MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/04/02 through 05/10/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,197 34,839
2-4 a.m. 1,325 17,202
4-6 a.m. 1,294 9,304
6-8 a.m. 2,963 20,649
8-10 a.m. 6,713 80,080
10-12 a.m. 10,045 134,971
12-2 p.m. 11,612 154,921
2-4 p.m. 12,797 217,365
4-6 p.m. 9,248 150,234
6-8 p.m. 5,643 79,378
8-10 p.m. 4,000 60,142
10-12 p.m. 3,253 44,875
__________ _____________ _________________
Total: 71,090 1,003,960
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 18
Davis 4
Irvine 0
Los Angeles 5
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 4
Los Alamos 0
MELWEB 52,529
Searchlight 2,194
Other - UC 495
Other-Network UC 15,839
_____
71,090
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 102
Davis 0
Irvine 0
Los Angeles 4
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 347
Los Alamos 0
MELWEB 962,303
Searchlight 0
Other - UC 4,114
Other-Network UC 37,090
_____
1,003,960
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.1
Standard deviation in seconds 1.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:02
Average session length (minutes:seconds) 16:45
Longest session recorded (minutes:seconds) 225:19
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 43.9
Retrievals per search - standard deviation 788.9
Percent of searches completed with 0 results 34.6%
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 71,090 20.0%
PRESENT 237,338 66.7%
INIT or CLOSE 47,091 13.2%
OTHER 57 0.0%
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:
PERIODICAL TITLE25,591 32.2% 10,888 42.5% 5 144.4 1507.4
EXACT PE TITLE 12,380 15.6% 2,459 19.9% 2 33.1 870.5
RELATED PE TITLE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT RELATED PE 0 0.0% 0 0.0% 0 0.0 0.0
PERSONAL AUTHOR 1,996 2.5% 1,561 78.2% 17 16.5 29.5
CORP AUTHOR 3,667 4.6% 3,325 90.7% 6 92.3 495.1
EXACT CORP AUTH 102 0.1% 31 30.4% 7 132.6 293.7
SUBJECT 4,965 6.2% 3,177 64.0% 15 291.9 1178.7
EXACT SUBJECT 395 0.5% 101 25.6% 6 190.7 1144.3
SERIES 48 0.1% 38 79.2% 3 201.1 551.4
EXACT SERIES 15 0.0% 8 53.3% 17 101.0 228.6
CODEN 21 0.0% 7 33.3% 1 1.4 0.6
ISBN 3,893 4.9% 3,893 100% 0 0.0 0.0
LCCN 311 0.4% 294 94.5% 1 1.2 0.5
ISSN 20,013 25.2% 1,074 5.4% 1 1.7 1.1
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 141 0.2% 129 91.5% 1 5.1 13.8
GOV'T DOC NUM 4 0.0% 4 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 3 0.0% 3 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 5,834 7.3% 1,581 27.1% 2 40.5 313.4
RPE 58 0.1% 35 60.3% 5 93.1 261.3
RXPE 18 0.0% 12 66.7% 4 7.3 7.7
Other indexes 31 0.0% 18 58.1% 19 689.0 926.5
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 8,241 11.6% 3,886 47.2% 2 40.5 311.6
Single 62,849 88.4% 20,723 33.0% 2 69.8 1019.1
PRESENT commands, by type:
MARC 32.5%
OPAC 24.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)