MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/02 through 05/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,672 111,382
2-4 a.m. 996 24,895
4-6 a.m. 493 16,366
6-8 a.m. 798 23,294
8-10 a.m. 5,663 158,391
10-12 a.m. 13,754 410,308
12-2 p.m. 20,086 581,126
2-4 p.m. 23,429 732,299
4-6 p.m. 18,922 601,847
6-8 p.m. 11,796 386,490
8-10 p.m. 10,620 349,490
10-12 p.m. 8,039 258,437
__________ _____________ _________________
Total: 118,268 3,654,325
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 86
Davis 147
Irvine 23
Los Angeles 159
Riverside 2
San Diego 86
San Francisco 5
Santa Barbara 19
Santa Cruz 34
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 108,381
Searchlight 7,909
Other - UC 1,316
Other-Network UC 101
_____
118,268
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 967
Davis 2,875
Irvine 398
Los Angeles 2,810
Riverside 25
San Diego 701
San Francisco 2
Santa Barbara 324
Santa Cruz 178
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,617,664
Searchlight 1,109
Other - UC 25,349
Other-Network UC 1,923
_____
3,654,325
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 6.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:09
Average session length (minutes:seconds) 23:12
Longest session recorded (minutes:seconds) 202:47
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1098.7
Retrievals per search - standard deviation 16828
Percent of searches completed with 0 results 22.9%
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 118,268 13.6%
PRESENT 700,843 80.8%
INIT or CLOSE 47,232 5.4%
OTHER 1,074 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 15,306 9.4% 4,601 30.1% 6 62.0 505.2
TITLE WORD 13,320 8.2% 4,456 33.5% 4 233.9 2696.0
EXACT TITLE 2,342 1.4% 1,512 64.6% 1 29.1 213.6
JOURNAL TITLE 9,217 5.7% 4,784 51.9% 12 2816.5 13062.3
EXACT JOURNAL 8,368 5.2% 1,551 18.5% 901 5567.9 12542.6
SUBJECT WORD 10,503 6.5% 4,609 43.9% 12 649.2 17078.5
EXACT SUBJECT 5,242 3.2% 938 17.9% 13 6144.9 73822.8
KEYWORD 67,971 41.9% 11,273 16.6% 24 830.2 10395.1
DATE 2,637 1.6% 696 26.4% 17 168.4 852.5
ADDED SINCE 395 0.2% 289 73.2% 4 97.0 518.6
PUB TYPE 758 0.5% 321 42.3% 13 87.1 351.9
SUBFILE 543 0.3% 147 27.1% 20 225.7 1040.0
ID 211 0.1% 3 1.4% 1 1.0 0.0
ISSN 30 0.0% 14 46.7% 1,813 3340.8 6398.6
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 18 0.0% 2 11.1% 27 95.2 179.7
ARTICLE 2,300 1.4% 456 19.8% 27 373.2 1639.4
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 22,896 14.1% 4,965 21.7% 29 1118.9 8265.7
Other indexes 342 0.2% 299 87.4% 5 103.8 431.4
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 36,852 31.2% 10,696 29.0% 17 818.9 6895.3
Single 81,416 68.8% 16,371 20.1% 22 1668.5 22246.7
PRESENT commands, by type:
MARC 45.7%
OPAC 31.1%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (