MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/01 through 11/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,255 35,005
2-4 a.m. 2,074 17,392
4-6 a.m. 806 8,357
6-8 a.m. 1,541 25,270
8-10 a.m. 4,496 76,615
10-12 a.m. 9,181 156,376
12-2 p.m. 10,300 175,259
2-4 p.m. 12,264 201,408
4-6 p.m. 10,139 180,762
6-8 p.m. 4,771 84,313
8-10 p.m. 3,493 52,597
10-12 p.m. 2,445 35,305
__________ _____________ _________________
Total: 63,765 1,048,659
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,002
Davis 1,572
Irvine 370
Los Angeles 626
Riverside 373
San Diego 306
San Francisco 337
Santa Barbara 328
Santa Cruz 226
Lawrence Berkeley 227
Lawrence Livermore 151
Los Alamos 0
MELWEB 0
Searchlight 9,716
Other - UC 47,743
Other-Network UC 788
_____
63,765
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 17,566
Davis 14,297
Irvine 6,890
Los Angeles 9,188
Riverside 10,926
San Diego 6,334
San Francisco 2,734
Santa Barbara 4,878
Santa Cruz 4,702
Lawrence Berkeley 4,331
Lawrence Livermore 3,612
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 950,305
Other-Network UC 12,896
_____
1,048,659
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.9
Standard deviation in seconds 7.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.7
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 15:04
Average session length (minutes:seconds) 13:53
Longest session recorded (minutes:seconds) 189:01
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 614.8
Retrievals per search - standard deviation 8056.1
Percent of searches completed with 0 results 27.2%
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 63,765 18.0%
PRESENT 259,174 73.2%
INIT or CLOSE 30,897 8.7%
OTHER 303 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 25,259 29.8% 5,302 21.0% 14 228.9 2210.8
TITLE WORD 37,063 43.7% 11,092 29.9% 11 610.2 6151.1
EXACT TITLE 801 0.9% 415 51.8% 1 68.3 450.9
JOURNAL 5,200 6.1% 2,191 42.1% 11 4201.0 30154.6
EXACT JOURNAL 2,226 2.6% 757 34.0% 629 4050.1 9944.8
DATE 2,277 2.7% 418 18.4% 8 146.1 731.7
ADDED SINCE 4,606 5.4% 3,470 75.3% 3 51.6 1206.1
SUBFILE 559 0.7% 176 31.5% 20 328.2 2164.1
LANGUAGE 1,188 1.4% 289 24.3% 29 530.7 3492.7
SUBJECT CATEGORY 734 0.9% 218 29.7% 12 1889.5 9693.6
PUB TYPE 712 0.8% 132 18.5% 18 1983.9 20631.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,151 4.9% 1,108 26.7% 24 879.4 7315.8
Other indexes 96 0.1% 75 78.1% 5 210.8 386.6
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 17,325 27.2% 6,892 39.8% 6 483.0 5869.1
Single 46,440 72.8% 10,460 22.5% 20 949.6 10233.9
PRESENT commands, by type:
MARC 57.2%
OPAC 27.3%
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