MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/02/02 through 03/08/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,980 23,848
2-4 a.m. 1,434 13,787
4-6 a.m. 1,593 13,049
6-8 a.m. 3,170 21,764
8-10 a.m. 6,816 113,571
10-12 a.m. 11,639 196,449
12-2 p.m. 12,930 196,566
2-4 p.m. 14,265 241,178
4-6 p.m. 11,151 179,927
6-8 p.m. 6,005 93,266
8-10 p.m. 4,407 69,657
10-12 p.m. 3,813 51,252
__________ _____________ _________________
Total: 79,203 1,214,314
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 6
Davis 0
Irvine 65
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 59,011
Searchlight 3,012
Other - UC 327
Other-Network UC 16,772
_____
79,203
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 17
Davis 0
Irvine 214
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 9
Los Alamos 0
MELWEB 1,168,834
Searchlight 0
Other - UC 3,519
Other-Network UC 41,721
_____
1,214,314
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 3.1
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) 20:04
Average session length (minutes:seconds) 16:51
Longest session recorded (minutes:seconds) 224:14
Average number of searches completed per session 15841
Retrievals per search - median 1.0
Retrievals per search - average 69.3
Retrievals per search - standard deviation 947.2
Percent of searches completed with 0 results 36.6%
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 79,203 20.6%
PRESENT 257,114 66.8%
INIT or CLOSE 48,364 12.6%
OTHER 111 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 TITLE32,112 35.4% 12,685 39.5% 5 201.6 1640.9
EXACT PE TITLE 14,971 16.5% 3,300 22.0% 2 36.1 963.4
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 1,929 2.1% 1,774 92.0% 2 9.2 29.6
CORP AUTHOR 3,796 4.2% 3,372 88.8% 6 100.5 457.6
EXACT CORP AUTH 122 0.1% 47 38.5% 6 101.4 271.5
SUBJECT 7,283 8.0% 4,455 61.2% 14 316.2 1266.1
EXACT SUBJECT 498 0.5% 177 35.5% 7 461.2 2337.3
SERIES 53 0.1% 44 83.0% 4 121.1 211.0
EXACT SERIES 18 0.0% 7 38.9% 18 52.5 85.4
CODEN 18 0.0% 5 27.8% 1 1.2 0.6
ISBN 3,649 4.0% 3,649 100% 0 0.0 0.0
LCCN 566 0.6% 541 95.6% 1 1.1 0.3
ISSN 16,577 18.3% 1,188 7.2% 1 1.7 1.2
INDEXED BY 6 0.0% 6 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 113 0.1% 110 97.3% 47 49.3 10.7
GOV'T DOC NUM 10 0.0% 10 100% 0 0.0 0.0
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 8,864 9.8% 2,435 27.5% 2 44.3 343.2
RPE 106 0.1% 78 73.6% 5 207.3 716.8
RXPE 42 0.0% 31 73.8% 4 25.8 48.5
Other indexes 52 0.1% 27 51.9% 20 2733.2 8273.7
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 11,332 14.3% 4,718 41.6% 2 50.2 526.5
Single 67,871 85.7% 24,284 35.8% 2 118.2 1258.0
PRESENT commands, by type:
MARC 32.4%
OPAC 22.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)