MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/17/01 through 11/23/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,839 21,861
2-4 a.m. 1,005 11,346
4-6 a.m. 1,003 7,447
6-8 a.m. 1,788 13,863
8-10 a.m. 6,937 59,018
10-12 a.m. 7,960 115,581
12-2 p.m. 8,322 131,916
2-4 p.m. 9,198 167,523
4-6 p.m. 7,145 99,253
6-8 p.m. 3,758 59,304
8-10 p.m. 3,109 71,394
10-12 p.m. 2,786 45,821
__________ _____________ _________________
Total: 54,850 804,327
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 29
Los Angeles 0
Riverside 1
San Diego 0
San Francisco 7
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 40,332
Other-Network UC 14,478
_____
54,850
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 71
Davis 0
Irvine 55
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 5
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 773,672
Other-Network UC 30,524
_____
804,327
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 3.5
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) 20:06
Average session length (minutes:seconds) 16:01
Longest session recorded (minutes:seconds) 331:37
Average number of searches completed per session 18283
Retrievals per search - median 1.0
Retrievals per search - average 73.2
Retrievals per search - standard deviation 998.4
Percent of searches completed with 0 results 39.5%
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 54,850 21.7%
PRESENT 166,490 65.8%
INIT or CLOSE 31,533 12.5%
OTHER 87 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 TITLE21,985 35.2% 9,245 42.1% 5 216.4 1599.6
EXACT PE TITLE 10,365 16.6% 2,705 26.1% 2 62.9 1489.6
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 1,423 2.3% 1,305 91.7% 4 18.1 33.6
CORP AUTHOR 2,524 4.0% 2,196 87.0% 5 62.8 397.8
EXACT CORP AUTH 89 0.1% 21 23.6% 7 123.4 312.3
SUBJECT 5,856 9.4% 3,790 64.7% 12 279.5 1178.3
EXACT SUBJECT 426 0.7% 143 33.6% 6 533.4 2358.1
SERIES 53 0.1% 47 88.7% 1 4.8 9.4
EXACT SERIES 5 0.0% 2 40.0% 7 11.0 9.6
CODEN 5 0.0% 5 100% 0 0.0 0.0
ISBN 2,107 3.4% 2,107 100% 0 0.0 0.0
LCCN 769 1.2% 750 97.5% 1 1.1 0.2
ISSN 10,884 17.4% 811 7.5% 1 1.5 0.9
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 96 0.2% 96 100% 0 0.0 0.0
GOV'T DOC NUM 7 0.0% 7 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 5,657 9.1% 1,762 31.1% 2 58.7 377.1
RPE 67 0.1% 48 71.6% 6 66.1 207.6
RXPE 21 0.0% 15 71.4% 1 21.8 38.3
Other indexes 40 0.1% 28 70.0% 43 453.3 926.5
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 7,325 13.4% 3,241 44.2% 2 56.7 368.8
Single 47,525 86.6% 18,421 38.8% 2 130.1 1361.0
PRESENT commands, by type:
MARC 32.3%
OPAC 21.2%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)