MELSRV CURRENT CONTENTS 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. 1,727 25,370
2-4 a.m. 1,254 18,303
4-6 a.m. 829 12,045
6-8 a.m. 1,388 26,398
8-10 a.m. 4,582 80,399
10-12 a.m. 9,068 168,629
12-2 p.m. 8,900 183,315
2-4 p.m. 11,308 206,518
4-6 p.m. 8,499 166,885
6-8 p.m. 4,180 73,539
8-10 p.m. 2,573 41,947
10-12 p.m. 1,514 34,172
__________ _____________ _________________
Total: 55,822 1,037,520
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 866
Davis 930
Irvine 342
Los Angeles 529
Riverside 164
San Diego 826
San Francisco 527
Santa Barbara 514
Santa Cruz 252
Lawrence Berkeley 237
Lawrence Livermore 239
Los Alamos 0
MELWEB 37,766
Searchlight 10,667
Other - UC 461
Other-Network UC 1,502
_____
55,822
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 26,574
Davis 16,441
Irvine 6,505
Los Angeles 6,193
Riverside 1,241
San Diego 9,727
San Francisco 4,738
Santa Barbara 5,998
Santa Cruz 2,787
Lawrence Berkeley 5,457
Lawrence Livermore 3,697
Los Alamos 0
MELWEB 843,573
Searchlight 61,346
Other - UC 11,136
Other-Network UC 32,107
_____
1,037,520
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 6.5
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 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:30
Average session length (minutes:seconds) 15:50
Longest session recorded (minutes:seconds) 175:32
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 669.9
Retrievals per search - standard deviation 9061.0
Percent of searches completed with 0 results 25.7%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 55,822 15.5%
PRESENT 279,222 77.6%
INIT or CLOSE 24,266 6.7%
OTHER 295 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 23,770 31.4% 4,701 19.8% 16 200.2 1571.9
TITLE WORD 30,162 39.8% 8,356 27.7% 11 572.5 4644.6
EXACT TITLE 729 1.0% 441 60.5% 1 99.0 530.0
JOURNAL 4,962 6.5% 2,050 41.3% 8 4923.9 36053.1
EXACT JOURNAL 2,581 3.4% 993 38.5% 501 4612.9 11489.0
DATE 2,531 3.3% 528 20.9% 6 114.7 860.8
ADDED SINCE 3,545 4.7% 2,639 74.4% 3 9.6 22.0
SUBFILE 690 0.9% 196 28.4% 28 800.5 9472.0
LANGUAGE 1,458 1.9% 360 24.7% 28 536.0 4145.1
SUBJECT CATEGORY 701 0.9% 221 31.5% 14 399.7 4509.9
PUB TYPE 807 1.1% 165 20.4% 23 423.4 3464.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,780 5.0% 997 26.4% 24 1313.7 8388.9
Other indexes 50 0.1% 26 52.0% 122 292.4 624.7
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 15,302 27.4% 5,753 37.6% 7 501.0 5218.6
Single 40,520 72.6% 8,586 21.2% 22 1021.3 11620.8
PRESENT commands, by type:
MARC 63.2%
OPAC 22.8%
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