MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/10/01 through 02/16/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 578 6,943
2-4 a.m. 321 4,256
4-6 a.m. 109 1,103
6-8 a.m. 305 4,809
8-10 a.m. 1,350 21,659
10-12 a.m. 2,789 46,714
12-2 p.m. 2,812 55,122
2-4 p.m. 3,183 56,540
4-6 p.m. 2,553 46,680
6-8 p.m. 1,495 30,548
8-10 p.m. 1,007 20,072
10-12 p.m. 525 11,265
__________ _____________ _________________
Total: 17,027 305,711
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 239
Davis 183
Irvine 227
Los Angeles 96
Riverside 60
San Diego 323
San Francisco 156
Santa Barbara 76
Santa Cruz 51
Lawrence Berkeley 45
Lawrence Livermore 68
Los Alamos 0
MELWEB 11,581
Searchlight 3,297
Other - UC 271
Other-Network UC 354
_____
17,027
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 4,395
Davis 2,342
Irvine 3,395
Los Angeles 9,069
Riverside 756
San Diego 2,852
San Francisco 2,068
Santa Barbara 830
Santa Cruz 982
Lawrence Berkeley 625
Lawrence Livermore 392
Los Alamos 0
MELWEB 257,612
Searchlight 12,006
Other - UC 3,447
Other-Network UC 4,940
_____
305,711
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.3
Standard deviation in seconds 5.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.7
2.0 CURRENT CONTENTS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:24
Average session length (minutes:seconds) 15:20
Longest session recorded (minutes:seconds) 228:42
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 553.2
Retrievals per search - standard deviation 7336.8
Percent of searches completed with 0 results 25.4%
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 17,027 17.4%
PRESENT 72,675 74.4%
INIT or CLOSE 7,924 8.1%
OTHER 103 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 6,899 30.7% 1,247 18.1% 14 192.3 1302.3
TITLE WORD 9,657 43.0% 2,775 28.7% 12 447.2 2967.9
EXACT TITLE 202 0.9% 114 56.4% 1 42.4 182.7
JOURNAL 1,494 6.6% 643 43.0% 9 4162.9 30556.2
EXACT JOURNAL 719 3.2% 233 32.4% 627 3741.3 8785.5
DATE 728 3.2% 147 20.2% 8 139.9 791.0
ADDED SINCE 789 3.5% 550 69.7% 2 7.6 12.2
SUBFILE 134 0.6% 30 22.4% 10 377.4 2161.7
LANGUAGE 331 1.5% 93 28.1% 22 239.1 665.3
SUBJECT CATEGORY 183 0.8% 60 32.8% 12 366.1 1821.7
PUB TYPE 239 1.1% 58 24.3% 18 522.3 3560.1
ISN 1 0.0% 0 0.0% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 1,079 4.8% 339 31.4% 19 565.5 3154.0
Other indexes 15 0.1% 11 73.3% 11 11.0 11.5
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 4,273 25.1% 1,513 35.4% 6 262.2 2189.5
Single 12,754 74.9% 2,806 22.0% 21 874.1 9515.7
PRESENT commands, by type:
MARC 59.0%
OPAC 24.4%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we