MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/00 through 08/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,595 47,532
2-4 a.m. 941 16,380
4-6 a.m. 844 14,284
6-8 a.m. 1,591 26,906
8-10 a.m. 4,323 83,993
10-12 a.m. 8,845 162,637
12-2 p.m. 8,915 182,444
2-4 p.m. 10,868 224,109
4-6 p.m. 8,059 155,500
6-8 p.m. 2,988 61,557
8-10 p.m. 1,780 36,100
10-12 p.m. 1,351 30,430
__________ _____________ _________________
Total: 53,100 1,041,872
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 740
Davis 1,403
Irvine 216
Los Angeles 645
Riverside 142
San Diego 1,021
San Francisco 298
Santa Barbara 840
Santa Cruz 304
Lawrence Berkeley 169
Lawrence Livermore 181
Los Alamos 0
MELWEB 35,241
Searchlight 10,488
Other - UC 505
Other-Network UC 907
_____
53,100
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,820
Davis 18,374
Irvine 1,310
Los Angeles 14,825
Riverside 1,928
San Diego 8,901
San Francisco 4,495
Santa Barbara 15,138
Santa Cruz 5,763
Lawrence Berkeley 2,014
Lawrence Livermore 3,730
Los Alamos 0
MELWEB 787,744
Searchlight 145,834
Other - UC 8,462
Other-Network UC 11,534
_____
1,041,872
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 1.5
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 0.4
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:25
Average session length (minutes:seconds) 15:22
Longest session recorded (minutes:seconds) 183:24
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 671.5
Retrievals per search - standard deviation 7188.1
Percent of searches completed with 0 results 25.0%
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 53,100 15.6%
PRESENT 263,680 77.4%
INIT or CLOSE 23,501 6.9%
OTHER 262 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 23,985 33.5% 4,454 18.6% 14 198.7 1628.1
TITLE WORD 26,707 37.3% 7,583 28.4% 12 822.3 6416.4
EXACT TITLE 754 1.1% 407 54.0% 1 224.9 2286.7
JOURNAL 5,253 7.3% 2,146 40.9% 14 3555.8 23624.7
EXACT JOURNAL 2,519 3.5% 762 30.3% 342 3064.9 7509.0
DATE 2,722 3.8% 665 24.4% 7 68.6 362.3
ADDED SINCE 4,295 6.0% 3,006 70.0% 3 11.3 29.7
SUBFILE 353 0.5% 141 39.9% 27 887.6 4996.4
LANGUAGE 959 1.3% 254 26.5% 19 547.0 3845.0
SUBJECT CATEGORY 465 0.6% 199 42.8% 17 264.6 2551.7
PUB TYPE 448 0.6% 90 20.1% 23 1430.7 15680.5
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 3,121 4.4% 917 29.4% 18 912.7 6017.7
Other indexes 39 0.1% 27 69.2% 13 44.9 95.3
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 14,881 28.0% 5,809 39.0% 6 364.4 4079.4
Single 38,219 72.0% 7,460 19.5% 22 1051.8 9161.0
PRESENT commands, by type:
MARC 55.8%
OPAC 30.4%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we