MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/02 through 05/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,781 35,557
2-4 a.m. 958 11,305
4-6 a.m. 880 11,225
6-8 a.m. 1,674 26,363
8-10 a.m. 4,417 74,010
10-12 a.m. 9,093 147,260
12-2 p.m. 9,172 143,314
2-4 p.m. 11,146 186,368
4-6 p.m. 7,935 132,981
6-8 p.m. 4,390 63,774
8-10 p.m. 2,881 40,670
10-12 p.m. 2,297 35,142
__________ _____________ _________________
Total: 57,624 907,969
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 1,053
Davis 2,204
Irvine 701
Los Angeles 474
Riverside 579
San Diego 734
San Francisco 344
Santa Barbara 490
Santa Cruz 399
Lawrence Berkeley 151
Lawrence Livermore 110
Los Alamos 0
MELWEB 35,762
Searchlight 13,139
Other - UC 539
Other-Network UC 945
_____
57,624
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10,505
Davis 22,559
Irvine 10,877
Los Angeles 6,500
Riverside 4,349
San Diego 15,110
San Francisco 4,608
Santa Barbara 8,354
Santa Cruz 4,664
Lawrence Berkeley 1,640
Lawrence Livermore 3,236
Los Alamos 0
MELWEB 721,525
Searchlight 71,786
Other - UC 8,371
Other-Network UC 13,885
_____
907,969
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 1.6
Standard deviation in seconds 6.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:21
Average session length (minutes:seconds) 14:33
Longest session recorded (minutes:seconds) 182:43
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 480.3
Retrievals per search - standard deviation 5418.4
Percent of searches completed with 0 results 26.8%
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 57,624 17.2%
PRESENT 248,805 74.4%
INIT or CLOSE 27,654 8.3%
OTHER 316 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 25,181 32.8% 5,123 20.3% 14 264.9 2864.4
TITLE WORD 31,934 41.6% 9,506 29.8% 10 554.4 5170.0
EXACT TITLE 620 0.8% 336 54.2% 1 158.3 1883.8
JOURNAL 4,407 5.7% 1,799 40.8% 10 2484.4 18045.5
EXACT JOURNAL 1,969 2.6% 709 36.0% 407 3550.6 9591.2
DATE 2,349 3.1% 404 17.2% 6 143.0 1714.6
ADDED SINCE 4,443 5.8% 3,269 73.6% 3 11.9 31.9
SUBFILE 389 0.5% 146 37.5% 15 515.8 3770.4
LANGUAGE 994 1.3% 253 25.4% 15 602.3 5823.1
SUBJECT CATEGORY 520 0.7% 155 29.8% 12 98.7 422.0
PUB TYPE 556 0.7% 100 18.0% 16 850.5 12352.8
ISN 4 0.0% 3 75.0% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,277 4.3% 855 26.1% 18 1009.1 7662.1
Other indexes 52 0.1% 44 84.6% 8 187.3 486.7
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 15,784 27.4% 6,081 38.5% 5 429.6 5415.8
Single 41,840 72.6% 9,373 22.4% 20 724.0 6570.6
PRESENT commands, by type:
MARC 61.2%
OPAC 25.3%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we