MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/01 through 12/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,169 33,133
2-4 a.m. 1,044 12,880
4-6 a.m. 750 5,764
6-8 a.m. 1,025 14,253
8-10 a.m. 3,131 55,244
10-12 a.m. 6,007 105,635
12-2 p.m. 6,354 124,599
2-4 p.m. 7,830 137,980
4-6 p.m. 5,284 96,624
6-8 p.m. 2,747 44,882
8-10 p.m. 1,896 34,061
10-12 p.m. 1,416 23,651
__________ _____________ _________________
Total: 39,653 688,706
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 626
Davis 1,472
Irvine 318
Los Angeles 433
Riverside 55
San Diego 521
San Francisco 303
Santa Barbara 632
Santa Cruz 432
Lawrence Berkeley 128
Lawrence Livermore 121
Los Alamos 0
MELWEB 0
Searchlight 3,782
Other - UC 30,117
Other-Network UC 713
_____
39,653
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 7,511
Davis 20,261
Irvine 3,973
Los Angeles 5,588
Riverside 1,316
San Diego 3,065
San Francisco 4,132
Santa Barbara 13,313
Santa Cruz 1,801
Lawrence Berkeley 4,233
Lawrence Livermore 1,877
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 614,654
Other-Network UC 6,982
_____
688,706
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 2.1
Standard deviation in seconds 7.2
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
_________________________________________
Median session length (minutes:seconds) 20:18
Average session length (minutes:seconds) 14:36
Longest session recorded (minutes:seconds) 162:58
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 650.9
Retrievals per search - standard deviation 8754.5
Percent of searches completed with 0 results 26.9%
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 39,653 16.3%
PRESENT 185,427 76.0%
INIT or CLOSE 18,679 7.7%
OTHER 170 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 18,158 33.7% 3,760 20.7% 15 256.3 2620.6
TITLE WORD 20,344 37.7% 6,051 29.7% 10 651.2 5015.5
EXACT TITLE 491 0.9% 267 54.4% 1 58.1 413.1
JOURNAL 3,547 6.6% 1,396 39.4% 10 4509.8 33489.7
EXACT JOURNAL 1,681 3.1% 591 35.2% 220 2906.4 8293.4
DATE 1,810 3.4% 274 15.1% 8 108.3 476.2
ADDED SINCE 4,220 7.8% 3,023 71.6% 3 13.0 34.5
SUBFILE 360 0.7% 130 36.1% 19 556.8 3720.5
LANGUAGE 673 1.2% 144 21.4% 21 463.3 3444.2
SUBJECT CATEGORY 386 0.7% 133 34.5% 10 255.7 2920.7
PUB TYPE 403 0.7% 75 18.6% 12 953.7 13915.1
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 1,850 3.4% 473 25.6% 26 1082.6 4645.4
Other indexes 33 0.1% 25 75.8% 8 553.5 1501.2
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 12,024 30.3% 4,884 40.6% 5 317.6 2701.9
Single 27,629 69.7% 5,776 20.9% 23 1077.4 11673.1
PRESENT commands, by type:
MARC 59.3%
OPAC 25.9%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we