The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".
The following errata were submitted by our customers and approved as valid errors by the author or editor.
| Version |
Location |
Description |
Submitted By |
Date Submitted |
Date Corrected |
| Printed |
Page 10
paragraph 3 |
|
Chuck Newman |
Aug 26, 2009 |
|
| Printed |
Page 11
2nd paragraph |
1st line. "we starting" should be "we started"
|
StephanB |
Feb 18, 2010 |
|
| Printed |
Page 11
line 11 |
a complete redesign to scale up further.
It is a subtle language problem: it should say scale out (to 200 machines) instead of scale up.
|
Gianmarco De Francisci Morales |
Mar 04, 2010 |
|
| Printed |
Page 12
"October 2008" bullet |
"per a day" should be either "per day" or "a day"
|
Chuck Newman |
Aug 26, 2009 |
|
| Printed |
Page 36
In Example 2.12 |
The code shown (Maximum temperature in C++) does not compile as shown on my Ubuntu cluster.
I need to add
#include <stdint.h>
To get rid of an error about uint64_t not being defined in one of the hadoop files. I run hadoop 0.19.2.
|
Dominique Thiebaut |
Apr 13, 2010 |
|
| Printed |
Page 44
between 2nd and 3rd paragraph |
the command should be
% hadoop fsck / -files -blocks
It is currently missing the slash
|
Dominique Thiebaut |
Dec 03, 2009 |
|
| Safari Books Online |
45
1st paragraph |
Misplaced comma:
"However, the state of the secondary namenode lags that of the primary, so in the event of total failure of the primary data, loss is almost guaranteed."
should be
"However, the state of the secondary namenode lags that of the primary, so in the event of total failure of the primary, data loss is almost guaranteed."
|
Vineeth Chandran P |
Dec 01, 2009 |
|
| Printed |
Page 65
Figure 3-2 |
The illustration in Figure 3-2 does not match the description given in the sidebox "Network Topology and Hadoop".
1. For d1/r2, the node is mislabelled as n1 (should be n3)
2. For d2, racks are mislabelled as 'r1' and 'rack' (should be 'r3' and 'r4')
3. For d2/r3, the node is mislabelled as n1 (should be n4)
Note from the Author or Editor:
I agree with all the corrections except for 'rack' which is there to indicate that this entity is a rack, so it doesn't need relabelling 'r4' (since r4 is never referred to in the text). |
KS Chow |
Sep 01, 2009 |
|
| Printed |
Page 140
3rd paragraph |
Paragraph 3, line 5, word 1:
Reference to 'task_200811201130_0054_m_000000' does not exist, it should refer to 'task200904110811_0003_m_000044'.
Note from the Author or Editor:
It should refer to 'task_200904110811_0003_m_000044'. |
kchow8 |
Sep 10, 2009 |
|
| Printed |
Page 146
Table 5-3, row 1, col 2, 1st sentence |
"How long are you mappers running for?"
Should be:
"How long are your mappers running for?"
|
KS Chow |
Sep 18, 2009 |
|
| Printed |
Page 181
6th paragraph |
At the end of the first sentence in the sidebar: "new users to Hadoop.Almost" there is a missing space after the period.
|
Tom White
 |
Sep 11, 2009 |
|
| Printed |
Page 202
1st paragraph under heading "Text Output" |
Heading "Text Output", paragraph 1, line 5, word 3 -> TextOuputFormat
Note from the Author or Editor:
"TextOuputFormat" should read "TextOutputFormat" (it is missing a "t") |
kchow8 |
Sep 27, 2009 |
|
| Printed |
Page 246
"Storage" heading |
"41 TB SATA disks" should read "4 x 1TB SATA disks"
|
Tom White
|
Sep 11, 2009 |
|
| Printed |
Page 255
2nd paragraph after Table 9-2 |
Excerpt: "...wanted to run 2 processes on each processor, then you should set mapred.tasktracker.map.tasks.maximum and mapred.tasktracker.map.tasks.maximum to both be 7..."
The second reference to mapred.tasktracker.map.tasks.maximum is incorrect, it should be mapred.tasktracker.reduce.tasks.maximum.
|
kchow8 |
Nov 17, 2009 |
|
| Printed |
Page 268
middle of page |
In the sentence " and each map generates(approximately) 10GB of random
binary data, " The "10GB" should be "1GB".
|
Anonymous |
Nov 30, 2011 |
|
| Printed |
Page 269
last but one para |
"that make is easy" should be "that makes it easy"
|
Sandeep Deshmukh |
Oct 06, 2010 |
|
| Printed |
Page 298
4th paragraph |
The directory hierarchy is misaligned.
The line consisting of "/previous/VERSION" should have its first "/" character vertically aligned with the first "/" of "${dfs.name.dir}/current/VERSION".
The first "/" character of each of the following lines ("/edits", "/fsimage", "/fstime") should align with the second "/" of "/previous/VERSION".
|
Tom White
|
Sep 11, 2009 |
|
| Printed |
Page 350
footnote |
hbase org.apache.hadoop.hbase.PerformanceEvaluation sequentialWriter 1
should be
hbase org.apache.hadoop.hbase.PerformanceEvaluation sequentialWrite 1
(no 'r' at the end of sequentialWrite)
|
Douglas Wind |
Mar 11, 2010 |
|
| Printed |
Page 412
Table 14-9 |
Table 14-9, 3rd row (223), 1st col (#listeners): 2
Should be 1.
|
kchow8 |
Dec 01, 2009 |
|
| Printed |
Page 454
Bullet 2 and 3 for Example 14-2 |
Description for bullet item 2 and 3 don't seem to match the code listing in Example 14-2. Bullet item 2 seems to refer to label 3 and bullet item 3 seems to refer to label 2.
|
kchow8 |
Dec 08, 2009 |
|
| Printed |
Page 503
1st paragraph |
Sentence ending "Leeds, UK" is missing a period.
|
Tom White
|
Sep 11, 2009 |
|
