MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 09/29/01 through 10/05/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 802 8,521
2-4 a.m. 318 2,776
4-6 a.m. 156 2,970
6-8 a.m. 377 5,592
8-10 a.m. 1,082 29,270
10-12 a.m. 2,424 51,438
12-2 p.m. 2,362 45,767
2-4 p.m. 2,805 53,865
4-6 p.m. 2,279 43,237
6-8 p.m. 858 14,331
8-10 p.m. 433 5,917
10-12 p.m. 346 4,922
__________ _____________ _________________
Total: 14,242 268,606
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 94
Davis 314
Irvine 283
Los Angeles 102
Riverside 76
San Diego 155
San Francisco 97
Santa Barbara 174
Santa Cruz 158
Lawrence Berkeley 77
Lawrence Livermore 24
Los Alamos 0
MELWEB 0
Searchlight 1,210
Other - UC 11,335
Other-Network UC 143
_____
14,242
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,228
Davis 3,065
Irvine 3,535
Los Angeles 1,128
Riverside 7,735
San Diego 2,129
San Francisco 18,982
Santa Barbara 3,936
Santa Cruz 768
Lawrence Berkeley 972
Lawrence Livermore 392
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 223,600
Other-Network UC 1,136
_____
268,606
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 1.8
Standard deviation in seconds 6.8
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 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:39
Average session length (minutes:seconds) 16:09
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 488.9
Retrievals per search - standard deviation 5664.1
Percent of searches completed with 0 results 25.1%
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 14,242 13.4%
PRESENT 85,420 80.5%
INIT or CLOSE 6,438 6.1%
OTHER 46 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 6,005 30.4% 1,136 18.9% 14 202.3 1339.6
TITLE WORD 7,776 39.3% 2,096 27.0% 14 501.6 4747.7
EXACT TITLE 221 1.1% 105 47.5% 20 974.2 3783.0
JOURNAL 1,143 5.8% 468 40.9% 10 2047.5 19705.8
EXACT JOURNAL 633 3.2% 211 33.3% 506 4250.5 10927.7
DATE 595 3.0% 90 15.1% 6 130.9 654.5
ADDED SINCE 1,168 5.9% 884 75.7% 3 11.9 25.3
SUBFILE 164 0.8% 37 22.6% 14 364.6 2036.5
LANGUAGE 491 2.5% 81 16.5% 82 326.7 2517.6
SUBJECT CATEGORY 128 0.6% 39 30.5% 18 143.7 358.2
PUB TYPE 357 1.8% 36 10.1% 82 138.0 241.6
ISN 1 0.0% 0 0.0% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,060 5.4% 297 28.0% 44 828.6 4463.9
Other indexes 22 0.1% 20 90.9% 29 29.0 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 4,328 30.4% 1,546 35.7% 10 335.9 2578.5
Single 9,914 69.6% 2,023 20.4% 22 764.0 7441.1
PRESENT commands, by type:
MARC 69.4%
OPAC 18.4%
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