MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/02 through 04/30/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,763 73,085
2-4 a.m. 913 23,225
4-6 a.m. 264 7,310
6-8 a.m. 694 15,884
8-10 a.m. 5,297 138,579
10-12 a.m. 13,040 359,840
12-2 p.m. 16,995 476,434
2-4 p.m. 19,745 584,818
4-6 p.m. 15,351 471,806
6-8 p.m. 10,072 310,537
8-10 p.m. 8,786 272,509
10-12 p.m. 6,153 192,645
__________ _____________ _________________
Total: 100,073 2,926,672
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 57
Davis 134
Irvine 55
Los Angeles 96
Riverside 9
San Diego 72
San Francisco 39
Santa Barbara 29
Santa Cruz 21
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 89,533
Searchlight 7,296
Other - UC 2,325
Other-Network UC 407
_____
100,073
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 743
Davis 1,598
Irvine 132
Los Angeles 1,740
Riverside 298
San Diego 288
San Francisco 808
Santa Barbara 518
Santa Cruz 320
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,874,185
Searchlight 2,376
Other - UC 42,718
Other-Network UC 948
_____
2,926,672
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 4.7
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) 21:57
Average session length (minutes:seconds) 22:25
Longest session recorded (minutes:seconds) 200:23
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1097.8
Retrievals per search - standard deviation 14291
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 100,073 14.2%
PRESENT 563,632 79.9%
INIT or CLOSE 40,896 5.8%
OTHER 802 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 13,833 10.3% 4,382 31.7% 6 66.3 543.5
TITLE WORD 12,985 9.6% 4,438 34.2% 6 315.1 2850.7
EXACT TITLE 2,023 1.5% 1,338 66.1% 1 32.6 254.1
JOURNAL TITLE 7,606 5.6% 3,978 52.3% 17 3242.5 18314.2
EXACT JOURNAL 7,742 5.7% 1,349 17.4% 827 5232.4 11866.4
SUBJECT WORD 8,941 6.6% 3,778 42.3% 14 444.7 3154.8
EXACT SUBJECT 4,021 3.0% 710 17.7% 13 4567.5 63110.9
KEYWORD 54,207 40.2% 9,117 16.8% 25 971.1 9722.4
DATE 2,360 1.8% 662 28.1% 19 159.3 574.7
ADDED SINCE 370 0.3% 251 67.8% 3 16.2 26.4
PUB TYPE 789 0.6% 287 36.4% 14 1620.7 33683.0
SUBFILE 570 0.4% 165 28.9% 34 257.1 740.0
ID 327 0.2% 0 0.0% 1 1.0 0.0
ISSN 34 0.0% 13 38.2% 229 849.3 1300.5
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 13 0.0% 5 38.5% 3 13.8 19.0
ARTICLE 1,375 1.0% 305 22.2% 30 319.6 1417.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 17,261 12.8% 3,730 21.6% 32 1162.3 8149.1
Other indexes 245 0.2% 187 76.3% 12 559.7 2393.5
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 28,890 28.9% 8,647 29.9% 16 824.8 6757.6
Single 71,183 71.1% 14,862 20.9% 24 1654.2 18591.4
PRESENT commands, by type:
MARC 46.1%
OPAC 29.0%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (