MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/01 through 11/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 8,586 117,852
2-4 a.m. 4,656 64,240
4-6 a.m. 4,941 50,471
6-8 a.m. 9,259 90,781
8-10 a.m. 25,095 338,630
10-12 a.m. 39,671 667,237
12-2 p.m. 43,141 701,415
2-4 p.m. 46,573 827,471
4-6 p.m. 36,727 565,224
6-8 p.m. 19,401 321,259
8-10 p.m. 14,443 261,225
10-12 p.m. 12,803 199,789
__________ _____________ _________________
Total: 265,296 4,205,594
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 27
Davis 9
Irvine 358
Los Angeles 5
Riverside 1
San Diego 5
San Francisco 7
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 4
Lawrence Livermore 4
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 205,269
Other-Network UC 59,606
_____
265,296
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 222
Davis 103
Irvine 819
Los Angeles 3
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 5
Lawrence Berkeley 52
Lawrence Livermore 17
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 4,082,212
Other-Network UC 122,160
_____
4,205,594
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 2.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:07
Average session length (minutes:seconds) 16:22
Longest session recorded (minutes:seconds) 331:37
Average number of searches completed per session 16581
Retrievals per search - median 1.0
Retrievals per search - average 70.8
Retrievals per search - standard deviation 992.9
Percent of searches completed with 0 results 39.2%
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 265,296 20.4%
PRESENT 874,674 67.4%
INIT or CLOSE 157,029 12.1%
OTHER 367 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 TITLE108734 35.8% 44,197 40.6% 5 196.4 1675.4
EXACT PE TITLE 54,839 18.1% 13,566 24.7% 2 46.0 1121.8
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 6,528 2.2% 5,970 91.4% 3 73.1 947.3
CORP AUTHOR 12,354 4.1% 10,772 87.2% 6 143.6 842.9
EXACT CORP AUTH 612 0.2% 240 39.2% 9 223.2 1186.8
SUBJECT 27,334 9.0% 17,149 62.7% 12 315.5 1321.3
EXACT SUBJECT 2,205 0.7% 779 35.3% 8 436.9 2170.4
SERIES 266 0.1% 222 83.5% 12 230.4 610.9
EXACT SERIES 47 0.0% 24 51.1% 12 102.6 333.9
CODEN 78 0.0% 33 42.3% 1 1.3 0.6
ISBN 12,528 4.1% 12,525 100% 1 254.0 438.2
LCCN 3,102 1.0% 2,963 95.5% 1 1.2 0.5
ISSN 45,186 14.9% 3,179 7.0% 1 1.7 10.7
INDEXED BY 23 0.0% 22 95.6% 547 547.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 345 0.1% 344 99.7% 10 10.0 0.0
GOV'T DOC NUM 32 0.0% 30 93.8% 27 27.0 36.8
REPORT NUM 7 0.0% 7 100% 0 0.0 0.0
STOCK NUM 11 0.0% 10 90.9% 16 16.0 0.0
GPO ITEM NUM 4 0.0% 4 100% 0 0.0 0.0
AT 28,605 9.4% 8,716 30.5% 2 49.9 333.8
RPE 427 0.1% 298 69.8% 7 233.9 918.1
RXPE 99 0.0% 66 66.7% 3 83.3 291.4
Other indexes 183 0.1% 112 61.2% 44 1200.2 4227.9
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 37,231 14.0% 16,284 43.7% 2 51.7 377.6
Single 228,065 86.0% 87,760 38.5% 2 126.1 1355.0
PRESENT commands, by type:
MARC 31.3%
OPAC 21.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)