MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/00 through 05/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 4,358 155,800
2-4 a.m. 1,455 45,040
4-6 a.m. 518 18,295
6-8 a.m. 940 30,683
8-10 a.m. 7,018 224,948
10-12 a.m. 18,684 623,527
12-2 p.m. 25,264 838,472
2-4 p.m. 29,042 969,237
4-6 p.m. 24,189 843,505
6-8 p.m. 15,864 587,117
8-10 p.m. 14,224 545,442
10-12 p.m. 10,539 409,158
__________ _____________ _________________
Total: 152,095 5,291,224
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 127
Davis 61
Irvine 27
Los Angeles 137
Riverside 13
San Diego 508
San Francisco 12
Santa Barbara 54
Santa Cruz 10
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 144,910
Searchlight 4,771
Other - UC 1,211
Other-Network UC 254
_____
152,095
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3,852
Davis 1,269
Irvine 403
Los Angeles 1,104
Riverside 836
San Diego 53
San Francisco 171
Santa Barbara 664
Santa Cruz 94
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 5,253,378
Searchlight 4,544
Other - UC 22,168
Other-Network UC 2,688
_____
5,291,224
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.7
Standard deviation in seconds 6.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.7
Standard deviation in seconds 1.7
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 23:11
Average session length (minutes:seconds) 25:14
Longest session recorded (minutes:seconds) 269:25
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 853.0
Retrievals per search - standard deviation 14825
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 152,095 12.5%
PRESENT 1,003,572 82.7%
INIT or CLOSE 55,717 4.6%
OTHER 1,770 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 17,634 8.1% 5,703 32.3% 5 71.3 934.2
TITLE WORD 15,766 7.2% 5,436 34.5% 4 189.7 1884.6
EXACT TITLE 2,528 1.2% 1,676 66.3% 1 37.8 237.7
JOURNAL TITLE 10,904 5.0% 5,684 52.1% 7 1886.9 8535.8
EXACT JOURNAL 7,460 3.4% 1,859 24.9% 548 4460.6 10733.0
SUBJECT WORD 18,669 8.6% 8,278 44.3% 13 573.0 11203.6
EXACT SUBJECT 8,632 4.0% 1,831 21.2% 12 4970.5 60193.9
KEYWORD 90,876 41.7% 14,891 16.4% 23 708.3 9064.3
DATE 4,441 2.0% 1,225 27.6% 17 151.0 973.9
ADDED SINCE 678 0.3% 419 61.8% 3 195.6 2597.3
PUB TYPE 1,313 0.6% 573 43.6% 10 141.2 888.8
SUBFILE 1,286 0.6% 351 27.3% 24 182.7 936.6
ID 109 0.0% 1 0.9% 1 1.0 0.0
ISSN 34 0.0% 25 73.5% 5 67.9 94.1
SIC 15 0.0% 4 26.7% 16 109.5 171.3
ILLUS 28 0.0% 10 35.7% 13 187.2 578.0
ARTICLE 5,547 2.5% 723 13.0% 127 1865.2 5053.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 31,923 14.6% 7,571 23.7% 25 711.7 5245.3
Other indexes 165 0.1% 128 77.6% 24 614.8 1640.1
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 53,024 34.9% 15,138 28.5% 19 736.0 4773.6
Single 99,071 65.1% 20,567 20.8% 19 1297.5 20353.5
PRESENT commands, by type:
MARC 44.9%
OPAC 34.2%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (