MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 09/22/01 through 09/28/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 110 2,363
2-4 a.m. 44 1,359
4-6 a.m. 25 2,227
6-8 a.m. 15 161
8-10 a.m. 240 5,376
10-12 a.m. 533 12,636
12-2 p.m. 627 22,487
2-4 p.m. 790 20,337
4-6 p.m. 435 11,347
6-8 p.m. 216 4,900
8-10 p.m. 166 4,858
10-12 p.m. 185 3,913
__________ _____________ _________________
Total: 3,386 91,964
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 21
Davis 5
Irvine 8
Los Angeles 204
Riverside 3
San Diego 10
San Francisco 13
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 2
Los Alamos 0
MELWEB 0
Searchlight 802
Other - UC 2,273
Other-Network UC 44
_____
3,386
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 31
Davis 0
Irvine 34
Los Angeles 1,821
Riverside 205
San Diego 0
San Francisco 12
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 25
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 86,439
Other-Network UC 3,397
_____
91,964
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 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 0.5
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:39
Average session length (minutes:seconds) 12:44
Longest session recorded (minutes:seconds) 127:17
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 817.3
Retrievals per search - standard deviation 7047.0
Percent of searches completed with 0 results 26.0%
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 3,386 13.1%
PRESENT 20,393 79.1%
INIT or CLOSE 2,005 7.8%
OTHER 9 0.0%
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 716 16.8% 206 28.8% 4 41.8 297.2
TITLE WORD 358 8.4% 145 40.5% 4 133.3 573.3
EXACT TITLE 51 1.2% 20 39.2% 1 40.2 176.0
JOURNAL 177 4.1% 78 44.1% 12 1037.1 4660.9
EXACT JOURNAL 513 12.0% 78 15.2% 523 1373.8 3643.6
SUBJECT 185 4.3% 74 40.0% 38 1269.6 4870.3
EXACT SUBJECT 103 2.4% 30 29.1% 30 2519.2 10660.6
KEYWORD 1,665 39.0% 412 24.7% 28 1389.6 10907.4
PUB TYPE 44 1.0% 7 15.9% 18 203.3 481.1
DATE 152 3.6% 40 26.3% 3 43.9 140.5
ADDED 25 0.6% 20 80.0% 12 15.8 9.9
LANGUAGE 42 1.0% 9 21.4% 30 492.7 1642.7
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 15 0.4% 6 40.0% 348 294.8 271.1
COMPANY NAME 66 1.5% 17 25.8% 14 120.7 374.8
EX COMPANY NAME 24 0.6% 3 12.5% 33 69.7 71.7
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 4 0.1% 0 0.0% 1 1.0 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 36 0.8% 6 16.7% 29 998.6 3390.3
AT 91 2.1% 18 19.8% 135 1085.2 2559.5
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 738 21.8% 238 32.2% 8 319.9 1998.7
Single 2,648 78.2% 641 24.2% 34 1299.1 9067.4
PRESENT commands, by type:
MARC 59.7%
OPAC 14.4%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)