MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/00 through 05/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,279 43,212
2-4 a.m. 2,088 31,338
4-6 a.m. 599 19,982
6-8 a.m. 1,340 29,977
8-10 a.m. 3,994 82,866
10-12 a.m. 8,778 151,256
12-2 p.m. 9,289 168,329
2-4 p.m. 10,635 193,412
4-6 p.m. 8,837 159,875
6-8 p.m. 5,099 93,074
8-10 p.m. 3,704 78,121
10-12 p.m. 2,458 49,997
__________ _____________ _________________
Total: 59,100 1,101,439
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,191
Davis 836
Irvine 348
Los Angeles 507
Riverside 203
San Diego 1,265
San Francisco 169
Santa Barbara 508
Santa Cruz 277
Lawrence Berkeley 182
Lawrence Livermore 227
Los Alamos 0
MELWEB 41,288
Searchlight 10,203
Other - UC 628
Other-Network UC 1,268
_____
59,100
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 13,163
Davis 9,865
Irvine 5,680
Los Angeles 8,386
Riverside 1,266
San Diego 7,491
San Francisco 3,256
Santa Barbara 10,507
Santa Cruz 4,296
Lawrence Berkeley 2,234
Lawrence Livermore 3,117
Los Alamos 0
MELWEB 821,237
Searchlight 171,533
Other - UC 13,069
Other-Network UC 26,339
_____
1,101,439
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.7
Standard deviation in seconds 8.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.8
Standard deviation in seconds 1.7
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:04
Average session length (minutes:seconds) 14:28
Longest session recorded (minutes:seconds) 232:56
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 616.7
Retrievals per search - standard deviation 6512.6
Percent of searches completed with 0 results 27.3%
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 59,100 16.4%
PRESENT 273,686 76.1%
INIT or CLOSE 26,569 7.4%
OTHER 437 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 23,065 28.7% 5,071 22.0% 15 221.8 3640.6
TITLE WORD 34,075 42.5% 10,094 29.6% 14 755.6 6029.8
EXACT TITLE 735 0.9% 414 56.3% 1 32.3 175.4
JOURNAL 4,828 6.0% 2,069 42.9% 12 3190.2 22301.7
EXACT JOURNAL 2,233 2.8% 668 29.9% 610 3944.9 10428.9
DATE 2,762 3.4% 583 21.1% 6 182.1 4376.6
ADDED SINCE 4,081 5.1% 3,000 73.5% 3 10.7 23.5
SUBFILE 531 0.7% 198 37.3% 20 269.8 1023.9
LANGUAGE 1,508 1.9% 416 27.6% 23 731.2 5337.5
SUBJECT CATEGORY 532 0.7% 201 37.8% 14 174.4 992.4
PUB TYPE 549 0.7% 95 17.3% 23 1569.2 15205.4
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 5,303 6.6% 1,515 28.6% 20 513.5 2869.2
Other indexes 46 0.1% 37 80.4% 7 2107.2 5871.6
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 16,593 28.1% 6,373 38.4% 7 372.2 5869.5
Single 42,507 71.9% 9,769 23.0% 22 997.1 8090.9
PRESENT commands, by type:
MARC 52.6%
OPAC 35.9%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we