MELSRV CATALOG 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. 28,385 356,968
2-4 a.m. 18,722 222,578
4-6 a.m. 18,022 180,970
6-8 a.m. 34,124 369,574
8-10 a.m. 63,588 1,257,817
10-12 a.m. 97,138 2,425,090
12-2 p.m. 103,260 2,947,097
2-4 p.m. 101,882 3,148,963
4-6 p.m. 76,701 2,299,767
6-8 p.m. 48,903 1,306,578
8-10 p.m. 37,547 1,014,071
10-12 p.m. 34,021 786,057
__________ _____________ _________________
Total: 662,293 16,315,530
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,172
Davis 730
Irvine 123
Los Angeles 784
Riverside 49
San Diego 538
San Francisco 54
Santa Barbara 408
Santa Cruz 330
Lawrence Berkeley 96
Lawrence Livermore 189
Los Alamos 0
MELWEB 442,069
Searchlight 16,068
Other - UC 2,281
Other-Network UC 197,402
_____
662,293
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10,021
Davis 6,786
Irvine 1,087
Los Angeles 10,859
Riverside 356
San Diego 7,369
San Francisco 403
Santa Barbara 3,598
Santa Cruz 4,542
Lawrence Berkeley 808
Lawrence Livermore 474
Los Alamos 0
MELWEB 14,588,278
Searchlight 3,901
Other - UC 32,447
Other-Network UC 1,644,601
_____
16,315,530
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 6.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 2.1
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 0.0
Average session length (minutes:seconds) 0.0
Longest session recorded (minutes:seconds) 372:00
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 82.1
Retrievals per search - standard deviation 1027.9
Percent of searches completed with 0 results 39.5%
Percent of searches entered that are long 1.5%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 662,293 17.8%
PRESENT 2,771,961 74.3%
INIT or CLOSE 290,655 7.8%
OTHER 4,374 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 151185 16.0% 48,403 32.0% 6 64.0 378.3
CORPORATE AUTHOR 4,299 0.5% 1,837 42.7% 9 369.4 3066.8
EXACT CORP. AUT. 904 0.1% 187 20.7% 18 581.7 2412.2
TITLE WORD 258496 27.4% 94,158 36.4% 3 47.8 490.1
EXACT TITLE 51,319 5.4% 24,179 47.1% 2 34.2 370.8
SUBJECT 143971 15.3% 72,965 50.7% 25 438.2 2407.7
EXACT SUBJECT 15,438 1.6% 2,986 19.3% 15 211.3 897.8
UNIFORM TITLE 387 0.0% 72 18.6% 2 290.2 2133.5
SERIES 3,324 0.4% 894 26.9% 13 133.8 454.8
DATE 11,181 1.2% 3,545 31.7% 9 167.3 4055.7
ADDED SINCE 5,040 0.5% 4,883 96.9% 2 94.8 630.2
LANGUAGE 39,030 4.1% 16,067 41.2% 34 480.2 2770.9
LCCN 5,385 0.6% 1,187 22.0% 1 1.3 1.0
ISBN 73,475 7.8% 36,953 50.3% 1 1.5 26.0
ISSN 1,599 0.2% 1,469 91.9% 4 41.4 105.9
DLA ID 589 0.1% 2 0.3% 1 1.0 0.0
MUSIC PUBLISHER 192 0.0% 124 64.6% 4 131.5 506.2
GOV'T DOC NUM 176 0.0% 61 34.7% 1 1.4 1.4
REPORT NUM 43 0.0% 26 60.5% 1 1.2 0.6
STOCK NUM 18 0.0% 3 16.7% 1 751.0 1825.1
GPO ITEM NUM 48 0.0% 35 72.9% 107 1503.8 3282.3
FORM 14,682 1.6% 4,819 32.8% 10 168.6 947.8
MUSIC KEY 3 0.0% 2 66.7% 34 34.0 0.0
GEO CLASS 12 0.0% 3 25.0% 4 116.8 297.4
THEMATIC NUMBER 99 0.0% 83 83.8% 4 815.8 2431.5
SCALE 48 0.0% 10 20.8% 10 2197.1 7581.9
AT 122968 13.0% 51,878 42.2% 11 181.4 982.0
Other indexes 39,642 4.2% 13,593 34.3% 5 129.8 1465.1
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 220,158 33.2% 91,057 41.4% 5 161.8 1351.8
Single 442,135 66.8% 170641 38.6% 4 123.5 1302.7
PRESENT commands, by type:
MARC 34.8%
OPAC 51.6%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)