MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/00 through 04/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,841 65,784
2-4 a.m. 1,715 33,160
4-6 a.m. 621 15,431
6-8 a.m. 1,193 33,020
8-10 a.m. 4,069 84,221
10-12 a.m. 10,153 205,500
12-2 p.m. 9,796 200,364
2-4 p.m. 12,806 263,374
4-6 p.m. 9,519 205,347
6-8 p.m. 5,318 134,764
8-10 p.m. 3,660 87,577
10-12 p.m. 2,314 59,638
__________ _____________ _________________
Total: 64,005 1,388,180
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,025
Davis 995
Irvine 160
Los Angeles 244
Riverside 93
San Diego 1,263
San Francisco 332
Santa Barbara 330
Santa Cruz 300
Lawrence Berkeley 198
Lawrence Livermore 207
Los Alamos 0
MELWEB 50,072
Searchlight 6,820
Other - UC 1,066
Other-Network UC 900
_____
64,005
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,020
Davis 17,001
Irvine 6,561
Los Angeles 4,394
Riverside 1,442
San Diego 13,981
San Francisco 3,675
Santa Barbara 4,557
Santa Cruz 3,825
Lawrence Berkeley 5,514
Lawrence Livermore 2,379
Los Alamos 0
MELWEB 1,058,961
Searchlight 216,369
Other - UC 26,881
Other-Network UC 10,620
_____
1,388,180
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.2
Standard deviation in seconds 6.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.8
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:24
Average session length (minutes:seconds) 15:19
Longest session recorded (minutes:seconds) 222:01
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 675.4
Retrievals per search - standard deviation 6898.2
Percent of searches completed with 0 results 25.5%
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 64,005 15.4%
PRESENT 321,971 77.6%
INIT or CLOSE 28,252 6.8%
OTHER 478 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 23,293 26.4% 4,654 20.0% 17 230.4 2071.6
TITLE WORD 37,811 42.9% 10,264 27.1% 16 783.0 5560.2
EXACT TITLE 930 1.1% 512 55.1% 1 59.7 307.0
JOURNAL 5,509 6.2% 2,472 44.9% 16 3590.3 25268.5
EXACT JOURNAL 2,444 2.8% 685 28.0% 624 3874.8 8496.6
DATE 3,313 3.8% 770 23.2% 8 86.0 418.4
ADDED SINCE 3,539 4.0% 2,490 70.4% 3 10.9 23.6
SUBFILE 767 0.9% 240 31.3% 18 508.6 3004.3
LANGUAGE 2,146 2.4% 482 22.5% 19 474.2 3705.9
SUBJECT CATEGORY 940 1.1% 336 35.7% 14 358.3 3024.9
PUB TYPE 784 0.9% 147 18.8% 24 424.1 2816.1
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 6,638 7.5% 1,602 24.1% 34 1043.0 5585.3
Other indexes 65 0.1% 47 72.3% 38 323.6 430.9
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 17,870 27.9% 6,195 34.7% 10 531.8 3927.3
Single 46,135 72.1% 10,112 21.9% 25 1027.6 8900.3
PRESENT commands, by type:
MARC 50.6%
OPAC 36.2%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we