MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/01 through 01/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,915 59,542
2-4 a.m. 735 20,473
4-6 a.m. 196 4,775
6-8 a.m. 518 14,869
8-10 a.m. 5,703 157,055
10-12 a.m. 14,962 429,962
12-2 p.m. 18,036 564,009
2-4 p.m. 19,730 613,010
4-6 p.m. 15,416 485,453
6-8 p.m. 9,632 321,132
8-10 p.m. 7,348 264,867
10-12 p.m. 4,919 168,834
__________ _____________ _________________
Total: 99,110 3,103,981
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 88
Davis 120
Irvine 177
Los Angeles 116
Riverside 1
San Diego 114
San Francisco 24
Santa Barbara 24
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 90,846
Searchlight 6,473
Other - UC 928
Other-Network UC 198
_____
99,110
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,906
Davis 1,915
Irvine 2,407
Los Angeles 1,545
Riverside 20
San Diego 538
San Francisco 112
Santa Barbara 498
Santa Cruz 7
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,066,592
Searchlight 5,297
Other - UC 19,213
Other-Network UC 3,931
_____
3,103,981
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.6
Standard deviation in seconds 7.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.9
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:31
Average session length (minutes:seconds) 23:54
Longest session recorded (minutes:seconds) 286:43
Average number of searches completed per session 0.0
Retrievals per search - median 9.0
Retrievals per search - average 1278.2
Retrievals per search - standard deviation 18250
Percent of searches completed with 0 results 22.6%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 99,110 13.5%
PRESENT 596,589 81.0%
INIT or CLOSE 39,018 5.3%
OTHER 1,397 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 13,317 9.5% 4,039 30.3% 6 71.8 848.4
TITLE WORD 10,985 7.8% 3,715 33.8% 6 329.6 11956.6
EXACT TITLE 1,664 1.2% 1,074 64.5% 1 51.2 324.8
JOURNAL TITLE 7,549 5.4% 3,997 52.9% 12 2567.9 15430.4
EXACT JOURNAL 7,540 5.4% 1,467 19.5% 939 7619.2 29356.9
SUBJECT WORD 9,856 7.0% 4,191 42.5% 13 383.9 2693.6
EXACT SUBJECT 5,249 3.7% 834 15.9% 12 5728.3 66442.1
KEYWORD 55,374 39.5% 8,872 16.0% 28 914.9 12276.9
DATE 4,434 3.2% 964 21.7% 49 133.1 532.0
ADDED SINCE 488 0.3% 327 67.0% 4 15.8 34.7
PUB TYPE 1,031 0.7% 408 39.6% 13 179.2 1203.1
SUBFILE 2,561 1.8% 406 15.9% 62 134.2 891.3
ID 108 0.1% 1 0.9% 1 1.0 0.0
ISSN 12 0.0% 10 83.3% 803 803.0 401.6
SIC 2 0.0% 1 50.0% 138 138.0 0.0
ILLUS 54 0.0% 22 40.7% 75 56.2 44.4
ARTICLE 1,781 1.3% 459 25.8% 30 259.0 1256.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 17,920 12.8% 3,848 21.5% 40 980.3 6132.9
Other indexes 110 0.1% 73 66.4% 49 2245.8 8611.5
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 31,092 31.4% 9,075 29.2% 20 731.4 8468.5
Single 68,018 68.6% 13,307 19.6% 24 2021.1 23940.7
PRESENT commands, by type:
MARC 45.1%
OPAC 32.7%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (