MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/18/02 through 05/24/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,472 22,267
2-4 a.m. 1,334 10,225
4-6 a.m. 1,282 7,147
6-8 a.m. 2,315 21,446
8-10 a.m. 5,824 79,917
10-12 a.m. 9,606 123,795
12-2 p.m. 10,280 160,832
2-4 p.m. 11,204 154,997
4-6 p.m. 8,655 117,796
6-8 p.m. 5,407 64,178
8-10 p.m. 3,780 57,909
10-12 p.m. 3,049 42,569
__________ _____________ _________________
Total: 65,208 863,078
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 0
Irvine 0
Los Angeles 3
Riverside 0
San Diego 1
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 2
Lawrence Livermore 3
Los Alamos 0
MELWEB 48,724
Searchlight 2,193
Other - UC 210
Other-Network UC 14,069
_____
65,208
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 30
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 11
Los Alamos 0
MELWEB 832,994
Searchlight 0
Other - UC 1,592
Other-Network UC 28,434
_____
863,078
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 1.1
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) 20:01
Average session length (minutes:seconds) 17:02
Longest session recorded (minutes:seconds) 197:08
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 41.4
Retrievals per search - standard deviation 644.5
Percent of searches completed with 0 results 35.2%
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 65,208 20.9%
PRESENT 203,673 65.3%
INIT or CLOSE 42,868 13.7%
OTHER 69 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 TITLE23,581 32.3% 9,840 41.7% 5 132.5 1191.1
EXACT PE TITLE 11,523 15.8% 2,249 19.5% 2 38.2 773.2
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 1,679 2.3% 1,557 92.7% 2 11.4 52.6
CORP AUTHOR 3,031 4.1% 2,675 88.3% 7 152.7 704.5
EXACT CORP AUTH 80 0.1% 26 32.5% 8 178.9 336.2
SUBJECT 4,798 6.6% 3,057 63.7% 12 225.0 883.8
EXACT SUBJECT 308 0.4% 81 26.3% 11 147.2 1039.5
SERIES 50 0.1% 46 92.0% 6 17.0 24.0
EXACT SERIES 11 0.0% 6 54.5% 35 85.0 106.7
CODEN 11 0.0% 4 36.4% 1 1.4 0.8
ISBN 3,747 5.1% 3,744 99.9% 1 1.0 0.0
LCCN 458 0.6% 440 96.1% 1 1.2 0.4
ISSN 17,718 24.3% 924 5.2% 1 1.7 1.1
INDEXED BY 8 0.0% 8 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 207 0.3% 202 97.6% 2 11.8 23.0
GOV'T DOC NUM 10 0.0% 10 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 3 75.0% 12 12.0 0.0
AT 5,739 7.9% 1,603 27.9% 2 34.0 218.6
RPE 50 0.1% 35 70.0% 9 319.1 815.7
RXPE 10 0.0% 7 70.0% 2 6.0 6.9
Other indexes 26 0.0% 15 57.7% 151 417.1 669.6
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 7,690 11.8% 3,470 45.1% 2 33.7 216.7
Single 57,518 88.2% 19,453 33.8% 2 67.2 839.4
PRESENT commands, by type:
MARC 33.9%
OPAC 23.6%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)