MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/01 through 10/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,760 36,466
2-4 a.m. 2,005 25,234
4-6 a.m. 699 9,931
6-8 a.m. 1,650 22,882
8-10 a.m. 5,340 109,629
10-12 a.m. 10,520 201,223
12-2 p.m. 10,892 197,447
2-4 p.m. 12,641 222,822
4-6 p.m. 9,949 172,069
6-8 p.m. 4,487 73,528
8-10 p.m. 2,915 46,873
10-12 p.m. 1,898 26,819
__________ _____________ _________________
Total: 65,756 1,144,923
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,031
Davis 1,992
Irvine 584
Los Angeles 363
Riverside 214
San Diego 724
San Francisco 673
Santa Barbara 765
Santa Cruz 399
Lawrence Berkeley 319
Lawrence Livermore 165
Los Alamos 0
MELWEB 0
Searchlight 8,040
Other - UC 49,550
Other-Network UC 937
_____
65,756
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,034
Davis 25,181
Irvine 6,725
Los Angeles 3,738
Riverside 10,609
San Diego 9,235
San Francisco 39,327
Santa Barbara 10,390
Santa Cruz 2,887
Lawrence Berkeley 4,114
Lawrence Livermore 3,587
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 995,328
Other-Network UC 22,768
_____
1,144,923
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.6
Standard deviation in seconds 6.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 1.4
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:21
Average session length (minutes:seconds) 14:49
Longest session recorded (minutes:seconds) 196:07
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 655.9
Retrievals per search - standard deviation 8154.6
Percent of searches completed with 0 results 25.9%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 65,756 15.5%
PRESENT 327,743 77.1%
INIT or CLOSE 31,029 7.3%
OTHER 397 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 27,717 31.5% 5,557 20.0% 15 215.0 1716.5
TITLE WORD 36,623 41.6% 10,392 28.4% 13 724.8 5470.4
EXACT TITLE 855 1.0% 418 48.9% 3 618.5 3015.0
JOURNAL 5,225 5.9% 2,189 41.9% 11 4367.6 32758.4
EXACT JOURNAL 2,670 3.0% 945 35.4% 482 3750.9 9586.6
DATE 2,511 2.9% 471 18.8% 7 182.2 2217.2
ADDED SINCE 4,744 5.4% 3,511 74.0% 4 14.0 29.8
SUBFILE 523 0.6% 163 31.2% 24 1179.6 9850.9
LANGUAGE 1,418 1.6% 297 20.9% 59 391.6 2200.5
SUBJECT CATEGORY 603 0.7% 207 34.3% 13 201.4 1207.3
PUB TYPE 813 0.9% 139 17.1% 79 596.8 9567.1
ISN 4 0.0% 2 50.0% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,213 4.8% 1,176 27.9% 34 1037.1 7739.7
Other indexes 79 0.1% 60 75.9% 9 105.5 243.3
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 18,254 27.8% 6,953 38.1% 7 403.4 4345.9
Single 47,502 72.2% 10,110 21.3% 23 1031.5 10529.8
PRESENT commands, by type:
MARC 64.7%
OPAC 22.0%
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