MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/99 through 08/31/99
1.0 SUMMARY STATISTICS
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Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,315 11,234
2-4 a.m. 1,883 18,275
4-6 a.m. 364 2,204
6-8 a.m. 683 7,071
8-10 a.m. 3,297 60,500
10-12 a.m. 6,838 139,279
12-2 p.m. 6,876 152,716
2-4 p.m. 8,582 191,048
4-6 p.m. 6,875 161,259
6-8 p.m. 2,641 55,337
8-10 p.m. 1,686 37,400
10-12 p.m. 1,222 41,911
__________ _____________ _________________
Total: 42,262 878,234
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 867
Davis 525
Irvine 370
Los Angeles 351
Riverside 272
San Diego 5,544
San Francisco 250
Santa Barbara 286
Santa Cruz 424
Lawrence Berkeley 86
Lawrence Livermore 86
Los Alamos 0
MELWEB 32,069
Other - UC 752
Other-Network UC 380
_____
42,262
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,120
Davis 6,490
Irvine 3,149
Los Angeles 7,834
Riverside 3,497
San Diego 8,819
San Francisco 1,701
Santa Barbara 4,552
Santa Cruz 7,472
Lawrence Berkeley 1,398
Lawrence Livermore 1,529
Los Alamos 0
MELWEB 802,122
Other - UC 11,338
Other-Network UC 6,213
_____
878,234
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 1.1
Standard deviation in seconds 4.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.7
Standard deviation in seconds 1.9
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:41
Average session length (minutes:seconds) 16:27
Longest session recorded (minutes:seconds) 176:34
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 687.2
Retrievals per search - standard deviation 6693.0
Percent of searches completed with 0 results 20.5%
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 42,262 15.9%
PRESENT 206,511 77.5%
INIT or CLOSE 17,167 6.4%
OTHER 416 0.2%
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 18,851 34.3% 3,676 19.5% 18 232.5 3628.2
TITLE WORD 22,278 40.6% 4,508 20.2% 10 798.4 5422.5
EXACT TITLE 520 0.9% 296 56.9% 1 59.0 422.8
JOURNAL 3,615 6.6% 1,376 38.1% 11 3333.8 21830.1
EXACT JOURNAL 1,669 3.0% 414 24.8% 547 3447.8 8286.7
DATE 1,793 3.3% 416 23.2% 7 189.9 2530.8
ADDED SINCE 1,616 2.9% 1,231 76.2% 2 11.1 27.9
SUBFILE 328 0.6% 140 42.7% 20 589.5 2689.3
LANGUAGE 706 1.3% 179 25.4% 26 299.9 1355.7
SUBJECT CATEGORY 471 0.9% 149 31.6% 10 144.1 638.1
PUB TYPE 384 0.7% 82 21.4% 13 196.4 675.8
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 2,621 4.8% 675 25.8% 26 925.2 4770.5
Other indexes 38 0.1% 23 60.5% 28 291.1 554.1
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 10,195 24.1% 3,558 34.9% 7 369.6 2985.1
Single 32,067 75.9% 5,105 15.9% 24 986.1 8231.6
PRESENT commands, by type:
MARC 57.7%
OPAC 26.2%