 51.4% 1,179 31.8% 25 1114.6 6890.6
PUB TYPE 43 0.6% 4 9.3% 44 338.5 767.6
DATE 153 2.1% 37 24.2% 15 274.4 1767.4
ADDED 32 0.4% 23 71.9% 3 9.4 12.3
LANGUAGE 73 1.0% 21 28.8% 27 596.1 1361.9
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 10 0.1% 2 20.0% 36 71.6 87.4
COMPANY NAME 66 0.9% 20 30.3% 79 327.3 931.9
EX COMPANY NAME 10 0.1% 7 70.0% 397 634.7 766.6
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 1 0.0% 0 0.0% 6 6.0 0.0
ID NUMBER 1 0.0% 0 0.0% 1 1.0 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 91 1.3% 41 45.1% 28 538.3 2028.8
AT 467 6.5% 100 21.4% 46 1763.8 6595.0
Other indexes 4 0.1% 4 100% 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 1,089 18.9% 333 30.6% 18 966.0 4746.2
Single 4,662 81.1% 1,416 30.4% 39 1493.5 7910.6
PRESENT commands, by type:
MARC 50.8%
OPAC 23.0%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)