MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/02 through 03/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,873 89,661
2-4 a.m. 1,170 31,741
4-6 a.m. 545 13,736
6-8 a.m. 794 21,530
8-10 a.m. 5,346 140,448
10-12 a.m. 12,715 377,261
12-2 p.m. 17,345 522,144
2-4 p.m. 20,635 631,751
4-6 p.m. 17,216 561,837
6-8 p.m. 10,214 314,665
8-10 p.m. 9,291 316,547
10-12 p.m. 6,874 220,539
__________ _____________ _________________
Total: 105,018 3,241,860
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 137
Davis 25
Irvine 23
Los Angeles 122
Riverside 8
San Diego 50
San Francisco 6
Santa Barbara 22
Santa Cruz 6
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 95,478
Searchlight 6,877
Other - UC 1,949
Other-Network UC 315
_____
105,018
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,076
Davis 412
Irvine 218
Los Angeles 1,596
Riverside 7
San Diego 306
San Francisco 15
Santa Barbara 203
Santa Cruz 28
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,195,203
Searchlight 10,793
Other - UC 29,932
Other-Network UC 2,071
_____
3,241,860
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 11.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:01
Average session length (minutes:seconds) 23:03
Longest session recorded (minutes:seconds) 235:09
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1021.8
Retrievals per search - standard deviation 12586
Percent of searches completed with 0 results 22.8%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 105,018 13.6%
PRESENT 620,996 80.6%
INIT or CLOSE 42,144 5.5%
OTHER 2,477 0.3%
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 14,813 10.4% 4,302 29.0% 6 73.8 638.9
TITLE WORD 13,259 9.3% 4,243 32.0% 4 240.4 2111.9
EXACT TITLE 2,043 1.4% 1,301 63.7% 1 55.4 496.6
JOURNAL TITLE 8,722 6.1% 4,528 51.9% 10 2172.5 9816.7
EXACT JOURNAL 8,367 5.9% 1,549 18.5% 830 5345.5 12863.3
SUBJECT WORD 9,379 6.6% 4,025 42.9% 12 1075.9 24780.0
EXACT SUBJECT 4,180 2.9% 757 18.1% 13 2820.0 48805.7
KEYWORD 57,725 40.4% 9,515 16.5% 23 932.5 9413.4
DATE 2,606 1.8% 715 27.4% 20 198.9 764.7
ADDED SINCE 481 0.3% 300 62.4% 19 30.4 55.6
PUB TYPE 664 0.5% 265 39.9% 17 226.3 1649.1
SUBFILE 586 0.4% 189 32.3% 30 393.9 2549.7
ID 152 0.1% 2 1.3% 1 1.0 0.0
ISSN 35 0.0% 29 82.9% 77 922.0 1348.9
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 10 0.0% 5 50.0% 6 18.6 25.5
ARTICLE 2,007 1.4% 342 17.0% 35 467.7 2367.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 17,509 12.3% 4,023 23.0% 26 909.6 6071.3
Other indexes 296 0.2% 230 77.7% 13 197.6 609.0
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 31,005 29.5% 9,427 30.4% 14 686.4 7884.8
Single 74,013 70.5% 14,501 19.6% 22 1554.2 16008.1
PRESENT commands, by type:
MARC 45.3%
OPAC 29.7%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (