MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/02 through 01/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,931 30,492
2-4 a.m. 1,915 16,965
4-6 a.m. 685 5,923
6-8 a.m. 1,457 20,069
8-10 a.m. 4,920 82,694
10-12 a.m. 9,057 161,022
12-2 p.m. 9,614 173,037
2-4 p.m. 11,457 211,808
4-6 p.m. 8,778 160,102
6-8 p.m. 3,779 73,043
8-10 p.m. 2,620 46,335
10-12 p.m. 1,928 34,175
__________ _____________ _________________
Total: 58,141 1,015,665
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 972
Davis 1,819
Irvine 449
Los Angeles 314
Riverside 168
San Diego 1,073
San Francisco 589
Santa Barbara 605
Santa Cruz 417
Lawrence Berkeley 332
Lawrence Livermore 192
Los Alamos 0
MELWEB 41,060
Searchlight 8,417
Other - UC 764
Other-Network UC 970
_____
58,141
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,477
Davis 23,925
Irvine 8,357
Los Angeles 4,253
Riverside 2,374
San Diego 7,699
San Francisco 6,753
Santa Barbara 5,200
Santa Cruz 3,105
Lawrence Berkeley 5,238
Lawrence Livermore 4,184
Los Alamos 0
MELWEB 849,314
Searchlight 60,358
Other - UC 6,071
Other-Network UC 17,357
_____
1,015,665
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 7.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.6
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:55
Average session length (minutes:seconds) 17:20
Longest session recorded (minutes:seconds) 198:37
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 837.2
Retrievals per search - standard deviation 7690.1
Percent of searches completed with 0 results 24.4%
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 58,141 16.8%
PRESENT 262,112 75.7%
INIT or CLOSE 25,445 7.3%
OTHER 768 0.2%
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 27,086 33.9% 5,155 19.0% 15 219.9 3772.9
TITLE WORD 29,641 37.1% 7,974 26.9% 12 1415.1 11115.0
EXACT TITLE 777 1.0% 424 54.6% 1 216.1 1790.6
JOURNAL 5,196 6.5% 2,091 40.2% 10 2362.0 15843.3
EXACT JOURNAL 2,442 3.1% 763 31.2% 597 4081.5 9620.3
DATE 3,017 3.8% 508 16.8% 10 228.7 1105.0
ADDED SINCE 4,350 5.5% 3,386 77.8% 4 13.0 31.7
SUBFILE 496 0.6% 172 34.7% 26 571.1 2530.3
LANGUAGE 1,616 2.0% 311 19.2% 38 1007.8 4639.7
SUBJECT CATEGORY 575 0.7% 179 31.1% 15 179.1 787.1
PUB TYPE 944 1.2% 162 17.2% 29 2124.6 18468.5
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 3,593 4.5% 835 23.2% 27 989.7 5002.7
Other indexes 63 0.1% 47 74.6% 4 33.1 86.3
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 17,013 29.3% 6,431 37.8% 7 465.8 7632.5
Single 41,128 70.7% 7,783 18.9% 25 1312.0 9168.5
PRESENT commands, by type:
MARC 59.1%
OPAC 25.8%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we