MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/00 through 03/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,875 59,766
2-4 a.m. 1,842 36,763
4-6 a.m. 503 13,999
6-8 a.m. 1,520 31,763
8-10 a.m. 4,595 100,852
10-12 a.m. 9,930 209,698
12-2 p.m. 11,116 207,360
2-4 p.m. 13,344 270,668
4-6 p.m. 10,194 205,860
6-8 p.m. 4,925 97,018
8-10 p.m. 3,452 68,207
10-12 p.m. 2,236 43,921
__________ _____________ _________________
Total: 66,532 1,345,875
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,240
Davis 995
Irvine 338
Los Angeles 228
Riverside 45
San Diego 2,036
San Francisco 589
Santa Barbara 430
Santa Cruz 398
Lawrence Berkeley 111
Lawrence Livermore 175
Los Alamos 0
MELWEB 52,839
Searchlight 5,378
Other - UC 922
Other-Network UC 808
_____
66,532
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 17,638
Davis 18,324
Irvine 4,571
Los Angeles 3,286
Riverside 3,140
San Diego 9,880
San Francisco 6,467
Santa Barbara 4,234
Santa Cruz 3,272
Lawrence Berkeley 1,617
Lawrence Livermore 2,956
Los Alamos 0
MELWEB 1,065,870
Searchlight 176,520
Other - UC 18,793
Other-Network UC 9,307
_____
1,345,875
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 7.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.3
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 13:55
Average session length (minutes:seconds) 14:35
Longest session recorded (minutes:seconds) 239:21
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 633.3
Retrievals per search - standard deviation 6142.1
Percent of searches completed with 0 results 25.8%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 66,532 16.5%
PRESENT 308,874 76.4%
INIT or CLOSE 28,230 7.0%
OTHER 660 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 25,572 28.9% 5,169 20.2% 17 199.3 1608.3
TITLE WORD 38,138 43.1% 10,604 27.8% 14 750.9 5400.6
EXACT TITLE 1,033 1.2% 592 57.3% 1 113.6 845.7
JOURNAL 6,149 7.0% 2,591 42.1% 10 3075.8 21025.6
EXACT JOURNAL 2,715 3.1% 842 31.0% 633 3580.3 8149.8
DATE 2,762 3.1% 645 23.4% 6 174.2 1659.1
ADDED SINCE 3,138 3.5% 2,342 74.6% 3 12.2 27.7
SUBFILE 503 0.6% 155 30.8% 21 498.8 3518.5
LANGUAGE 1,449 1.6% 417 28.8% 25 486.0 2934.2
SUBJECT CATEGORY 878 1.0% 311 35.4% 12 323.1 2447.3
PUB TYPE 619 0.7% 119 19.2% 22 1075.0 12621.0
ISN 4 0.0% 3 75.0% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 5,410 6.1% 1,449 26.8% 21 762.1 4752.5
Other indexes 64 0.1% 52 81.3% 16 1136.8 3717.2
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 17,103 25.7% 6,230 36.4% 7 393.1 4960.0
Single 49,429 74.3% 10,906 22.1% 25 982.8 7608.9
PRESENT commands, by type:
MARC 52.5%
OPAC 32.7%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we