MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/00 through 02/29/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,465 52,709
2-4 a.m. 1,652 32,663
4-6 a.m. 293 10,516
6-8 a.m. 1,757 35,018
8-10 a.m. 4,864 104,055
10-12 a.m. 10,447 207,875
12-2 p.m. 11,243 208,499
2-4 p.m. 13,727 267,389
4-6 p.m. 10,299 214,885
6-8 p.m. 5,608 129,069
8-10 p.m. 4,456 110,344
10-12 p.m. 2,584 59,459
__________ _____________ _________________
Total: 69,395 1,432,481
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 976
Davis 1,135
Irvine 279
Los Angeles 716
Riverside 223
San Diego 2,027
San Francisco 362
Santa Barbara 326
Santa Cruz 260
Lawrence Berkeley 208
Lawrence Livermore 67
Los Alamos 0
MELWEB 57,801
Searchlight 2,646
Other - UC 1,328
Other-Network UC 1,041
_____
69,395
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,138
Davis 16,214
Irvine 2,934
Los Angeles 14,802
Riverside 11,806
San Diego 17,554
San Francisco 3,813
Santa Barbara 3,439
Santa Cruz 2,384
Lawrence Berkeley 2,226
Lawrence Livermore 1,149
Los Alamos 0
MELWEB 1,234,648
Searchlight 74,782
Other - UC 23,421
Other-Network UC 12,171
_____
1,432,481
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 5.3
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
_________________________________________
Median session length (minutes:seconds) 7:35
Average session length (minutes:seconds) 14:26
Longest session recorded (minutes:seconds) 328:59
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 609.9
Retrievals per search - standard deviation 6525.3
Percent of searches completed with 0 results 25.3%
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 69,395 15.8%
PRESENT 339,917 77.4%
INIT or CLOSE 29,501 6.7%
OTHER 322 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 25,451 27.4% 5,003 19.7% 16 209.9 3327.2
TITLE WORD 40,753 43.9% 11,219 27.5% 15 635.3 5043.1
EXACT TITLE 896 1.0% 517 57.7% 1 48.4 391.1
JOURNAL 6,303 6.8% 2,646 42.0% 12 3198.4 22668.3
EXACT JOURNAL 3,046 3.3% 854 28.0% 573 3819.8 10185.1
DATE 3,019 3.3% 699 23.2% 8 155.8 1166.9
ADDED SINCE 2,976 3.2% 2,084 70.0% 2 9.6 23.6
SUBFILE 571 0.6% 180 31.5% 29 669.4 3726.0
LANGUAGE 1,791 1.9% 476 26.6% 22 359.0 2200.6
SUBJECT CATEGORY 957 1.0% 341 35.6% 21 238.3 1471.8
PUB TYPE 885 1.0% 197 22.3% 35 364.9 1599.0
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 6,063 6.5% 1,585 26.1% 23 1053.6 6142.8
Other indexes 56 0.1% 42 75.0% 28 61.5 87.5
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 17,978 25.9% 6,310 35.1% 8 532.6 5567.2
Single 51,417 74.1% 11,231 21.8% 24 898.6 8017.7
PRESENT commands, by type:
MARC 53.0%
OPAC 33.5%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we