MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/99 through 04/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,517 14,751
2-4 a.m. 1,083 5,690
4-6 a.m. 808 5,883
6-8 a.m. 1,796 18,175
8-10 a.m. 6,199 65,493
10-12 a.m. 12,890 121,023
12-2 p.m. 14,445 144,290
2-4 p.m. 15,001 160,865
4-6 p.m. 11,553 126,547
6-8 p.m. 7,419 57,982
8-10 p.m. 5,673 45,902
10-12 p.m. 4,010 31,828
__________ _____________ _________________
Total: 83,394 798,429
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 0
Irvine 1,109
Los Angeles 55
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 71,447
Other - UC 3,467
Other-Network UC 7,311
_____
83,394
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 53
Davis 0
Irvine 4,591
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 742,867
Other - UC 20,170
Other-Network UC 30,747
_____
798,429
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 5.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.6
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 21:47
Average session length (minutes:seconds) 21:47
Longest session recorded (minutes:seconds) 194:31
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 86.1
Retrievals per search - standard deviation 1300.8
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 83,391 24.8%
PRESENT 225,244 67.1%
INIT or CLOSE 26,788 8.0%
OTHER 285 0.1%
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 TITLE37,662 36.5% 11,748 31.2% 5 181.7 2115.3
EXACT PE TITLE 23,749 23.0% 6,988 29.4% 2 43.3 958.1
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 2,444 2.4% 2,218 90.8% 3 24.3 128.7
CORP AUTHOR 2,840 2.7% 2,152 75.8% 7 125.8 521.1
EXACT CORP AUTH 235 0.2% 64 27.2% 2 53.1 274.7
SUBJECT 14,898 14.4% 10,377 69.7% 13 338.5 1355.6
EXACT SUBJECT 1,175 1.1% 515 43.8% 5 128.3 624.8
SERIES 146 0.1% 127 87.0% 3 76.9 169.0
EXACT SERIES 42 0.0% 24 57.1% 6 87.2 139.2
CODEN 24 0.0% 16 66.7% 1 1.5 0.8
ISBN 222 0.2% 221 99.5% 1 1.0 0.0
LCCN 64 0.1% 64 100% 0 0.0 0.0
ISSN 1,847 1.8% 281 15.2% 1 1.9 1.3
INDEXED BY 19 0.0% 19 100% 0 0.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 10 0.0% 2 20.0% 2 7.9 17.0
GOV'T DOC NUM 23 0.0% 22 95.6% 46 46.0 0.0
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 5 0.0% 5 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 17,374 16.8% 6,918 39.8% 2 59.9 591.5
RPE 382 0.4% 280 73.3% 17 334.8 1365.3
RXPE 115 0.1% 75 65.2% 9 73.4 202.0
Other indexes 12 0.0% 10 83.3% 1 1.0 0.0
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 19,241 23.1% 8,558 44.5% 2 59.7 586.1
Single 64,150 76.9% 24,422 38.1% 4 164.7 1856.6
PRESENT commands, by type:
MARC 45.5%
OPAC 32.7%