MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 05/19/01 through 05/25/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,272 47,397
2-4 a.m. 605 17,487
4-6 a.m. 143 5,482
6-8 a.m. 253 7,713
8-10 a.m. 2,350 64,209
10-12 a.m. 5,937 175,308
12-2 p.m. 7,399 228,553
2-4 p.m. 8,174 265,908
4-6 p.m. 7,333 248,061
6-8 p.m. 4,871 162,382
8-10 p.m. 4,318 156,996
10-12 p.m. 3,032 105,719
__________ _____________ _________________
Total: 45,687 1,485,215
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 13
Irvine 76
Los Angeles 27
Riverside 25
San Diego 10
San Francisco 1
Santa Barbara 12
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 0
Los Alamos 0
MELWEB 42,427
Searchlight 2,854
Other - UC 224
Other-Network UC 14
_____
45,687
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 14
Davis 19
Irvine 296
Los Angeles 71
Riverside 433
San Diego 47
San Francisco 0
Santa Barbara 276
Santa Cruz 0
Lawrence Berkeley 2
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,477,590
Searchlight 408
Other - UC 5,928
Other-Network UC 131
_____
1,485,215
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 4.7
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) 22:17
Average session length (minutes:seconds) 23:59
Longest session recorded (minutes:seconds) 179:24
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1074.2
Retrievals per search - standard deviation 19089
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 45,687 13.2%
PRESENT 281,776 81.5%
INIT or CLOSE 17,671 5.1%
OTHER 581 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 5,285 8.3% 1,674 31.7% 5 83.4 1808.9
TITLE WORD 4,878 7.7% 1,633 33.5% 4 201.0 1901.6
EXACT TITLE 774 1.2% 466 60.2% 1 42.0 324.3
JOURNAL TITLE 3,230 5.1% 1,637 50.7% 7 2296.1 20865.8
EXACT JOURNAL 3,247 5.1% 627 19.3% 841 5005.8 11927.7
SUBJECT WORD 4,488 7.1% 1,949 43.4% 12 247.3 2194.1
EXACT SUBJECT 2,432 3.8% 485 19.9% 11 7890.8 80169.2
KEYWORD 27,150 42.7% 4,654 17.1% 21 698.7 11366.6
DATE 1,323 2.1% 364 27.5% 19 182.4 860.8
ADDED SINCE 136 0.2% 106 77.9% 5 17.1 42.6
PUB TYPE 450 0.7% 130 28.9% 10 262.9 3363.6
SUBFILE 474 0.7% 138 29.1% 22 194.0 604.6
ID 11 0.0% 2 18.2% 1 1.0 0.0
ISSN 7 0.0% 5 71.4% 1,075 1075.0 1151.2
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 26 0.0% 9 34.6% 29 73.4 134.0
ARTICLE 982 1.5% 180 18.3% 34 207.1 787.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 8,608 13.5% 1,881 21.9% 23 767.5 4829.4
Other indexes 101 0.2% 79 78.2% 2 102.0 224.4
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 14,460 31.6% 4,212 29.1% 15 563.6 4191.6
Single 31,227 68.3% 6,093 19.5% 20 1722.8 25577.5
PRESENT commands, by type:
MARC 44.5%
OPAC 33.0%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (