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Posted to server-dev@james.apache.org by Ioan Eugen Stan <st...@gmail.com> on 2011/08/08 15:26:02 UTC
hbase-mailbox alpha release
Hello,
It's your favorite GSoC student that wishes to make the following announce:
hbase-mailbox implementation is feature complete and has entered Alpha
release (tag 0.3-alpha in the mercurial repository at [1]).
I also wish to humbly ask for links to add integration tests to where
the bugs are.
The next days I will try to add unit tests for most/all of the
methods, hunt for bugs, improve documentation, code refactoring, and
eliminate all TODOs.I will be asking for a code review after this
period is over.
After this phase is finished, I'm planning a real life test.
[1] http://code.google.com/a/apache-extras.org/p/mailbox-hdfs/source/browse/?name=0.3-alpha
Regards,
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Ioan Eugen Stan
http://ieugen.blogspot.com/
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Re: hbase-mailbox alpha release
Posted by Norman Maurer <no...@googlemail.com>.
Hi Ioan,
any success with the integration tests yet ?
bye
norman
Am Samstag, 13. August 2011 schrieb Eric Charles <er...@apache.org>:
> Hi Ioan,
>
> I've hg pull/update, and compile/test works fine here. Good ;)
>
> I didn't review the code, but integration tests will tell you if you are
missing something. How is it going?
>
> You could also add in the tests:
> HBaseMailboxManagerTest extends AbstractMailboxManagerTest
> HBaseSubscriptionManagerTest extends AbstractSubscriptionManagerTest
>
> There are a few methods in the abstracts that can be reused for free as
additional tests.
>
> Good to have some documentation. You can put them (with source file if you
use an open source tool) in src/site/resources/images for example.
>
> Thx.
>
> On 10/08/11 14:28, Ioan Eugen Stan wrote:
>>
>> Hello,
>>
>> Thanks to Norman's help, I have started on the integration tests. I
>> also started on a Schema diagram as a MindMap. It is a work in
>> progress but you can see
>> a preview here [1].
>>
>> Bye,
>>
>> [1]
http://mailbox-hdfs.apache-extras.org.codespot.com/files/James%20HBase%20Mailbox%20Schema.png
>
>
> --
> Eric Charles
> http://about.echarles.net
>
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>
Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
2011/8/13 Eric Charles <er...@apache.org>:
> Hi Ioan,
Hi Eric, nice to hear from you again.
>
> I've hg pull/update, and compile/test works fine here. Good ;)
>
> I didn't review the code, but integration tests will tell you if you are
> missing something. How is it going?
This is also a reply for Norman's mail: Integration tests will be
ready by Monday. I didn't took time to implement them yet.
>
> You could also add in the tests:
> HBaseMailboxManagerTest extends AbstractMailboxManagerTest
> HBaseSubscriptionManagerTest extends AbstractSubscriptionManagerTest
They already do that, except I extend MailboxManagerTest instead of
AbstractMailboxManagerTest which doesn't seem to exist. And they pass.
> There are a few methods in the abstracts that can be reused for free as
> additional tests.
>
> Good to have some documentation. You can put them (with source file if you
> use an open source tool) in src/site/resources/images for example.
The Schema is designed with FreePlane (A MindMap tool written in
Java). The source is not committed yet, but it's there and it's text.
Images will also be available as svg and png. I hope they will be
available on the website as well.
Talk more on Monday. Have a great week-end everybody.
Good luck,
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Ioan Eugen Stan
http://ieugen.blogspot.com/
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Re: hbase-mailbox alpha release
Posted by Eric Charles <er...@apache.org>.
Hi Ioan,
I've hg pull/update, and compile/test works fine here. Good ;)
I didn't review the code, but integration tests will tell you if you are
missing something. How is it going?
You could also add in the tests:
HBaseMailboxManagerTest extends AbstractMailboxManagerTest
HBaseSubscriptionManagerTest extends AbstractSubscriptionManagerTest
There are a few methods in the abstracts that can be reused for free as
additional tests.
Good to have some documentation. You can put them (with source file if
you use an open source tool) in src/site/resources/images for example.
Thx.
On 10/08/11 14:28, Ioan Eugen Stan wrote:
> Hello,
>
> Thanks to Norman's help, I have started on the integration tests. I
> also started on a Schema diagram as a MindMap. It is a work in
> progress but you can see
> a preview here [1].
>
> Bye,
>
> [1] http://mailbox-hdfs.apache-extras.org.codespot.com/files/James%20HBase%20Mailbox%20Schema.png
--
Eric Charles
http://about.echarles.net
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Re: hbase-mailbox alpha release
Posted by Robert Burrell Donkin <ro...@gmail.com>.
On Fri, Aug 19, 2011 at 2:20 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
> Hello again,
>
> I ran the whole test suite again, to test my new 4GB RAM that I got
> just for this. Currently the tests are looking like this:
>
> Tests run: 291, Failures: 0, Errors: 113, Skipped: 0
> That's a little over 61% test pass. I expect to pass all tests by
> tonight. Code is not committed yet.
:-)
Robert
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
Hello again,
I ran the whole test suite again, to test my new 4GB RAM that I got
just for this. Currently the tests are looking like this:
Tests run: 291, Failures: 0, Errors: 113, Skipped: 0
That's a little over 61% test pass. I expect to pass all tests by
tonight. Code is not committed yet.
Bye, and stay tuned.
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
2011/8/17 Eric Charles <er...@apache.org>:
> On 17/08/11 18:39, Ioan Eugen Stan wrote:
>>
>> 2011/8/17 Eric Charles<er...@apache.org>:
>>>
>>> Sure. Optimization is for later.
>>> (just to be sure, the limitation is on the 'column family', not on the
>>> 'column')
>>
>> Yes, I am aware, thanks for reminding.
>>
>>> Just tell us if you need help to progress on the integration tests.
>>> Maybe you could have more unit tests that will help you assess the
>>> functionality is correctly implemented: e.g. save two messages, count
>>> must
>>> return 2.
>>
>> Well, today I spent a lot of time in figuring out what's wrong, and I
>> think I will get to reduce the number of columns faster then
>> anticipated, because I have to make some changes to the design (I'm
>> missing some things - like updating user flags is not done right). I
>> also have a bug in storing properties (I use ":" as a separator, and I
>> shouldn't).
>>
>
> don't know if it's related, but hbase uses a syntax like cf:column.
I don't think it matters, i think it's just for HBase internal
addressing. The thing is that I store namespace and name of the
property as a column name, separated by ":". and supply value as the
value of the column. I noticed from the scripts, (also in HBase
cluster.) that the property namespace is an URI and it has the colon
in it, so I will have to change the design. Probably I will store them
all like they are in JPA.
>> I could use some help in learning what happens when a certain test is
>> run. I think The easiest way is to log all methods from the Mappers,
>> and I will do that.
>> Bonus: I united all the tests to use a single MiniCluster or a full
>> cluster (provided you change the useMiniCluster to false) and supply a
>> configuration on the classpath.
>>
>
> That's really a good think to be able to run the tests against a real
> cluster (even if it a local or pseud-distributed).
> With that, you will be able to see what is really stored instead of relying
> on vaporous in-memory cluster. I adding the hbase-config.xml on the
> classpath and launching a local fresh cluster does the job. To see the
> content of your cluster, I don't know helpy client, except the hbase
> console.
>
Yes, if the cluster is a local instance (not distribuited) you don't
need hbase-site.xml on the classpath. Just HBaseConfiguration.create()
is enough.
I will keep you posted. Tomorrow I will be a bit busy, but I hope I
will get something done.
Bye,
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Re: hbase-mailbox alpha release
Posted by Eric Charles <er...@apache.org>.
On 17/08/11 18:39, Ioan Eugen Stan wrote:
> 2011/8/17 Eric Charles<er...@apache.org>:
>> Sure. Optimization is for later.
