MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/13/02 through 04/19/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,335 20,992
2-4 a.m. 1,430 10,252
4-6 a.m. 2,068 16,295
6-8 a.m. 3,440 24,475
8-10 a.m. 6,021 82,525
10-12 a.m. 10,506 155,213
12-2 p.m. 10,991 164,429
2-4 p.m. 12,402 205,326
4-6 p.m. 9,549 165,373
6-8 p.m. 6,407 81,193
8-10 p.m. 4,117 67,042
10-12 p.m. 3,195 44,722
__________ _____________ _________________
Total: 72,461 1,037,837
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 65
Davis 0
Irvine 2
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 4
Lawrence Livermore 2
Los Alamos 0
MELWEB 51,238
Searchlight 2,458
Other - UC 590
Other-Network UC 18,101
_____
72,461
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 395
Davis 0
Irvine 3
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 26
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 11
Los Alamos 0
MELWEB 1,004,403
Searchlight 0
Other - UC 6,954
Other-Network UC 26,045
_____
1,037,837
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.1
Standard deviation in seconds 0.8
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) 20:03
Average session length (minutes:seconds) 16:54
Longest session recorded (minutes:seconds) 230:49
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 53.1
Retrievals per search - standard deviation 808.8
Percent of searches completed with 0 results 35.4%
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 72,461 20.4%
PRESENT 236,992 66.8%
INIT or CLOSE 44,989 12.7%
OTHER 97 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 TITLE26,705 33.1% 11,502 43.1% 5 171.1 1478.0
EXACT PE TITLE 12,554 15.6% 2,484 19.8% 2 37.1 879.1
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 1,607 2.0% 1,495 93.0% 3 23.6 66.5
CORP AUTHOR 3,493 4.3% 3,118 89.3% 8 102.7 516.9
EXACT CORP AUTH 131 0.2% 54 41.2% 9 142.6 274.7
SUBJECT 4,812 6.0% 3,084 64.1% 14 353.1 1362.5
EXACT SUBJECT 384 0.5% 125 32.6% 9 478.4 2367.9
SERIES 64 0.1% 54 84.4% 3 585.4 1119.5
EXACT SERIES 11 0.0% 9 81.8% 3 2.5 0.7
CODEN 9 0.0% 6 66.7% 1 1.0 0.0
ISBN 3,878 4.8% 3,876 99.9% 3 2.5 2.1
LCCN 832 1.0% 821 98.7% 1 1.2 0.4
ISSN 20,404 25.3% 1,275 6.2% 1 1.7 1.1
INDEXED BY 1 0.0% 1 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 146 0.2% 141 96.6% 41 39.4 8.3
GOV'T DOC NUM 2 0.0% 2 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 8 0.0% 1 12.5% 3 3.9 3.4
AT 5,488 6.8% 1,425 26.0% 3 37.1 208.5
RPE 62 0.1% 36 58.1% 5 43.3 62.4
RXPE 17 0.0% 9 52.9% 2 188.0 519.3
Other indexes 42 0.1% 28 66.7% 649 7379.9 10932.6
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 8,020 11.1% 3,729 46.5% 2 43.3 429.6
Single 64,441 88.9% 21,936 34.0% 2 86.1 1045.8
PRESENT commands, by type:
MARC 33.0%
OPAC 21.5%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)