MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/00 through 04/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,425 127,498
2-4 a.m. 1,165 41,072
4-6 a.m. 319 14,949
6-8 a.m. 902 24,243
8-10 a.m. 7,629 227,023
10-12 a.m. 19,465 608,372
12-2 p.m. 23,975 788,394
2-4 p.m. 27,038 907,707
4-6 p.m. 22,080 765,343
6-8 p.m. 12,604 458,736
8-10 p.m. 11,639 433,896
10-12 p.m. 7,992 326,050
__________ _____________ _________________
Total: 138,233 4,723,283
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 49
Davis 57
Irvine 37
Los Angeles 8
Riverside 0
San Diego 685
San Francisco 15
Santa Barbara 26
Santa Cruz 11
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 131,295
Searchlight 1,598
Other - UC 4,177
Other-Network UC 275
_____
138,233
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 919
Davis 937
Irvine 745
Los Angeles 117
Riverside 0
San Diego 10
San Francisco 108
Santa Barbara 553
Santa Cruz 179
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 4,612,899
Searchlight 5,016
Other - UC 95,216
Other-Network UC 6,584
_____
4,723,283
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.5
Standard deviation in seconds 7.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.0
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:55
Average session length (minutes:seconds) 24:38
Longest session recorded (minutes:seconds) 282:45
Average number of searches completed per session 0.0
Retrievals per search - median 9.0
Retrievals per search - average 1050.5
Retrievals per search - standard deviation 16841
Percent of searches completed with 0 results 22.4%
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 138,233 12.5%
PRESENT 909,357 82.1%
INIT or CLOSE 51,619 4.7%
OTHER 7,734 0.7%
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 16,194 8.4% 4,912 30.3% 6 69.9 628.5
TITLE WORD 15,679 8.1% 5,031 32.1% 6 260.5 2705.2
EXACT TITLE 2,456 1.3% 1,637 66.7% 1 26.7 126.2
JOURNAL TITLE 9,861 5.1% 5,115 51.9% 11 2892.7 17350.6
EXACT JOURNAL 6,986 3.6% 1,607 23.0% 634 4538.3 10209.4
SUBJECT WORD 15,319 8.0% 6,371 41.6% 15 505.4 11784.7
EXACT SUBJECT 8,665 4.5% 1,608 18.6% 11 5020.7 59952.0
KEYWORD 78,822 40.9% 12,280 15.6% 27 964.2 12389.5
DATE 4,827 2.5% 1,311 27.2% 17 181.4 894.6
ADDED SINCE 643 0.3% 417 64.9% 4 14.6 35.8
PUB TYPE 1,473 0.8% 526 35.7% 15 603.1 12166.8
SUBFILE 1,522 0.8% 426 28.0% 16 170.8 1053.2
ID 365 0.2% 2 0.5% 1 1.0 0.1
ISSN 21 0.0% 16 76.2% 997 1985.8 3282.4
SIC 1 0.0% 0 0.0% 34 34.0 0.0
ILLUS 50 0.0% 19 38.0% 27 79.2 153.1
ARTICLE 4,869 2.5% 571 11.7% 135 1578.5 4426.5
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 24,653 12.8% 5,614 22.8% 30 836.0 5287.8
Other indexes 136 0.1% 99 72.8% 115 1013.9 2581.5
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 43,750 31.6% 12,039 27.5% 22 756.8 4661.2
Single 94,483 68.3% 18,992 20.1% 21 1605.7 22569.9
PRESENT commands, by type:
MARC 46.4%
OPAC 31.6%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (