MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 12/02/00 through 12/08/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 212 7,307
2-4 a.m. 77 2,909
4-6 a.m. 46 568
6-8 a.m. 51 1,888
8-10 a.m. 295 6,269
10-12 a.m. 760 24,961
12-2 p.m. 873 28,660
2-4 p.m. 1,289 43,508
4-6 p.m. 1,036 40,328
6-8 p.m. 620 17,446
8-10 p.m. 549 22,566
10-12 p.m. 346 16,118
__________ _____________ _________________
Total: 6,154 212,528
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 20
Davis 12
Irvine 59
Los Angeles 10
Riverside 0
San Diego 20
San Francisco 5
Santa Barbara 3
Santa Cruz 19
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,936
Searchlight 1,931
Other - UC 120
Other-Network UC 19
_____
6,154
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 365
Davis 108
Irvine 1,453
Los Angeles 763
Riverside 0
San Diego 8
San Francisco 4
Santa Barbara 0
Santa Cruz 143
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 205,435
Searchlight 2,065
Other - UC 1,645
Other-Network UC 539
_____
212,528
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 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
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Median session length (minutes:seconds) 0:11
Average session length (minutes:seconds) 12:33
Longest session recorded (minutes:seconds) 197:15
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 1424.8
Retrievals per search - standard deviation 9383.4
Percent of searches completed with 0 results 27.7%
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 6,154 12.2%
PRESENT 40,473 80.6%
INIT or CLOSE 3,593 7.2%
OTHER 25 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 671 8.6% 159 23.7% 6 62.1 526.8
TITLE WORD 469 6.0% 140 29.8% 6 87.4 269.2
EXACT TITLE 80 1.0% 55 68.8% 1 53.0 136.1
JOURNAL 287 3.7% 128 44.6% 82 11132.3 16728.7
EXACT JOURNAL 427 5.5% 86 20.1% 628 6003.5 16611.5
SUBJECT 395 5.0% 178 45.1% 28 1315.5 7355.6
EXACT SUBJECT 240 3.1% 71 29.6% 61 5047.0 17405.7
KEYWORD 4,083 52.2% 1,106 27.1% 24 1259.9 10239.9
PUB TYPE 84 1.1% 15 17.9% 26 141.2 342.6
DATE 274 3.5% 60 21.9% 18 378.6 1378.6
ADDED 41 0.5% 25 61.0% 10 36.1 41.2
LANGUAGE 60 0.8% 12 20.0% 46 274.0 965.3
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 64 0.8% 22 34.4% 8 439.2 1291.6
COMPANY NAME 118 1.5% 31 26.3% 16 224.7 729.4
EX COMPANY NAME 32 0.4% 12 37.5% 17 195.8 492.8
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 2 0.0% 1 50.0% 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 70 0.9% 12 17.1% 28 223.0 540.5
AT 421 5.4% 97 23.0% 66 1681.4 7273.7
Other indexes 10 0.1% 6 60.0% 9 98.8 182.2
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 1,342 21.8% 397 29.6% 20 693.9 4359.1
Single 4,812 78.2% 1,305 27.1% 27 2313.1 12144.5
PRESENT commands, by type:
MARC 46.2%
OPAC 22.0%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)