MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/01 through 02/28/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,315 29,753
2-4 a.m. 1,428 25,085
4-6 a.m. 947 14,768
6-8 a.m. 1,360 26,865
8-10 a.m. 5,311 88,422
10-12 a.m. 10,918 185,943
12-2 p.m. 11,449 194,606
2-4 p.m. 13,155 223,095
4-6 p.m. 10,676 178,540
6-8 p.m. 5,472 102,392
8-10 p.m. 3,775 61,754
10-12 p.m. 2,200 34,329
__________ _____________ _________________
Total: 69,006 1,165,552
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,157
Davis 1,323
Irvine 463
Los Angeles 652
Riverside 248
San Diego 839
San Francisco 572
Santa Barbara 310
Santa Cruz 288
Lawrence Berkeley 174
Lawrence Livermore 163
Los Alamos 0
MELWEB 45,832
Searchlight 14,445
Other - UC 829
Other-Network UC 1,711
_____
69,006
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 18,122
Davis 18,028
Irvine 8,605
Los Angeles 13,102
Riverside 2,004
San Diego 8,519
San Francisco 6,194
Santa Barbara 3,563
Santa Cruz 3,443
Lawrence Berkeley 3,182
Lawrence Livermore 2,462
Los Alamos 0
MELWEB 974,373
Searchlight 60,929
Other - UC 12,807
Other-Network UC 30,219
_____
1,165,552
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.5
Standard deviation in seconds 6.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.8
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:22
Average session length (minutes:seconds) 15:06
Longest session recorded (minutes:seconds) 263:12
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 545.7
Retrievals per search - standard deviation 6775.1
Percent of searches completed with 0 results 26.5%
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 69,006 17.8%
PRESENT 287,653 74.1%
INIT or CLOSE 31,241 8.0%
OTHER 435 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 27,431 29.8% 5,371 19.6% 14 211.3 1789.4
TITLE WORD 39,409 42.9% 11,563 29.3% 12 563.6 4301.5
EXACT TITLE 847 0.9% 486 57.4% 1 227.0 3606.4
JOURNAL 6,058 6.6% 2,569 42.4% 9 3393.8 26418.5
EXACT JOURNAL 3,047 3.3% 1,122 36.8% 364 3168.4 8152.9
DATE 2,861 3.1% 590 20.6% 8 121.6 706.1
ADDED SINCE 3,928 4.3% 2,821 71.8% 3 9.2 19.4
SUBFILE 604 0.7% 181 30.0% 14 249.2 1544.6
LANGUAGE 1,340 1.5% 340 25.4% 25 449.0 3119.9
SUBJECT CATEGORY 700 0.8% 214 30.6% 12 275.8 1613.9
PUB TYPE 903 1.0% 243 26.9% 15 800.4 9364.2
ISN 2 0.0% 1 50.0% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,724 5.1% 1,348 28.5% 19 734.7 4860.1
Other indexes 48 0.1% 40 83.3% 21 707.9 1936.4
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 18,360 26.6% 6,831 37.2% 6 342.1 3837.5
Single 50,646 73.4% 11,454 22.6% 21 860.2 8731.5
PRESENT commands, by type:
MARC 59.3%
OPAC 24.9%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we