MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/01 through 10/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,831 92,024
2-4 a.m. 745 21,967
4-6 a.m. 246 7,295
6-8 a.m. 916 22,230
8-10 a.m. 7,401 184,163
10-12 a.m. 18,110 514,799
12-2 p.m. 22,921 641,543
2-4 p.m. 26,809 768,670
4-6 p.m. 21,133 630,128
6-8 p.m. 12,397 392,154
8-10 p.m. 10,237 302,652
10-12 p.m. 7,000 210,250
__________ _____________ _________________
Total: 130,746 3,787,875
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 106
Davis 340
Irvine 44
Los Angeles 164
Riverside 18
San Diego 65
San Francisco 16
Santa Barbara 18
Santa Cruz 15
Lawrence Berkeley 5
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 8,038
Other - UC 121,667
Other-Network UC 250
_____
130,746
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,362
Davis 3,908
Irvine 255
Los Angeles 1,369
Riverside 70
San Diego 355
San Francisco 186
Santa Barbara 521
Santa Cruz 105
Lawrence Berkeley 125
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 3,777,216
Other-Network UC 2,403
_____
3,787,875
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 7.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 1.3
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 21:58
Average session length (minutes:seconds) 23:01
Longest session recorded (minutes:seconds) 210:06
Average number of searches completed per session 0.0
Retrievals per search - median 9.0
Retrievals per search - average 1321.5
Retrievals per search - standard deviation 16594
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 130,746 14.2%
PRESENT 732,633 79.8%
INIT or CLOSE 52,735 5.7%
OTHER 1,575 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 17,586 9.8% 5,289 30.1% 5 74.4 749.7
TITLE WORD 16,522 9.2% 5,172 31.3% 5 355.0 7000.7
EXACT TITLE 2,597 1.4% 1,733 66.7% 1 278.1 6899.4
JOURNAL TITLE 10,003 5.6% 4,927 49.3% 9 2597.8 11011.4
EXACT JOURNAL 13,042 7.2% 2,032 15.6% 926 5595.4 11660.3
SUBJECT WORD 12,329 6.9% 5,164 41.9% 14 387.2 2531.2
EXACT SUBJECT 6,097 3.4% 963 15.8% 12 6101.3 71579.4
KEYWORD 69,295 38.5% 11,557 16.7% 26 1030.1 10667.8
DATE 4,065 2.3% 1,074 26.4% 21 247.8 2801.6
ADDED SINCE 591 0.3% 411 69.5% 5 143.2 1011.1
PUB TYPE 1,165 0.6% 518 44.5% 13 418.2 5915.5
SUBFILE 1,681 0.9% 405 24.1% 29 281.3 1770.6
ID 155 0.1% 1 0.6% 1 1.0 0.0
ISSN 51 0.0% 15 29.4% 683 4381.8 10378.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 32 0.0% 16 50.0% 122 841.3 2030.8
ARTICLE 3,198 1.8% 651 20.4% 28 781.2 8936.6
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 21,266 11.8% 4,953 23.3% 29 1301.1 9429.8
Other indexes 287 0.2% 211 73.5% 7 448.2 1783.3
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 39,093 29.9% 11,655 29.8% 15 895.3 7969.4
Single 91,653 70.1% 17,700 19.3% 28 2004.1 21495.3
PRESENT commands, by type:
MARC 46.1%
OPAC 30.2%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (