MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/01 through 07/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,320 37,368
2-4 a.m. 611 15,118
4-6 a.m. 369 8,003
6-8 a.m. 631 15,525
8-10 a.m. 4,195 109,208
10-12 a.m. 11,637 328,690
12-2 p.m. 13,676 411,024
2-4 p.m. 17,091 523,754
4-6 p.m. 10,886 364,253
6-8 p.m. 5,009 171,701
8-10 p.m. 2,856 93,972
10-12 p.m. 2,111 70,727
__________ _____________ _________________
Total: 70,392 2,149,343
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 82
Davis 48
Irvine 17
Los Angeles 281
Riverside 9
San Diego 46
San Francisco 69
Santa Barbara 144
Santa Cruz 24
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 142
Searchlight 4,257
Other - UC 65,101
Other-Network UC 172
_____
70,392
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 915
Davis 820
Irvine 25
Los Angeles 1,231
Riverside 64
San Diego 443
San Francisco 277
Santa Barbara 2,194
Santa Cruz 334
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 2,140,019
Other-Network UC 3,021
_____
2,149,343
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.2
Standard deviation in seconds 6.4
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) 21:46
Average session length (minutes:seconds) 22:48
Longest session recorded (minutes:seconds) 265:56
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1179.9
Retrievals per search - standard deviation 12502
Percent of searches completed with 0 results 23.6%
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 70,392 13.7%
PRESENT 414,282 80.6%
INIT or CLOSE 28,852 5.6%
OTHER 573 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 10,968 11.5% 3,536 32.2% 5 67.8 880.9
TITLE WORD 8,553 9.0% 2,799 32.7% 5 200.5 1520.9
EXACT TITLE 1,258 1.3% 838 66.6% 1 24.1 180.0
JOURNAL TITLE 5,802 6.1% 3,023 52.1% 10 3094.7 15186.8
EXACT JOURNAL 7,265 7.6% 1,175 16.2% 954 5353.4 10871.3
SUBJECT WORD 5,820 6.1% 2,563 44.0% 13 544.9 10748.3
EXACT SUBJECT 3,089 3.2% 574 18.6% 13 3224.0 50685.5
KEYWORD 36,558 38.3% 6,324 17.3% 25 1053.1 10255.8
DATE 2,336 2.4% 658 28.2% 20 263.9 1570.8
ADDED SINCE 503 0.5% 383 76.1% 4 33.1 85.6
PUB TYPE 592 0.6% 208 35.1% 14 64.5 230.7
SUBFILE 919 1.0% 204 22.2% 20 200.7 1127.9
ID 74 0.1% 0 0.0% 1 1.0 0.0
ISSN 18 0.0% 10 55.6% 506 676.3 793.8
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 18 0.0% 4 22.2% 14 68.0 149.5
ARTICLE 1,612 1.7% 285 17.7% 24 274.7 1790.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 9,985 10.5% 2,413 24.2% 27 1195.9 8148.1
Other indexes 73 0.1% 58 79.4% 2 380.0 1166.2
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 19,874 28.2% 6,372 32.1% 12 816.1 8867.2
Single 50,518 71.8% 10,206 20.2% 27 1787.1 15672.1
PRESENT commands, by type:
MARC 45.5%
OPAC 32.7%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (