MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/01 through 03/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,795 40,646
2-4 a.m. 1,649 30,025
4-6 a.m. 924 10,312
6-8 a.m. 1,958 26,996
8-10 a.m. 5,537 90,364
10-12 a.m. 10,887 182,558
12-2 p.m. 11,321 189,654
2-4 p.m. 13,263 205,764
4-6 p.m. 10,504 176,365
6-8 p.m. 5,770 92,115
8-10 p.m. 3,634 54,990
10-12 p.m. 2,397 38,868
__________ _____________ _________________
Total: 70,639 1,138,657
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,588
Davis 1,938
Irvine 356
Los Angeles 720
Riverside 340
San Diego 1,044
San Francisco 774
Santa Barbara 332
Santa Cruz 383
Lawrence Berkeley 74
Lawrence Livermore 244
Los Alamos 0
MELWEB 44,631
Searchlight 15,220
Other - UC 802
Other-Network UC 2,193
_____
70,639
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 21,313
Davis 25,015
Irvine 5,323
Los Angeles 11,811
Riverside 4,803
San Diego 10,085
San Francisco 6,357
Santa Barbara 5,388
Santa Cruz 5,762
Lawrence Berkeley 1,506
Lawrence Livermore 4,440
Los Alamos 0
MELWEB 916,999
Searchlight 72,859
Other - UC 13,669
Other-Network UC 33,327
_____
1,138,657
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 5.8
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 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:21
Average session length (minutes:seconds) 14:54
Longest session recorded (minutes:seconds) 205:03
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 512.1
Retrievals per search - standard deviation 6599.0
Percent of searches completed with 0 results 26.7%
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 70,639 17.2%
PRESENT 308,705 75.0%
INIT or CLOSE 31,773 7.7%
OTHER 321 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:
PERSONAL AUTHOR 30,321 31.9% 6,205 20.5% 14 218.1 2023.0
TITLE WORD 39,302 41.4% 11,464 29.2% 10 524.8 5002.0
EXACT TITLE 808 0.9% 439 54.3% 1 43.1 207.1
JOURNAL 5,751 6.1% 2,347 40.8% 9 3273.2 26127.9
EXACT JOURNAL 3,121 3.3% 1,341 43.0% 419 3469.9 8749.3
DATE 3,690 3.9% 688 18.6% 6 148.8 1164.0
ADDED SINCE 4,617 4.9% 3,449 74.7% 3 10.3 24.9
SUBFILE 570 0.6% 243 42.6% 20 215.4 1342.6
LANGUAGE 1,275 1.3% 326 25.6% 18 374.3 2596.0
SUBJECT CATEGORY 539 0.6% 183 33.9% 12 98.8 472.6
PUB TYPE 717 0.8% 162 22.6% 18 215.8 1153.2
ISN 1 0.0% 1 100% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,149 4.4% 1,183 28.5% 18 980.8 7069.3
Other indexes 69 0.1% 54 78.3% 2 76.3 231.8
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 19,838 28.1% 7,466 37.6% 5 364.4 5565.6
Single 50,801 71.9% 11,411 22.5% 21 804.0 8255.2
PRESENT commands, by type:
MARC 62.6%
OPAC 23.4%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we