MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/99 through 12/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,912 76,156
2-4 a.m. 905 28,633
4-6 a.m. 393 15,993
6-8 a.m. 670 24,561
8-10 a.m. 3,785 130,130
10-12 a.m. 9,292 321,156
12-2 p.m. 12,868 470,726
2-4 p.m. 15,898 583,998
4-6 p.m. 12,251 539,106
6-8 p.m. 7,078 291,371
8-10 p.m. 6,018 260,614
10-12 p.m. 4,097 167,417
__________ _____________ _________________
Total: 75,167 2,909,861
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 31
Davis 120
Irvine 38
Los Angeles 36
Riverside 0
San Diego 955
San Francisco 17
Santa Barbara 5
Santa Cruz 121
Lawrence Berkeley 33
Lawrence Livermore 0
Los Alamos 0
MELWEB 72,048
Other - UC 1,571
Other-Network UC 192
_____
75,167
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 784
Davis 2,545
Irvine 470
Los Angeles 761
Riverside 0
San Diego 130
San Francisco 137
Santa Barbara 21
Santa Cruz 2
Lawrence Berkeley 63
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,871,641
Other - UC 30,854
Other-Network UC 2,453
_____
2,909,861
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.3
Standard deviation in seconds 7.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.6
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 24:19
Average session length (minutes:seconds) 27:53
Longest session recorded (minutes:seconds) 239:03
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 860.0
Retrievals per search - standard deviation 13698
Percent of searches completed with 0 results 24.7%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 75,167 11.8%
PRESENT 540,090 84.4%
INIT or CLOSE 23,540 3.7%
OTHER 754 0.1%
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 11,717 11.0% 3,689 31.5% 6 48.7 346.9
TITLE WORD 9,213 8.6% 3,121 33.9% 6 243.8 2526.1
EXACT TITLE 1,598 1.5% 1,073 67.1% 1 38.2 232.8
JOURNAL TITLE 6,871 6.4% 3,576 52.0% 13 2393.4 13667.0
EXACT JOURNAL 4,627 4.3% 1,292 27.9% 417 3623.6 8867.7
SUBJECT WORD 9,485 8.9% 4,074 42.9% 12 527.0 14107.8
EXACT SUBJECT 3,856 3.6% 924 24.0% 12 4764.6 57518.0
KEYWORD 38,954 36.5% 6,315 16.2% 24 808.8 8431.1
DATE 2,392 2.2% 628 26.3% 20 163.1 718.3
ADDED SINCE 457 0.4% 354 77.5% 3 34.7 85.8
PUB TYPE 778 0.7% 312 40.1% 9 138.0 803.0
SUBFILE 549 0.5% 212 38.6% 19 196.8 1125.9
ID 95 0.1% 1 1.1% 1 1.0 0.0
ISSN 18 0.0% 13 72.2% 1,178 987.0 359.6
SIC 9 0.0% 5 55.6% 375 375.0 0.0
ILLUS 34 0.0% 10 29.4% 7 14.9 15.1
ARTICLE 3,336 3.1% 435 13.0% 132 1656.7 4606.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 12,668 11.9% 3,336 26.3% 25 578.0 3314.6
Other indexes 96 0.1% 71 74.0% 42 727.7 1527.1
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 25,152 33.5% 7,917 31.5% 19 624.5 3175.2
Single 50,015 66.5% 10,643 21.3% 19 1368.6 18792.6
PRESENT commands, by type:
MARC 44.5%
OPAC 31.0%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (