MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/02 through 02/28/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,140 96,503
2-4 a.m. 1,085 33,882
4-6 a.m. 437 13,863
6-8 a.m. 694 20,369
8-10 a.m. 6,069 178,967
10-12 a.m. 15,303 462,717
12-2 p.m. 20,186 622,929
2-4 p.m. 23,876 740,756
4-6 p.m. 19,779 618,806
6-8 p.m. 12,690 416,448
8-10 p.m. 10,660 361,851
10-12 p.m. 6,803 241,934
__________ _____________ _________________
Total: 120,722 3,809,025
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 80
Davis 69
Irvine 8
Los Angeles 178
Riverside 13
San Diego 18
San Francisco 23
Santa Barbara 23
Santa Cruz 31
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 110,759
Searchlight 7,731
Other - UC 1,679
Other-Network UC 109
_____
120,722
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,003
Davis 2,149
Irvine 225
Los Angeles 10,348
Riverside 58
San Diego 373
San Francisco 495
Santa Barbara 306
Santa Cruz 257
Lawrence Berkeley 0
Lawrence Livermore 18
Los Alamos 0
MELWEB 3,752,938
Searchlight 10,098
Other - UC 29,600
Other-Network UC 1,157
_____
3,809,025
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 4.3
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) 22:14
Average session length (minutes:seconds) 23:30
Longest session recorded (minutes:seconds) 244:39
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1157.3
Retrievals per search - standard deviation 14844
Percent of searches completed with 0 results 22.3%
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 120,722 13.4%
PRESENT 732,133 81.1%
INIT or CLOSE 47,697 5.3%
OTHER 2,323 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 15,077 9.1% 4,450 29.5% 6 65.2 659.7
TITLE WORD 13,494 8.1% 4,470 33.1% 4 251.4 2488.6
EXACT TITLE 2,173 1.3% 1,416 65.2% 1 51.9 722.4
JOURNAL TITLE 9,609 5.8% 4,883 50.8% 11 2980.3 17129.9
EXACT JOURNAL 8,596 5.2% 1,523 17.7% 938 5842.5 12634.6
SUBJECT WORD 11,302 6.8% 4,791 42.4% 13 832.1 19519.1
EXACT SUBJECT 5,685 3.4% 815 14.3% 12 3144.8 51520.8
KEYWORD 68,677 41.5% 10,998 16.0% 24 1069.5 12099.2
DATE 3,080 1.9% 844 27.4% 18 292.6 1696.1
ADDED SINCE 416 0.3% 316 76.0% 5 89.1 520.2
PUB TYPE 697 0.4% 305 43.8% 15 155.6 925.3
SUBFILE 1,065 0.6% 289 27.1% 21 263.4 1915.6
ID 129 0.1% 4 3.1% 1 1.0 0.0
ISSN 41 0.0% 25 61.0% 225 1103.3 2094.7
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 31 0.0% 12 38.7% 14 27.9 41.9
ARTICLE 2,188 1.3% 407 18.6% 31 384.4 1963.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 23,100 13.9% 4,840 20.9% 32 1382.8 9734.3
Other indexes 302 0.2% 224 74.2% 31 1384.1 4314.6
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 37,143 30.8% 10,418 28.0% 17 1023.1 8226.2
Single 83,579 69.2% 16,509 19.8% 22 1675.4 19205.5
PRESENT commands, by type:
MARC 46.0%
OPAC 30.2%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (