MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/01 through 11/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,988 129,290
2-4 a.m. 1,338 43,673
4-6 a.m. 608 14,577
6-8 a.m. 1,045 26,637
8-10 a.m. 7,200 205,963
10-12 a.m. 21,552 643,651
12-2 p.m. 28,477 868,688
2-4 p.m. 33,119 1,088,283
4-6 p.m. 26,824 849,187
6-8 p.m. 16,397 542,698
8-10 p.m. 13,989 487,805
10-12 p.m. 9,424 322,239
__________ _____________ _________________
Total: 163,961 5,222,691
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 151
Davis 184
Irvine 28
Los Angeles 641
Riverside 16
San Diego 66
San Francisco 9
Santa Barbara 13
Santa Cruz 11
Lawrence Berkeley 0
Lawrence Livermore 2
Los Alamos 1
MELWEB 0
Searchlight 9,718
Other - UC 152,932
Other-Network UC 189
_____
163,961
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 2,354
Davis 1,705
Irvine 570
Los Angeles 3,435
Riverside 959
San Diego 2,483
San Francisco 12
Santa Barbara 192
Santa Cruz 346
Lawrence Berkeley 0
Lawrence Livermore 62
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 5,207,643
Other-Network UC 2,930
_____
5,222,691
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 8.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:19
Average session length (minutes:seconds) 23:50
Longest session recorded (minutes:seconds) 233:02
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1069.8
Retrievals per search - standard deviation 16061
Percent of searches completed with 0 results 23.0%
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 163,961 13.3%
PRESENT 1,003,021 81.3%
INIT or CLOSE 63,713 5.2%
OTHER 2,992 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 20,396 9.0% 6,464 31.7% 5 61.7 574.1
TITLE WORD 19,373 8.6% 6,468 33.4% 4 225.6 3524.6
EXACT TITLE 3,120 1.4% 2,047 65.6% 1 34.1 210.7
JOURNAL TITLE 11,973 5.3% 6,244 52.1% 11 2417.4 15269.1
EXACT JOURNAL 12,434 5.5% 2,239 18.0% 786 5324.2 11877.1
SUBJECT WORD 16,486 7.3% 7,114 43.1% 12 444.0 9319.5
EXACT SUBJECT 8,580 3.8% 1,467 17.1% 13 5464.7 67781.6
KEYWORD 91,553 40.4% 15,555 17.0% 24 776.2 7621.7
DATE 4,956 2.2% 1,385 27.9% 24 693.9 13151.9
ADDED SINCE 690 0.3% 461 66.8% 5 84.9 519.4
PUB TYPE 1,495 0.7% 583 39.0% 18 929.2 22264.5
SUBFILE 1,680 0.7% 425 25.3% 32 307.5 1138.4
ID 345 0.2% 6 1.7% 1 1.0 0.0
ISSN 67 0.0% 55 82.1% 1,224 5282.8 12265.0
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 59 0.0% 33 55.9% 23 451.4 1279.3
ARTICLE 3,976 1.8% 810 20.4% 31 336.0 1545.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 28,816 12.7% 6,587 22.9% 29 951.5 6535.8
Other indexes 391 0.2% 335 85.7% 12 1435.6 7274.7
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 49,942 30.5% 15,155 30.3% 16 672.7 5300.6
Single 114,019 69.5% 22,625 19.8% 22 1663.2 21240.9
PRESENT commands, by type:
MARC 45.9%
OPAC 29.5%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (