MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/01 through 08/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,209 35,631
2-4 a.m. 504 11,684
4-6 a.m. 270 5,608
6-8 a.m. 581 11,997
8-10 a.m. 3,610 99,767
10-12 a.m. 9,877 291,680
12-2 p.m. 10,761 330,386
2-4 p.m. 14,002 410,848
4-6 p.m. 9,409 294,371
6-8 p.m. 3,819 139,834
8-10 p.m. 1,965 67,806
10-12 p.m. 1,504 46,354
__________ _____________ _________________
Total: 57,511 1,745,966
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 37
Davis 75
Irvine 22
Los Angeles 716
Riverside 4
San Diego 85
San Francisco 18
Santa Barbara 706
Santa Cruz 0
Lawrence Berkeley 8
Lawrence Livermore 0
Los Alamos 0
MELWEB 11
Searchlight 2,920
Other - UC 52,666
Other-Network UC 243
_____
57,511
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 423
Davis 890
Irvine 185
Los Angeles 29,126
Riverside 72
San Diego 1,074
San Francisco 188
Santa Barbara 5,053
Santa Cruz 0
Lawrence Berkeley 151
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 1,705,966
Other-Network UC 2,838
_____
1,745,966
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 8.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 21:37
Average session length (minutes:seconds) 22:18
Longest session recorded (minutes:seconds) 253:15
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 1250.0
Retrievals per search - standard deviation 13143
Percent of searches completed with 0 results 24.1%
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 57,511 13.0%
PRESENT 358,292 81.3%
INIT or CLOSE 24,476 5.6%
OTHER 418 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 11,395 14.5% 3,559 31.2% 5 43.7 435.1
TITLE WORD 7,377 9.4% 2,832 38.4% 4 271.3 2380.6
EXACT TITLE 1,286 1.6% 886 68.9% 1 21.4 113.7
JOURNAL TITLE 5,073 6.4% 2,523 49.7% 11 2412.8 11705.4
EXACT JOURNAL 6,679 8.5% 920 13.8% 935 5465.5 12062.7
SUBJECT WORD 4,366 5.5% 1,852 42.4% 14 343.6 1829.7
EXACT SUBJECT 2,160 2.7% 380 17.6% 13 4465.2 60646.1
KEYWORD 27,595 35.0% 5,016 18.2% 24 1067.7 9439.6
DATE 2,234 2.8% 741 33.2% 16 140.7 461.3
ADDED SINCE 607 0.8% 431 71.0% 3 20.9 57.7
PUB TYPE 561 0.7% 214 38.1% 22 104.1 304.9
SUBFILE 990 1.3% 231 23.3% 24 156.1 597.8
ID 58 0.1% 0 0.0% 1 1.0 0.0
ISSN 12 0.0% 12 100% 0 0.0 0.0
SIC 1 0.0% 1 100% 0 0.0 0.0
ILLUS 19 0.0% 13 68.4% 16 46.0 67.9
ARTICLE 900 1.1% 182 20.2% 48 279.1 1175.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 7,456 9.5% 1,748 23.4% 32 1173.6 8465.9
Other indexes 86 0.1% 66 76.7% 35 115.7 201.1
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 16,636 28.9% 5,579 33.5% 12 654.1 6134.3
Single 40,875 71.1% 8,277 20.2% 25 1983.4 17048.7
PRESENT commands, by type:
MARC 49.4%
OPAC 28.2%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (