MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/15/02 through 06/21/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,797 22,647
2-4 a.m. 1,003 4,357
4-6 a.m. 1,002 6,164
6-8 a.m. 2,276 14,214
8-10 a.m. 5,076 68,410
10-12 a.m. 7,857 125,101
12-2 p.m. 7,273 111,197
2-4 p.m. 7,028 127,396
4-6 p.m. 4,814 75,131
6-8 p.m. 2,445 37,779
8-10 p.m. 1,220 19,218
10-12 p.m. 1,360 17,070
__________ _____________ _________________
Total: 43,151 628,684
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 3
Irvine 0
Los Angeles 0
Riverside 1
San Diego 1
San Francisco 1
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 80
Los Alamos 0
MELWEB 27,007
Searchlight 945
Other - UC 178
Other-Network UC 14,929
_____
43,151
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 25
Davis 1
Irvine 0
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 15
Lawrence Berkeley 0
Lawrence Livermore 271
Los Alamos 0
MELWEB 596,878
Searchlight 0
Other - UC 1,517
Other-Network UC 29,976
_____
628,684
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 0.7
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) 15:08
Longest session recorded (minutes:seconds) 233:04
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 44.9
Retrievals per search - standard deviation 756.2
Percent of searches completed with 0 results 41.6%
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 43,151 20.8%
PRESENT 138,310 66.6%
INIT or CLOSE 26,023 12.5%
OTHER 63 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 TITLE17,801 37.4% 8,232 46.2% 5 142.7 1258.4
EXACT PE TITLE 8,284 17.4% 1,569 18.9% 2 39.6 1044.2
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 1,414 3.0% 1,318 93.2% 1 8.6 28.3
CORP AUTHOR 2,687 5.6% 2,475 92.1% 5 155.7 1266.5
EXACT CORP AUTH 79 0.2% 28 35.4% 6 166.5 321.6
SUBJECT 1,382 2.9% 926 67.0% 19 389.6 1333.0
EXACT SUBJECT 131 0.3% 29 22.1% 9 564.6 2684.3
SERIES 26 0.1% 17 65.4% 7 441.0 1237.6
EXACT SERIES 4 0.0% 1 25.0% 11 18.7 22.5
CODEN 9 0.0% 3 33.3% 1 1.0 0.0
ISBN 3,894 8.2% 3,894 100% 0 0.0 0.0
LCCN 501 1.1% 491 98.0% 1 1.1 0.3
ISSN 8,734 18.3% 699 8.0% 1 1.7 1.2
INDEXED BY 2 0.0% 2 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 70 0.1% 69 98.6% 5 5.0 0.0
GOV'T DOC NUM 6 0.0% 6 100% 0 0.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 2,565 5.4% 527 20.5% 2 44.3 615.4
RPE 24 0.1% 12 50.0% 5 107.1 237.8
RXPE 13 0.0% 3 23.1% 1 2.6 2.4
Other indexes 13 0.0% 11 84.6% 4,565 4564.5 6221.8
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 4,452 10.3% 2,348 52.7% 2 43.2 605.7
Single 38,699 89.7% 15,585 40.3% 2 79.9 1015.6
PRESENT commands, by type:
MARC 32.2%
OPAC 22.2%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)