MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/30/00 through 01/05/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 748 6,497
2-4 a.m. 363 3,514
4-6 a.m. 423 2,066
6-8 a.m. 778 10,220
8-10 a.m. 1,710 46,179
10-12 a.m. 3,640 72,361
12-2 p.m. 3,333 91,616
2-4 p.m. 3,569 91,169
4-6 p.m. 2,632 52,257
6-8 p.m. 1,517 32,680
8-10 p.m. 697 14,687
10-12 p.m. 1,021 10,547
__________ _____________ _________________
Total: 20,431 433,793
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 0
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 13,992
Searchlight 1,132
Other - UC 172
Other-Network UC 5,135
_____
20,431
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 0
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 424,970
Searchlight 0
Other - UC 1,391
Other-Network UC 7,432
_____
433,793
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 1.9
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) 20:14
Average session length (minutes:seconds) 14:56
Longest session recorded (minutes:seconds) 211:30
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 73.6
Retrievals per search - standard deviation 1339.8
Percent of searches completed with 0 results 39.8%
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 20,431 18.2%
PRESENT 81,545 72.5%
INIT or CLOSE 10,453 9.3%
OTHER 41 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 TITLE10,344 44.1% 3,535 34.2% 4 183.9 2293.1
EXACT PE TITLE 5,155 22.0% 1,323 25.7% 2 32.7 385.8
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 815 3.5% 749 91.9% 2 30.0 212.0
CORP AUTHOR 965 4.1% 801 83.0% 7 66.6 189.4
EXACT CORP AUTH 48 0.2% 23 47.9% 13 167.0 310.1
SUBJECT 1,230 5.2% 811 65.9% 17 228.3 561.4
EXACT SUBJECT 160 0.7% 62 38.7% 6 144.6 405.3
SERIES 17 0.1% 13 76.5% 3 327.5 650.3
EXACT SERIES 5 0.0% 2 40.0% 9 101.0 166.3
CODEN 19 0.1% 5 26.3% 1 1.0 0.0
ISBN 1,269 5.4% 1,266 99.8% 3 3.0 0.0
LCCN 74 0.3% 70 94.6% 1 1.0 0.0
ISSN 1,009 4.3% 113 11.2% 1 1.8 1.6
INDEXED BY 2 0.0% 2 100% 0 0.0 0.0
DLA ID 2 0.0% 0 0.0% 1 1.0 0.0
LOCAL NUM 64 0.3% 59 92.2% 1 1.4 0.5
GOV'T DOC NUM 1 0.0% 1 100% 0 0.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,224 9.5% 399 17.9% 2 39.3 288.0
RPE 25 0.1% 18 72.0% 6 7.3 8.2
RXPE 6 0.0% 3 50.0% 2 3.3 2.3
Other indexes 7 0.0% 5 71.4% 150 149.5 207.2
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 2,943 14.4% 1,076 36.6% 2 40.1 286.8
Single 17,488 85.6% 7,060 40.4% 3 137.0 1869.3
PRESENT commands, by type:
MARC 27.6%
OPAC 18.2%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)