MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/02/02 through 02/08/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 491 4,346
2-4 a.m. 386 4,553
4-6 a.m. 171 1,349
6-8 a.m. 356 4,474
8-10 a.m. 1,121 17,158
10-12 a.m. 2,464 50,767
12-2 p.m. 2,749 45,184
2-4 p.m. 3,034 54,626
4-6 p.m. 2,109 36,012
6-8 p.m. 1,164 23,119
8-10 p.m. 820 19,809
10-12 p.m. 520 8,383
__________ _____________ _________________
Total: 15,385 269,780
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 196
Davis 385
Irvine 90
Los Angeles 164
Riverside 31
San Diego 67
San Francisco 23
Santa Barbara 67
Santa Cruz 120
Lawrence Berkeley 35
Lawrence Livermore 44
Los Alamos 0
MELWEB 10,518
Searchlight 3,239
Other - UC 185
Other-Network UC 221
_____
15,385
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,733
Davis 3,910
Irvine 1,053
Los Angeles 2,089
Riverside 503
San Diego 630
San Francisco 158
Santa Barbara 1,293
Santa Cruz 495
Lawrence Berkeley 383
Lawrence Livermore 830
Los Alamos 0
MELWEB 235,033
Searchlight 12,214
Other - UC 5,757
Other-Network UC 3,699
_____
269,780
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 1.7
Standard deviation in seconds 6.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.7
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:31
Average session length (minutes:seconds) 15:31
Longest session recorded (minutes:seconds) 174:03
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 524.7
Retrievals per search - standard deviation 4896.2
Percent of searches completed with 0 results 26.0%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 15,385 18.2%
PRESENT 61,629 72.9%
INIT or CLOSE 7,175 8.5%
OTHER 366 0.4%
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 6,504 32.1% 1,390 21.4% 15 245.8 2089.4
TITLE WORD 8,604 42.5% 2,404 27.9% 11 738.9 6658.0
EXACT TITLE 167 0.8% 94 56.3% 1 71.4 554.3
JOURNAL 1,185 5.9% 487 41.1% 11 1820.3 8511.8
EXACT JOURNAL 574 2.8% 157 27.4% 461 2439.3 6547.4
DATE 566 2.8% 89 15.7% 8 261.7 2578.4
ADDED SINCE 1,123 5.5% 829 73.8% 3 11.5 30.4
SUBFILE 137 0.7% 65 47.4% 15 266.9 1169.4
LANGUAGE 213 1.1% 49 23.0% 17 362.2 1898.1
SUBJECT CATEGORY 140 0.7% 40 28.6% 18 90.8 178.9
PUB TYPE 148 0.7% 29 19.6% 23 2361.9 23463.9
ISN 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 857 4.2% 214 25.0% 17 720.6 3914.5
Other indexes 18 0.1% 14 77.8% 1 1.0 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 4,103 26.7% 1,611 39.3% 6 372.9 5639.5
Single 11,282 73.3% 2,383 21.1% 22 802.8 5686.5
PRESENT commands, by type:
MARC 53.8%
OPAC 27.8%
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