MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/31/01 through 04/06/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,431 14,701
2-4 a.m. 848 6,869
4-6 a.m. 836 5,397
6-8 a.m. 1,588 10,617
8-10 a.m. 3,361 72,654
10-12 a.m. 6,216 144,990
12-2 p.m. 6,359 123,372
2-4 p.m. 6,808 142,171
4-6 p.m. 5,346 115,155
6-8 p.m. 3,004 46,486
8-10 p.m. 2,033 45,059
10-12 p.m. 1,591 32,237
__________ _____________ _________________
Total: 39,421 759,708
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 0
Irvine 58
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 27,129
Searchlight 2,392
Other - UC 429
Other-Network UC 9,411
_____
39,421
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10
Davis 0
Irvine 140
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 741,475
Searchlight 0
Other - UC 3,590
Other-Network UC 14,493
_____
759,708
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 1.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:13
Average session length (minutes:seconds) 15:37
Longest session recorded (minutes:seconds) 247:59
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 62.5
Retrievals per search - standard deviation 831.5
Percent of searches completed with 0 results 40.4%
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 39,421 18.8%
PRESENT 148,054 70.7%
INIT or CLOSE 21,923 10.5%
OTHER 58 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 TITLE18,932 41.8% 7,159 37.8% 4 149.3 1231.6
EXACT PE TITLE 9,414 20.8% 2,166 23.0% 2 39.3 990.0
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 1,399 3.1% 1,290 92.2% 3 12.2 26.4
CORP AUTHOR 1,901 4.2% 1,660 87.3% 6 119.2 569.4
EXACT CORP AUTH 99 0.2% 28 28.3% 14 101.3 236.2
SUBJECT 2,826 6.2% 1,782 63.1% 13 327.4 1287.4
EXACT SUBJECT 271 0.6% 107 39.5% 7 213.5 1202.2
SERIES 64 0.1% 57 89.1% 3 5.9 9.1
EXACT SERIES 9 0.0% 7 77.8% 2 1.5 0.7
CODEN 8 0.0% 4 50.0% 1 1.8 1.5
ISBN 2,619 5.8% 2,619 100% 0 0.0 0.0
LCCN 99 0.2% 89 89.9% 1 6.1 15.4
ISSN 3,287 7.3% 355 10.8% 1 1.6 1.1
INDEXED BY 3 0.0% 3 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 109 0.2% 103 94.5% 1 1.0 0.0
GOV'T DOC NUM 2 0.0% 2 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 0 0.0% 0 0.0% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,122 9.1% 975 23.7% 2 35.6 216.0
RPE 33 0.1% 22 66.7% 3 28.5 58.7
RXPE 13 0.0% 7 53.8% 3 4.8 4.4
Other indexes 35 0.1% 26 74.3% 773 872.7 465.4
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 5,683 14.4% 2,410 42.4% 2 36.0 215.2
Single 33,738 85.6% 13,511 40.0% 3 116.0 1154.9
PRESENT commands, by type:
MARC 29.3%
OPAC 19.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)