MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/03/01 through 02/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,220 23,805
2-4 a.m. 708 6,146
4-6 a.m. 604 10,957
6-8 a.m. 1,173 12,050
8-10 a.m. 3,314 74,042
10-12 a.m. 7,373 150,853
12-2 p.m. 8,062 174,060
2-4 p.m. 8,674 161,418
4-6 p.m. 6,889 112,049
6-8 p.m. 3,979 71,719
8-10 p.m. 2,559 57,957
10-12 p.m. 2,347 38,559
__________ _____________ _________________
Total: 46,902 893,615
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 82
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 34,655
Searchlight 3,382
Other - UC 493
Other-Network UC 8,289
_____
46,902
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 150
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 877,274
Searchlight 0
Other - UC 4,571
Other-Network UC 11,620
_____
893,615
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 2.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:14
Average session length (minutes:seconds) 16:26
Longest session recorded (minutes:seconds) 193:15
Average number of searches completed per session 46902
Retrievals per search - median 1.0
Retrievals per search - average 69.6
Retrievals per search - standard deviation 955.0
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 46,902 18.9%
PRESENT 174,577 70.3%
INIT or CLOSE 26,345 10.6%
OTHER 420 0.2%
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 TITLE21,517 39.2% 7,933 36.9% 5 143.5 1311.8
EXACT PE TITLE 10,219 18.6% 2,455 24.0% 2 67.7 1378.5
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 1,301 2.4% 1,191 91.5% 2 8.2 24.2
CORP AUTHOR 1,970 3.6% 1,642 83.3% 7 124.8 517.5
EXACT CORP AUTH 118 0.2% 46 39.0% 6 93.3 247.9
SUBJECT 5,019 9.1% 3,101 61.8% 14 344.2 1383.8
EXACT SUBJECT 459 0.8% 153 33.3% 8 245.5 1337.8
SERIES 44 0.1% 33 75.0% 22 351.4 925.8
EXACT SERIES 17 0.0% 8 47.1% 12 72.3 111.2
CODEN 31 0.1% 17 54.8% 1 1.4 0.8
ISBN 2,497 4.5% 2,497 100% 0 0.0 0.0
LCCN 217 0.4% 200 92.2% 1 1.4 0.8
ISSN 4,953 9.0% 423 8.5% 1 1.7 1.4
INDEXED BY 3 0.0% 3 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 74 0.1% 70 94.6% 21 24.3 27.5
GOV'T DOC NUM 4 0.0% 3 75.0% 52 52.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 0 0.0% 0 0.0% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 6,306 11.5% 1,791 28.4% 3 52.3 354.4
RPE 72 0.1% 49 68.1% 12 438.3 1283.5
RXPE 27 0.0% 17 63.0% 3 8.1 14.1
Other indexes 48 0.1% 38 79.2% 2 367.1 513.6
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 7,804 16.6% 3,115 39.9% 3 53.5 357.0
Single 39,098 83.4% 15,271 39.1% 3 126.5 1327.9
PRESENT commands, by type:
MARC 29.3%
OPAC 20.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)