>> (just to be sure, the limitation is on the 'column family', not on the
>> 'column')
>
> Yes, I am aware, thanks for reminding.
>
>> Just tell us if you need help to progress on the integration tests.
>> Maybe you could have more unit tests that will help you assess the
>> functionality is correctly implemented: e.g. save two messages, count must
>> return 2.
>
> Well, today I spent a lot of time in figuring out what's wrong, and I
> think I will get to reduce the number of columns faster then
> anticipated, because I have to make some changes to the design (I'm
> missing some things - like updating user flags is not done right). I
> also have a bug in storing properties (I use ":" as a separator, and I
> shouldn't).
>
don't know if it's related, but hbase uses a syntax like cf:column.
> I could use some help in learning what happens when a certain test is
> run. I think The easiest way is to log all methods from the Mappers,
> and I will do that.
> Bonus: I united all the tests to use a single MiniCluster or a full
> cluster (provided you change the useMiniCluster to false) and supply a
> configuration on the classpath.
>
That's really a good think to be able to run the tests against a real
cluster (even if it a local or pseud-distributed).
With that, you will be able to see what is really stored instead of
relying on vaporous in-memory cluster. I adding the hbase-config.xml on
the classpath and launching a local fresh cluster does the job. To see
the content of your cluster, I don't know helpy client, except the hbase
console.
> Bye,
>
--
Eric
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
2011/8/17 Eric Charles <er...@apache.org>:
> Sure. Optimization is for later.
> (just to be sure, the limitation is on the 'column family', not on the
> 'column')
Yes, I am aware, thanks for reminding.
> Just tell us if you need help to progress on the integration tests.
> Maybe you could have more unit tests that will help you assess the
> functionality is correctly implemented: e.g. save two messages, count must
> return 2.
Well, today I spent a lot of time in figuring out what's wrong, and I
think I will get to reduce the number of columns faster then
anticipated, because I have to make some changes to the design (I'm
missing some things - like updating user flags is not done right). I
also have a bug in storing properties (I use ":" as a separator, and I
shouldn't).
I could use some help in learning what happens when a certain test is
run. I think The easiest way is to log all methods from the Mappers,
and I will do that.
Bonus: I united all the tests to use a single MiniCluster or a full
cluster (provided you change the useMiniCluster to false) and supply a
configuration on the classpath.
Bye,
--
Ioan Eugen Stan
http://ieugen.blogspot.com/
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Re: hbase-mailbox alpha release
Posted by Eric Charles <er...@apache.org>.
Sure. Optimization is for later.
(just to be sure, the limitation is on the 'column family', not on the
'column')
Just tell us if you need help to progress on the integration tests.
Maybe you could have more unit tests that will help you assess the
functionality is correctly implemented: e.g. save two messages, count
must return 2.
Thx.
On 17/08/11 16:18, Ioan Eugen Stan wrote:
> 2011/8/17 Eric Charles<er...@apache.org>:
>> Hi Ioan,
>>
>> Didn't jump to my eyes reading the code, but schema showed clearly showed
>> it.
>>
>> HBase is known to outperform for with many column families per table
>> (http://hbase.apache.org/book/number.of.cfs.html), and you are using 5
>> column families in the Messages table.
>>
>> I remind from HBase mailing list, max 2 column families per table, and even
>> 1 if there is no strong reason for more.
>
> I know. I have a TODO for reducing the number of column. It's in
> HBaseSessionMapper. I can reduce the Messages table to 3 columns easy,
> probably 2 if I scratch my head, but I want to pass the integration
> tests before I get serious with performance issues.
>
> I think I'm making some progress here, but it's kind of slow.
>
--
Eric
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
2011/8/17 Eric Charles <er...@apache.org>:
> Hi Ioan,
>
> Didn't jump to my eyes reading the code, but schema showed clearly showed
> it.
>
> HBase is known to outperform for with many column families per table
> (http://hbase.apache.org/book/number.of.cfs.html), and you are using 5
> column families in the Messages table.
