MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/01 through 05/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 9,030 93,865
2-4 a.m. 4,680 50,698
4-6 a.m. 4,653 29,612
6-8 a.m. 8,123 80,992
8-10 a.m. 17,158 307,911
10-12 a.m. 32,740 621,640
12-2 p.m. 35,229 637,409
2-4 p.m. 39,953 761,730
4-6 p.m. 29,904 537,287
6-8 p.m. 19,343 292,558
8-10 p.m. 13,949 223,047
10-12 p.m. 10,854 162,805
__________ _____________ _________________
Total: 225,616 3,799,554
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 382
Los Angeles 1
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 4
Los Alamos 0
MELWEB 164,225
Searchlight 14,464
Other - UC 1,229
Other-Network UC 45,309
_____
225,616
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 0
Irvine 869
Los Angeles 1
Riverside 0
San Diego 4
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 7
Los Alamos 0
MELWEB 3,700,074
Searchlight 0
Other - UC 12,473
Other-Network UC 86,110
_____
3,799,554
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 1.9
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
_________________________________________
Median session length (minutes:seconds) 20:06
Average session length (minutes:seconds) 16:05
Longest session recorded (minutes:seconds) 305:28
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 67.3
Retrievals per search - standard deviation 858.8
Percent of searches completed with 0 results 38.3%
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 225,616 20.1%
PRESENT 765,732 68.1%
INIT or CLOSE 131,850 11.7%
OTHER 384 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 TITLE98,468 37.7% 38,887 39.5% 5 182.3 1391.2
EXACT PE TITLE 49,613 19.0% 11,728 23.6% 2 36.2 925.6
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 6,624 2.5% 6,070 91.6% 3 26.2 158.5
CORP AUTHOR 9,443 3.6% 8,053 85.3% 7 124.7 874.7
EXACT CORP AUTH 477 0.2% 178 37.3% 7 106.7 243.6
SUBJECT 23,209 8.9% 14,732 63.5% 12 274.5 1227.2
EXACT SUBJECT 1,877 0.7% 637 33.9% 8 293.3 1817.7
SERIES 210 0.1% 186 88.6% 4 26.7 68.0
EXACT SERIES 58 0.0% 27 46.6% 7 51.9 99.8
CODEN 136 0.1% 38 27.9% 1 1.3 0.6
ISBN 9,601 3.7% 9,597 100% 6 5.8 3.8
LCCN 409 0.2% 376 91.9% 1 1.2 0.6
ISSN 33,242 12.7% 2,735 8.2% 1 1.6 1.0
INDEXED BY 27 0.0% 24 88.9% 283 227.7 95.8
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 410 0.2% 400 97.6% 3 20.5 24.4
GOV'T DOC NUM 34 0.0% 33 97.1% 53 53.0 0.0
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 17 0.0% 15 88.2% 26 26.0 35.4
GPO ITEM NUM 6 0.0% 5 83.3% 2 2.0 0.0
AT 26,878 10.3% 7,890 29.4% 2 44.7 327.5
RPE 366 0.1% 268 73.2% 7 141.6 639.1
RXPE 127 0.0% 75 59.1% 3 19.7 48.5
Other indexes 169 0.1% 110 65.1% 17 864.7 2924.7
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 34,833 15.4% 14,899 42.8% 2 46.6 432.0
Single 190,783 84.6% 71,422 37.4% 2 119.4 1164.8
PRESENT commands, by type:
MARC 31.3%
OPAC 21.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)