MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/16/01 through 06/22/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 610 9,799
2-4 a.m. 177 5,293
4-6 a.m. 97 2,556
6-8 a.m. 591 8,410
8-10 a.m. 985 15,427
10-12 a.m. 2,062 37,596
12-2 p.m. 2,131 35,491
2-4 p.m. 2,483 56,405
4-6 p.m. 1,639 30,391
6-8 p.m. 586 11,559
8-10 p.m. 372 5,909
10-12 p.m. 201 3,143
__________ _____________ _________________
Total: 11,934 221,979
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 188
Davis 675
Irvine 37
Los Angeles 142
Riverside 65
San Diego 98
San Francisco 218
Santa Barbara 155
Santa Cruz 56
Lawrence Berkeley 19
Lawrence Livermore 29
Los Alamos 0
MELWEB 2,129
Searchlight 1,180
Other - UC 6,669
Other-Network UC 274
_____
11,934
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,618
Davis 5,607
Irvine 499
Los Angeles 2,164
Riverside 483
San Diego 1,036
San Francisco 1,100
Santa Barbara 1,204
Santa Cruz 836
Lawrence Berkeley 710
Lawrence Livermore 433
Los Alamos 0
MELWEB 42,652
Searchlight 7,409
Other - UC 152,055
Other-Network UC 3,173
_____
221,979
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.6
Standard deviation in seconds 6.5
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) 20:30
Average session length (minutes:seconds) 15:45
Longest session recorded (minutes:seconds) 208:23
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 518.0
Retrievals per search - standard deviation 8405.3
Percent of searches completed with 0 results 24.6%
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 11,934 16.1%
PRESENT 56,879 76.8%
INIT or CLOSE 5,142 6.9%
OTHER 78 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 6,059 37.1% 1,101 18.2% 12 186.5 2011.1
TITLE WORD 5,635 34.5% 1,675 29.7% 8 398.9 3325.1
EXACT TITLE 124 0.8% 78 62.9% 1 27.7 99.0
JOURNAL 1,009 6.2% 379 37.6% 21 4748.2 34672.3
EXACT JOURNAL 561 3.4% 231 41.2% 184 2307.4 5795.2
DATE 795 4.9% 127 16.0% 5 57.1 328.7
ADDED SINCE 1,046 6.4% 718 68.6% 4 12.6 22.6
SUBFILE 120 0.7% 31 25.8% 14 125.1 327.6
LANGUAGE 182 1.1% 39 21.4% 26 124.8 277.3
SUBJECT CATEGORY 119 0.7% 32 26.9% 7 81.4 237.2
PUB TYPE 120 0.7% 12 10.0% 13 93.4 229.5
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 564 3.5% 159 28.2% 16 415.5 2788.2
Other indexes 5 0.0% 5 100% 0 0.0 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 3,696 31.0% 1,360 36.8% 5 127.7 1427.7
Single 8,238 69.0% 1,582 19.2% 22 883.9 11209.8
PRESENT commands, by type:
MARC 57.6%
OPAC 26.7%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we