MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/26/02 through 02/01/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,711 13,243
2-4 a.m. 1,043 6,584
4-6 a.m. 1,197 15,806
6-8 a.m. 2,735 28,377
8-10 a.m. 6,024 75,927
10-12 a.m. 9,882 165,839
12-2 p.m. 10,742 168,413
2-4 p.m. 11,842 211,967
4-6 p.m. 8,020 146,539
6-8 p.m. 4,708 83,211
8-10 p.m. 3,089 54,898
10-12 p.m. 2,716 50,655
__________ _____________ _________________
Total: 63,709 1,021,459
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 14
Davis 6
Irvine 68
Los Angeles 0
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 45,519
Searchlight 2,432
Other - UC 294
Other-Network UC 15,374
_____
63,709
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 105
Davis 7
Irvine 124
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 989,478
Searchlight 0
Other - UC 3,358
Other-Network UC 28,387
_____
1,021,459
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 1.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:02
Average session length (minutes:seconds) 15:43
Longest session recorded (minutes:seconds) 203:39
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 71.7
Retrievals per search - standard deviation 985.1
Percent of searches completed with 0 results 37.3%
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 63,709 20.2%
PRESENT 212,697 67.4%
INIT or CLOSE 39,296 12.4%
OTHER 54 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 TITLE28,229 38.6% 11,251 39.9% 6 183.8 1545.6
EXACT PE TITLE 12,732 17.4% 2,856 22.4% 2 55.2 1235.6
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 1,788 2.4% 1,652 92.4% 2 21.6 144.3
CORP AUTHOR 3,647 5.0% 3,283 90.0% 5 156.8 751.5
EXACT CORP AUTH 95 0.1% 26 27.4% 4 81.8 225.6
SUBJECT 4,635 6.3% 2,831 61.1% 13 365.9 1424.3
EXACT SUBJECT 386 0.5% 143 37.0% 11 505.7 2224.0
SERIES 72 0.1% 57 79.2% 12 195.9 660.7
EXACT SERIES 9 0.0% 5 55.6% 10 91.3 167.9
CODEN 43 0.1% 27 62.8% 1 1.1 0.3
ISBN 2,875 3.9% 2,875 100% 0 0.0 0.0
LCCN 502 0.7% 484 96.4% 1 1.2 0.4
ISSN 11,230 15.3% 686 6.1% 1 1.7 1.0
INDEXED BY 14 0.0% 3 21.4% 136 241.2 145.9
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 99 0.1% 99 100% 0 0.0 0.0
GOV'T DOC NUM 11 0.0% 11 100% 0 0.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 4 0.0% 4 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 4 100% 0 0.0 0.0
AT 6,648 9.1% 1,695 25.5% 2 34.3 197.7
RPE 85 0.1% 58 68.2% 5 173.0 633.6
RXPE 32 0.0% 18 56.3% 2 59.1 171.4
Other indexes 28 0.0% 10 35.7% 417 3268.3 7024.4
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 9,298 14.6% 4,183 45.0% 2 39.8 372.1
Single 54,411 85.4% 19,572 36.0% 2 125.2 1322.0
PRESENT commands, by type:
MARC 31.2%
OPAC 22.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)