MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/00 through 07/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,235 53,309
2-4 a.m. 898 22,642
4-6 a.m. 964 25,363
6-8 a.m. 1,576 33,956
8-10 a.m. 4,115 86,344
10-12 a.m. 8,610 172,350
12-2 p.m. 8,664 176,148
2-4 p.m. 10,719 208,246
4-6 p.m. 8,018 151,740
6-8 p.m. 3,462 70,698
8-10 p.m. 1,828 35,873
10-12 p.m. 1,194 29,834
__________ _____________ _________________
Total: 53,283 1,066,503
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 865
Davis 1,012
Irvine 194
Los Angeles 400
Riverside 169
San Diego 1,072
San Francisco 353
Santa Barbara 1,028
Santa Cruz 337
Lawrence Berkeley 202
Lawrence Livermore 120
Los Alamos 0
MELWEB 35,235
Searchlight 9,994
Other - UC 532
Other-Network UC 1,770
_____
53,283
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 15,599
Davis 20,860
Irvine 2,447
Los Angeles 6,660
Riverside 1,779
San Diego 8,685
San Francisco 5,525
Santa Barbara 16,918
Santa Cruz 9,355
Lawrence Berkeley 3,034
Lawrence Livermore 3,238
Los Alamos 0
MELWEB 773,467
Searchlight 156,680
Other - UC 10,414
Other-Network UC 31,842
_____
1,066,503
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.8
Standard deviation in seconds 6.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.1
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:20
Average session length (minutes:seconds) 15:02
Longest session recorded (minutes:seconds) 176:56
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 595.3
Retrievals per search - standard deviation 5516.6
Percent of searches completed with 0 results 26.2%
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 53,283 14.4%
PRESENT 293,029 79.2%
INIT or CLOSE 23,435 6.3%
OTHER 360 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 24,388 34.1% 5,195 21.3% 14 219.6 3227.5
TITLE WORD 27,105 37.9% 7,818 28.8% 13 773.5 5927.3
EXACT TITLE 786 1.1% 402 51.1% 1 75.5 612.0
JOURNAL 4,443 6.2% 1,787 40.2% 14 2695.2 15958.9
EXACT JOURNAL 2,177 3.0% 747 34.3% 846 4417.6 10236.8
DATE 2,341 3.3% 598 25.5% 8 175.5 1188.1
ADDED SINCE 4,806 6.7% 3,716 77.3% 2 9.1 24.6
SUBFILE 417 0.6% 169 40.5% 21 310.5 1395.8
LANGUAGE 1,070 1.5% 295 27.6% 13 385.4 4741.0
SUBJECT CATEGORY 481 0.7% 176 36.6% 12 280.0 2408.1
PUB TYPE 411 0.6% 90 21.9% 26 829.1 11707.6
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 3,069 4.3% 869 28.3% 20 903.7 4638.4
Other indexes 42 0.1% 31 73.8% 12 97.6 179.0
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 14,715 27.6% 6,326 43.0% 6 426.8 5275.7
Single 38,568 72.4% 7,629 19.8% 24 909.5 6678.2
PRESENT commands, by type:
MARC 60.3%
OPAC 27.4%
SCCmm/dd srv.cc MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS (we