MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/00 through 12/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,359 73,025
2-4 a.m. 947 30,055
4-6 a.m. 471 15,001
6-8 a.m. 573 17,110
8-10 a.m. 3,420 97,031
10-12 a.m. 9,007 293,572
12-2 p.m. 11,980 389,589
2-4 p.m. 14,815 486,926
4-6 p.m. 11,187 379,115
6-8 p.m. 6,688 237,932
8-10 p.m. 5,783 192,581
10-12 p.m. 4,166 143,905
__________ _____________ _________________
Total: 71,396 2,355,842
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 89
Irvine 82
Los Angeles 205
Riverside 0
San Diego 174
San Francisco 2
Santa Barbara 6
Santa Cruz 6
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 63,337
Searchlight 5,235
Other - UC 1,880
Other-Network UC 299
_____
71,396
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,601
Davis 2,237
Irvine 1,338
Los Angeles 835
Riverside 0
San Diego 492
San Francisco 6
Santa Barbara 44
Santa Cruz 109
Lawrence Berkeley 5
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,300,816
Searchlight 2,796
Other - UC 41,176
Other-Network UC 4,387
_____
2,355,842
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 4.2
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 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 21:59
Average session length (minutes:seconds) 23:14
Longest session recorded (minutes:seconds) 496:23
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1153.7
Retrievals per search - standard deviation 16997
Percent of searches completed with 0 results 23.5%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 71,396 12.9%
PRESENT 452,637 81.7%
INIT or CLOSE 28,917 5.2%
OTHER 890 0.2%
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 12,208 12.7% 3,612 29.6% 6 54.7 467.7
TITLE WORD 9,187 9.6% 3,080 33.5% 4 374.8 11072.3
EXACT TITLE 1,326 1.4% 882 66.5% 1 46.1 355.0
JOURNAL TITLE 5,939 6.2% 3,046 51.3% 8 2223.9 15625.5
EXACT JOURNAL 5,855 6.1% 1,093 18.7% 811 6688.7 26980.1
SUBJECT WORD 6,948 7.2% 2,937 42.3% 13 390.8 2978.2
EXACT SUBJECT 3,197 3.3% 621 19.4% 13 5733.2 66520.6
KEYWORD 36,258 37.8% 6,128 16.9% 22 833.4 11569.8
DATE 2,078 2.2% 536 25.8% 26 229.6 1233.6
ADDED SINCE 528 0.5% 387 73.3% 3 74.7 754.0
PUB TYPE 644 0.7% 208 32.3% 15 195.3 1695.4
SUBFILE 485 0.5% 130 26.8% 27 225.4 1004.4
ID 188 0.2% 2 1.1% 1 1.0 0.0
ISSN 9 0.0% 7 77.8% 207 206.5 290.6
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 29 0.0% 21 72.4% 6 41.4 53.2
ARTICLE 1,637 1.7% 314 19.2% 27 250.4 1172.8
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 9,417 9.8% 2,247 23.9% 23 1105.2 7081.8
Other indexes 69 0.1% 54 78.3% 27 1762.6 3777.3
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 20,029 28.1% 6,525 32.6% 12 641.5 5210.3
Single 51,367 71.9% 10,240 19.9% 20 1792.1 22171.3
PRESENT commands, by type:
MARC 46.4%
OPAC 25.6%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (