MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/00 through 11/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,381 59,868
2-4 a.m. 942 28,816
4-6 a.m. 950 18,604
6-8 a.m. 1,677 40,857
8-10 a.m. 5,015 99,204
10-12 a.m. 10,089 191,133
12-2 p.m. 11,787 220,210
2-4 p.m. 13,027 241,061
4-6 p.m. 10,203 181,758
6-8 p.m. 5,441 116,059
8-10 p.m. 3,979 92,818
10-12 p.m. 2,297 46,273
__________ _____________ _________________
Total: 68,788 1,336,661
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 868
Davis 1,137
Irvine 217
Los Angeles 701
Riverside 82
San Diego 621
San Francisco 183
Santa Barbara 691
Santa Cruz 411
Lawrence Berkeley 220
Lawrence Livermore 60
Los Alamos 0
MELWEB 43,610
Searchlight 17,635
Other - UC 1,163
Other-Network UC 1,189
_____
68,788
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,255
Davis 23,179
Irvine 2,199
Los Angeles 11,949
Riverside 455
San Diego 7,922
San Francisco 1,076
Santa Barbara 10,909
Santa Cruz 6,274
Lawrence Berkeley 4,642
Lawrence Livermore 667
Los Alamos 0
MELWEB 980,983
Searchlight 226,375
Other - UC 24,217
Other-Network UC 23,559
_____
1,336,661
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 1.6
Standard deviation in seconds 6.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:00
Average session length (minutes:seconds) 14:16
Longest session recorded (minutes:seconds) 266:00
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 597.2
Retrievals per search - standard deviation 7199.8
Percent of searches completed with 0 results 28.4%
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 68,788 16.0%
PRESENT 326,983 76.3%
INIT or CLOSE 32,617 7.6%
OTHER 292 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 24,202 26.1% 5,198 21.5% 15 222.5 1920.7
TITLE WORD 41,317 44.5% 12,470 30.2% 12 592.8 4371.3
EXACT TITLE 1,010 1.1% 595 58.9% 1 279.3 3574.9
JOURNAL 6,196 6.7% 2,635 42.5% 12 3625.5 27249.9
EXACT JOURNAL 3,453 3.7% 1,351 39.1% 399 3340.8 9473.2
DATE 2,831 3.0% 590 20.8% 8 183.0 1535.7
ADDED SINCE 4,699 5.1% 3,385 72.0% 2 54.1 1157.7
SUBFILE 569 0.6% 174 30.6% 21 348.1 1798.1
LANGUAGE 1,530 1.6% 388 25.4% 24 744.8 8528.1
SUBJECT CATEGORY 684 0.7% 275 40.2% 17 177.0 1189.8
PUB TYPE 761 0.8% 192 25.2% 26 980.2 11692.0
ISN 3 0.0% 2 66.7% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 5,591 6.0% 1,580 28.3% 22 721.0 4737.7
Other indexes 55 0.1% 41 74.5% 22 129.3 164.4
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 19,154 27.8% 7,436 38.8% 7 389.7 4127.2
Single 49,634 72.2% 12,085 24.3% 21 972.5 9450.4
PRESENT commands, by type:
MARC 53.6%
OPAC 33.3%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we