MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/00 through 01/31/00
1.0 SUMMARY STATISTICS
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Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,771 48,818
2-4 a.m. 1,797 38,512
4-6 a.m. 346 13,358
6-8 a.m. 1,035 27,759
8-10 a.m. 4,565 99,375
10-12 a.m. 10,765 211,713
12-2 p.m. 10,477 215,632
2-4 p.m. 12,992 268,190
4-6 p.m. 10,030 205,736
6-8 p.m. 4,633 99,085
8-10 p.m. 3,523 74,647
10-12 p.m. 1,859 42,378
__________ _____________ _________________
Total: 64,793 1,345,203
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 683
Davis 1,616
Irvine 336
Los Angeles 561
Riverside 159
San Diego 1,617
San Francisco 621
Santa Barbara 212
Santa Cruz 460
Lawrence Berkeley 288
Lawrence Livermore 123
Los Alamos 0
MELWEB 55,939
Other - UC 790
Other-Network UC 1,388
_____
64,793
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 9,981
Davis 15,900
Irvine 3,555
Los Angeles 8,136
Riverside 3,279
San Diego 7,180
San Francisco 4,426
Santa Barbara 2,929
Santa Cruz 4,569
Lawrence Berkeley 4,349
Lawrence Livermore 1,954
Los Alamos 0
MELWEB 1,250,477
Other - UC 19,044
Other-Network UC 9,424
_____
1,345,203
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 6.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.0
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:22
Average session length (minutes:seconds) 15:39
Longest session recorded (minutes:seconds) 247:28
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 685.1
Retrievals per search - standard deviation 7036.2
Percent of searches completed with 0 results 24.2%
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 64,793 16.5%
PRESENT 302,168 76.9%
INIT or CLOSE 25,910 6.6%
OTHER 253 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 25,809 28.5% 5,071 19.6% 14 243.3 3889.3
TITLE WORD 36,343 40.2% 9,418 25.9% 17 716.2 5152.0
EXACT TITLE 802 0.9% 415 51.7% 1 159.4 1752.5
JOURNAL 6,309 7.0% 2,694 42.7% 12 3736.7 24110.6
EXACT JOURNAL 2,837 3.1% 840 29.6% 529 3812.7 9898.0
DATE 4,166 4.6% 917 22.0% 6 273.3 7407.0
ADDED SINCE 3,332 3.7% 2,399 72.0% 2 19.3 320.0
SUBFILE 584 0.6% 219 37.5% 19 343.7 1802.4
LANGUAGE 2,091 2.3% 522 25.0% 26 470.1 3024.4
SUBJECT CATEGORY 1,107 1.2% 429 38.8% 16 267.5 2366.0
PUB TYPE 877 1.0% 176 20.1% 30 904.9 10542.9
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 6,108 6.8% 1,534 25.1% 33 976.6 5296.7
Other indexes 94 0.1% 47 50.0% 120 727.8 1640.4
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 18,999 29.3% 6,567 34.6% 8 520.9 5613.3
Single 45,794 70.7% 9,139 20.0% 26 1034.4 8746.1
PRESENT commands, by type:
MARC 50.5%
OPAC 35.6%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we