MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/01 through 03/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 6,229 76,015
2-4 a.m. 3,483 41,106
4-6 a.m. 3,480 27,648
6-8 a.m. 6,691 69,965
8-10 a.m. 17,049 365,345
10-12 a.m. 29,864 621,684
12-2 p.m. 33,376 634,555
2-4 p.m. 35,655 748,334
4-6 p.m. 27,939 561,968
6-8 p.m. 15,956 279,377
8-10 p.m. 11,547 234,668
10-12 p.m. 10,418 150,389
__________ _____________ _________________
Total: 201,687 3,811,054
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 0
Irvine 314
Los Angeles 1
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 145,958
Searchlight 13,750
Other - UC 2,222
Other-Network UC 39,435
_____
201,687
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 732
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 5
Los Alamos 0
MELWEB 3,720,831
Searchlight 0
Other - UC 20,058
Other-Network UC 69,428
_____
3,811,054
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.2
Standard deviation in seconds 1.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:13
Average session length (minutes:seconds) 16:18
Longest session recorded (minutes:seconds) 258:27
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 70.4
Retrievals per search - standard deviation 918.9
Percent of searches completed with 0 results 39.2%
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 201,687 19.1%
PRESENT 740,379 70.1%
INIT or CLOSE 113,154 10.7%
OTHER 519 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 TITLE94,247 40.4% 35,759 37.9% 5 165.2 1354.1
EXACT PE TITLE 45,593 19.6% 11,125 24.4% 2 46.6 1132.7
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 5,662 2.4% 5,152 91.0% 3 15.5 57.8
CORP AUTHOR 9,327 4.0% 7,949 85.2% 6 82.4 458.7
EXACT CORP AUTH 484 0.2% 154 31.8% 6 100.1 295.3
SUBJECT 19,170 8.2% 12,146 63.4% 12 329.3 1368.8
EXACT SUBJECT 1,684 0.7% 556 33.0% 9 366.0 1796.5
SERIES 240 0.1% 190 79.2% 3 38.7 146.3
EXACT SERIES 36 0.0% 12 33.3% 1 34.3 68.0
CODEN 124 0.1% 42 33.9% 1 1.2 0.4
ISBN 9,515 4.1% 9,513 100% 2 2.0 1.4
LCCN 750 0.3% 686 91.5% 1 1.2 0.6
ISSN 21,478 9.2% 1,708 8.0% 1 1.7 1.1
INDEXED BY 17 0.0% 17 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 581 0.2% 563 96.9% 1 8.0 16.1
GOV'T DOC NUM 36 0.0% 35 97.2% 54 54.0 0.0
REPORT NUM 16 0.0% 16 100% 0 0.0 0.0
STOCK NUM 11 0.0% 11 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 1 50.0% 18 18.0 0.0
AT 23,507 10.1% 6,556 27.9% 2 40.2 285.2
RPE 298 0.1% 201 67.4% 10 153.8 668.4
RXPE 94 0.0% 57 60.6% 5 12.7 25.2
Other indexes 150 0.1% 94 62.7% 98 823.4 1436.1
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 30,525 15.1% 12,817 42.0% 2 40.2 285.6
Single 171,162 84.9% 66,221 38.7% 3 128.6 1265.6
PRESENT commands, by type:
MARC 29.4%
OPAC 20.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)