MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/02 through 01/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 7,014 57,280
2-4 a.m. 3,937 35,431
4-6 a.m. 4,903 41,348
6-8 a.m. 10,456 90,899
8-10 a.m. 22,672 304,547
10-12 a.m. 37,782 637,147
12-2 p.m. 38,256 615,385
2-4 p.m. 41,658 782,689
4-6 p.m. 29,389 543,429
6-8 p.m. 16,057 247,126
8-10 p.m. 10,441 181,809
10-12 p.m. 9,725 134,206
__________ _____________ _________________
Total: 232,290 3,671,296
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 9
Davis 63
Irvine 255
Los Angeles 22
Riverside 0
San Diego 38
San Francisco 1
Santa Barbara 2
Santa Cruz 3
Lawrence Berkeley 5
Lawrence Livermore 10
Los Alamos 0
MELWEB 158,747
Searchlight 7,819
Other - UC 1,062
Other-Network UC 64,254
_____
232,290
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 226
Irvine 485
Los Angeles 22
Riverside 0
San Diego 22
San Francisco 22
Santa Barbara 0
Santa Cruz 25
Lawrence Berkeley 0
Lawrence Livermore 44
Los Alamos 0
MELWEB 3,520,613
Searchlight 0
Other - UC 11,386
Other-Network UC 138,451
_____
3,671,296
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 1.0
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) 20:02
Average session length (minutes:seconds) 15:30
Longest session recorded (minutes:seconds) 244:52
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 69.3
Retrievals per search - standard deviation 933.2
Percent of searches completed with 0 results 37.5%
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 232,290 20.4%
PRESENT 760,925 67.0%
INIT or CLOSE 142,281 12.5%
OTHER 249 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 TITLE102571 38.9% 39,207 38.2% 6 185.6 1524.7
EXACT PE TITLE 46,156 17.5% 10,583 22.9% 2 46.5 1026.6
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 6,776 2.6% 6,250 92.2% 3 29.8 146.9
CORP AUTHOR 11,977 4.5% 10,638 88.8% 6 125.2 618.9
EXACT CORP AUTH 494 0.2% 211 42.7% 8 131.8 288.9
SUBJECT 14,098 5.3% 8,727 61.9% 15 352.1 1295.4
EXACT SUBJECT 1,365 0.5% 452 33.1% 10 457.3 2088.5
SERIES 213 0.1% 178 83.6% 4 121.2 454.5
EXACT SERIES 33 0.0% 12 36.4% 6 41.0 94.2
CODEN 139 0.1% 61 43.9% 1 1.2 0.4
ISBN 12,939 4.9% 12,939 100% 0 0.0 0.0
LCCN 3,320 1.3% 3,254 98.0% 1 1.3 0.7
ISSN 40,784 15.5% 2,853 7.0% 1 1.7 1.1
INDEXED BY 22 0.0% 11 50.0% 136 241.2 145.9
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 407 0.2% 401 98.5% 1 11.7 17.5
GOV'T DOC NUM 23 0.0% 22 95.6% 53 53.0 0.0
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 6 0.0% 6 100% 0 0.0 0.0
GPO ITEM NUM 7 0.0% 7 100% 0 0.0 0.0
AT 21,856 8.3% 5,028 23.0% 2 45.2 378.5
RPE 214 0.1% 140 65.4% 6 196.2 799.1
RXPE 88 0.0% 46 52.3% 3 63.3 217.1
Other indexes 100 0.0% 55 55.0% 179 2932.3 7355.0
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 30,698 13.2% 13,334 43.4% 2 48.2 436.8
Single 201,592 86.8% 73,883 36.6% 2 119.4 1245.8
PRESENT commands, by type:
MARC 31.0%
OPAC 22.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)