MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/00 through 10/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,470 54,796
2-4 a.m. 1,068 20,394
4-6 a.m. 992 16,870
6-8 a.m. 2,152 43,610
8-10 a.m. 5,370 103,705
10-12 a.m. 10,658 195,424
12-2 p.m. 12,246 232,196
2-4 p.m. 14,165 278,463
4-6 p.m. 10,690 213,162
6-8 p.m. 4,936 101,357
8-10 p.m. 3,657 77,694
10-12 p.m. 2,396 54,010
__________ _____________ _________________
Total: 71,800 1,391,681
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 755
Davis 1,022
Irvine 350
Los Angeles 744
Riverside 232
San Diego 748
San Francisco 424
Santa Barbara 661
Santa Cruz 192
Lawrence Berkeley 113
Lawrence Livermore 126
Los Alamos 0
MELWEB 46,248
Searchlight 17,725
Other - UC 1,109
Other-Network UC 1,351
_____
71,800
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,292
Davis 15,658
Irvine 5,130
Los Angeles 8,130
Riverside 3,125
San Diego 8,598
San Francisco 3,927
Santa Barbara 6,748
Santa Cruz 3,762
Lawrence Berkeley 1,027
Lawrence Livermore 2,615
Los Alamos 0
MELWEB 1,070,384
Searchlight 207,790
Other - UC 22,794
Other-Network UC 19,701
_____
1,391,681
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.6
Standard deviation in seconds 6.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 1.4
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:14
Average session length (minutes:seconds) 14:30
Longest session recorded (minutes:seconds) 224:36
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 677.3
Retrievals per search - standard deviation 7808.9
Percent of searches completed with 0 results 27.2%
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 71,800 16.7%
PRESENT 323,914 75.4%
INIT or CLOSE 33,434 7.8%
OTHER 633 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 27,062 28.1% 5,642 20.8% 15 244.3 2355.6
TITLE WORD 41,836 43.5% 12,096 28.9% 14 666.4 5405.9
EXACT TITLE 830 0.9% 510 61.4% 1 71.4 543.8
JOURNAL 6,232 6.5% 2,687 43.1% 14 4613.7 29613.8
EXACT JOURNAL 3,239 3.4% 1,412 43.6% 619 4184.9 9598.1
DATE 2,741 2.8% 586 21.4% 11 202.2 1515.9
ADDED SINCE 4,939 5.1% 3,563 72.1% 2 9.5 24.4
SUBFILE 747 0.8% 228 30.5% 25 199.0 1029.3
LANGUAGE 1,657 1.7% 423 25.5% 28 356.9 1668.8
SUBJECT CATEGORY 718 0.7% 271 37.7% 14 173.5 764.5
PUB TYPE 819 0.9% 173 21.1% 28 600.1 8623.3
ISN 2 0.0% 2 100% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 5,354 5.6% 1,551 29.0% 25 962.3 6159.2
Other indexes 54 0.1% 45 83.3% 11 161.1 303.3
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 19,379 27.0% 7,605 39.2% 8 409.2 3786.1
Single 52,421 73.0% 11,924 22.7% 23 1081.9 10175.6
PRESENT commands, by type:
MARC 50.8%
OPAC 34.3%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we