MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/00 through 06/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,522 45,534
2-4 a.m. 1,601 30,821
4-6 a.m. 755 24,550
6-8 a.m. 1,380 39,634
8-10 a.m. 4,295 93,592
10-12 a.m. 9,072 175,020
12-2 p.m. 9,117 187,631
2-4 p.m. 11,040 219,779
4-6 p.m. 8,069 156,548
6-8 p.m. 3,243 69,316
8-10 p.m. 2,223 51,831
10-12 p.m. 1,799 46,634
__________ _____________ _________________
Total: 55,116 1,140,890
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,046
Davis 932
Irvine 175
Los Angeles 413
Riverside 257
San Diego 1,603
San Francisco 396
Santa Barbara 572
Santa Cruz 299
Lawrence Berkeley 138
Lawrence Livermore 123
Los Alamos 0
MELWEB 38,493
Searchlight 8,886
Other - UC 464
Other-Network UC 1,319
_____
55,116
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10,330
Davis 12,171
Irvine 2,685
Los Angeles 8,484
Riverside 2,526
San Diego 13,908
San Francisco 3,936
Santa Barbara 5,649
Santa Cruz 6,191
Lawrence Berkeley 2,523
Lawrence Livermore 2,467
Los Alamos 0
MELWEB 821,663
Searchlight 193,320
Other - UC 10,600
Other-Network UC 44,437
_____
1,140,890
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.8
Standard deviation in seconds 7.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.3
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:24
Average session length (minutes:seconds) 15:16
Longest session recorded (minutes:seconds) 187:09
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 562.0
Retrievals per search - standard deviation 5630.1
Percent of searches completed with 0 results 25.2%
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 55,116 14.5%
PRESENT 301,048 79.0%
INIT or CLOSE 24,579 6.4%
OTHER 406 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 24,414 32.8% 4,889 20.0% 15 203.4 1668.8
TITLE WORD 28,903 38.8% 8,081 28.0% 13 643.5 4886.8
EXACT TITLE 702 0.9% 355 50.6% 1 1285.5 23237.2
JOURNAL 4,979 6.7% 1,990 40.0% 11 2860.1 19060.9
EXACT JOURNAL 2,241 3.0% 687 30.7% 582 3610.6 8288.9
DATE 3,047 4.1% 633 20.8% 6 134.7 1889.7
ADDED SINCE 3,795 5.1% 2,706 71.3% 3 13.7 58.7
SUBFILE 462 0.6% 136 29.4% 17 661.4 5881.4
LANGUAGE 1,166 1.6% 283 24.3% 26 342.8 1558.9
SUBJECT CATEGORY 522 0.7% 142 27.2% 20 154.9 619.2
PUB TYPE 535 0.7% 112 20.9% 28 291.2 1595.9
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 3,608 4.8% 949 26.3% 23 674.0 3924.2
Other indexes 44 0.1% 32 72.7% 16 141.7 225.0
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 15,096 27.4% 5,521 36.6% 6 339.2 5349.3
Single 40,020 72.6% 8,393 21.0% 24 876.6 6806.3
PRESENT commands, by type:
MARC 56.5%
OPAC 31.3%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we