MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/01 through 08/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 5,112 49,290
2-4 a.m. 3,337 25,848
4-6 a.m. 4,357 26,612
6-8 a.m. 7,745 67,698
8-10 a.m. 17,328 269,505
10-12 a.m. 28,629 562,630
12-2 p.m. 26,274 525,101
2-4 p.m. 27,409 612,441
4-6 p.m. 17,645 360,783
6-8 p.m. 7,714 150,032
8-10 p.m. 4,703 119,836
10-12 p.m. 4,186 80,973
__________ _____________ _________________
Total: 154,439 2,850,749
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 2
Irvine 271
Los Angeles 5
Riverside 4
San Diego 3
San Francisco 4
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 16
Searchlight 0
Other - UC 109,597
Other-Network UC 44,534
_____
154,439
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 30
Irvine 855
Los Angeles 25
Riverside 111
San Diego 5
San Francisco 8
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 293
Searchlight 0
Other - UC 2,753,889
Other-Network UC 95,517
_____
2,850,749
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 2.6
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) 20:10
Average session length (minutes:seconds) 15:43
Longest session recorded (minutes:seconds) 489:32
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 74.7
Retrievals per search - standard deviation 1002.4
Percent of searches completed with 0 results 42.0%
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 154,439 19.4%
PRESENT 559,826 70.3%
INIT or CLOSE 81,279 10.2%
OTHER 216 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 TITLE73,875 41.9% 30,126 40.8% 5 215.9 1744.9
EXACT PE TITLE 36,071 20.5% 8,412 23.3% 2 33.7 733.4
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 5,679 3.2% 5,197 91.5% 3 12.9 45.2
CORP AUTHOR 10,761 6.1% 9,793 91.0% 6 105.8 563.7
EXACT CORP AUTH 450 0.3% 216 48.0% 11 191.0 562.9
SUBJECT 7,881 4.5% 5,174 65.6% 15 282.5 954.5
EXACT SUBJECT 851 0.5% 297 34.9% 9 251.6 1406.3
SERIES 185 0.1% 153 82.7% 5 19.6 34.8
EXACT SERIES 32 0.0% 15 46.9% 1 12.1 30.8
CODEN 134 0.1% 44 32.8% 1 1.1 0.4
ISBN 10,129 5.7% 10,117 99.9% 3 6.1 12.4
LCCN 1,728 1.0% 1,662 96.2% 1 1.4 0.8
ISSN 15,458 8.8% 1,950 12.6% 1 1.6 1.1
INDEXED BY 16 0.0% 16 100% 0 0.0 0.0
DLA ID 3 0.0% 2 66.7% 1 1.0 0.0
LOCAL NUM 51 0.0% 43 84.3% 48 45.4 11.1
GOV'T DOC NUM 16 0.0% 15 93.8% 53 53.0 0.0
REPORT NUM 6 0.0% 5 83.3% 2 2.0 0.0
STOCK NUM 8 0.0% 6 75.0% 7 6.5 7.8
GPO ITEM NUM 3 0.0% 2 66.7% 47 47.0 0.0
AT 12,632 7.2% 2,589 20.5% 2 33.4 237.2
RPE 125 0.1% 80 64.0% 16 612.0 1832.7
RXPE 44 0.0% 29 65.9% 5 19.3 37.0
Other indexes 85 0.0% 62 72.9% 65 3889.7 8587.8
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 21,424 13.9% 10,898 50.9% 2 35.4 311.3
Single 133,015 86.1% 53,909 40.5% 3 141.1 1392.7
PRESENT commands, by type:
MARC 29.9%
OPAC 19.2%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)