MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/16/02 through 03/22/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,890 16,343
2-4 a.m. 1,437 12,023
4-6 a.m. 1,281 8,626
6-8 a.m. 2,687 20,929
8-10 a.m. 5,551 74,177
10-12 a.m. 8,910 154,040
12-2 p.m. 8,845 143,513
2-4 p.m. 9,342 154,814
4-6 p.m. 7,912 134,270
6-8 p.m. 3,933 64,514
8-10 p.m. 2,590 46,849
10-12 p.m. 2,725 34,204
__________ _____________ _________________
Total: 57,103 864,302
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 7
Irvine 66
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 25
Los Alamos 0
MELWEB 37,977
Searchlight 1,667
Other - UC 748
Other-Network UC 16,607
_____
57,103
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10
Davis 13
Irvine 119
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 174
Los Alamos 0
MELWEB 821,673
Searchlight 0
Other - UC 7,433
Other-Network UC 34,880
_____
864,302
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) 20:02
Average session length (minutes:seconds) 15:36
Longest session recorded (minutes:seconds) 479:54
Average number of searches completed per session 9517.2
Retrievals per search - median 1.0
Retrievals per search - average 51.3
Retrievals per search - standard deviation 780.6
Percent of searches completed with 0 results 38.1%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 57,103 20.4%
PRESENT 188,236 67.1%
INIT or CLOSE 35,010 12.5%
OTHER 55 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 TITLE23,989 37.7% 9,385 39.1% 6 134.7 1276.1
EXACT PE TITLE 11,411 17.9% 2,528 22.2% 2 42.7 869.7
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 1,583 2.5% 1,481 93.6% 3 36.9 152.7
CORP AUTHOR 2,853 4.5% 2,595 91.0% 7 102.5 458.2
EXACT CORP AUTH 140 0.2% 63 45.0% 3 88.4 242.0
SUBJECT 3,018 4.7% 1,913 63.4% 15 429.9 1715.2
EXACT SUBJECT 277 0.4% 56 20.2% 10 346.7 1929.2
SERIES 60 0.1% 53 88.3% 4 23.4 39.0
EXACT SERIES 9 0.0% 2 22.2% 4 10.0 13.4
CODEN 23 0.0% 5 21.7% 1 1.1 0.5
ISBN 4,286 6.7% 4,285 100% 3 3.0 0.0
LCCN 676 1.1% 629 93.0% 1 2.7 9.9
ISSN 10,776 16.9% 649 6.0% 1 1.7 1.1
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 62 0.1% 62 100% 0 0.0 0.0
GOV'T DOC NUM 0 0.0% 0 0.0% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 3 0.0% 3 100% 0 0.0 0.0
GPO ITEM NUM 6 0.0% 0 0.0% 5 5.8 4.9
AT 4,369 6.9% 895 20.5% 2 26.3 235.2
RPE 45 0.1% 32 71.1% 6 28.8 40.9
RXPE 10 0.0% 6 60.0% 2 6.5 9.7
Other indexes 29 0.0% 25 86.2% 155 139.3 121.2
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 6,397 11.2% 2,774 43.4% 2 32.2 328.0
Single 50,706 88.8% 19,009 37.5% 2 88.7 1040.2
PRESENT commands, by type:
MARC 31.3%
OPAC 20.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)