>
> I remind from HBase mailing list, max 2 column families per table, and even
> 1 if there is no strong reason for more.
I know. I have a TODO for reducing the number of column. It's in
HBaseSessionMapper. I can reduce the Messages table to 3 columns easy,
probably 2 if I scratch my head, but I want to pass the integration
tests before I get serious with performance issues.
I think I'm making some progress here, but it's kind of slow.
--
Ioan Eugen Stan
http://ieugen.blogspot.com/
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Re: hbase-mailbox alpha release
Posted by Eric Charles <er...@apache.org>.
Hi Ioan,
Didn't jump to my eyes reading the code, but schema showed clearly
showed it.
HBase is known to outperform for with many column families per table
(http://hbase.apache.org/book/number.of.cfs.html), and you are using 5
column families in the Messages table.
I remind from HBase mailing list, max 2 column families per table, and
even 1 if there is no strong reason for more.
Thx.
On 10/08/11 14:28, Ioan Eugen Stan wrote:
> Hello,
>
> Thanks to Norman's help, I have started on the integration tests. I
> also started on a Schema diagram as a MindMap. It is a work in
> progress but you can see
> a preview here [1].
>
> Bye,
>
> [1] http://mailbox-hdfs.apache-extras.org.codespot.com/files/James%20HBase%20Mailbox%20Schema.png
--
Eric
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
Hello,
Thanks to Norman's help, I have started on the integration tests. I
also started on a Schema diagram as a MindMap. It is a work in
progress but you can see
a preview here [1].
Bye,
[1] http://mailbox-hdfs.apache-extras.org.codespot.com/files/James%20HBase%20Mailbox%20Schema.png
--
Ioan Eugen Stan
http://ieugen.blogspot.com/
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
>
> Unfortunately, save is not done yet. It seems to use a lot of memory.
> If I eliminate save() by returning SimpleMessageMetadate from the
> start, the test is green so the problem lies here.
Scratch that. I ran the tests again from the console, without NetBeans
so my machine performed much better because it did not get into swap
space.
Bye,
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
2011/8/9 Robert Burrell Donkin <ro...@gmail.com>:
> On Tue, Aug 9, 2011 at 3:17 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
>> 2011/8/9 Robert Burrell Donkin <ro...@gmail.com>:
>>> On Mon, Aug 8, 2011 at 9:57 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
>>>> I fixed the exception in the test (forgot to update it when I made the
>>>> change). I also fixed some other issues.
>>>> Now all tests should pass, except for HBaseMailboxManager which runs
>>>> indefinitely. I tried to profile the test case in NetBeans but failed.
>>>> I have an idea of what's going on, but not being able to profile the
>>>> application will probably take more time.
>>>
>>> One tactic I sometimes use with type of problem is to add more
>>> specific tests. Another is to selectively dummy.
>>
>> I have tracked down the problem. It is in HBaseMailboxMapper.save() method. [1].
>> I have put some System.out.print statements to see what happens and it
>> seems that reading from the InputStream blocks.
>> This is strange. I will try to see what is causing this. Do the
>> messages created in the test suite have content equal to the size?
>>
>> while ((b = message.getBodyContent().read()) != -1) {
>> out.write(b);
>> }
>> out.close();
>> out = new
>> ChunkOutputStream(sessionMapperFactory.getClusterConfiguration(),
>> MESSAGES_TABLE, MESSAGE_DATA_HEADERS,
>> messageRowKey(message), MAX_COLUMN_SIZE);
>> while ((b = message.getHeaderContent().read()) != -1) {
>> out.write(b);
>> }
>
> I've just had a hard power failure and I'm recovering my main
> development box now :-/
>
> It might be tomorrow before I can get back to you but hopefully
> someone else will be able to jump in before then...
>
> Robert
I hope everything will be ok. Regarding the above problem, it's
solved: I moved message.get*Content outside the wile loop so I will
keep only one reference and read from that stream. I also used a
BufferedInputStream to speed up thing.
Unfortunately, save is not done yet. It seems to use a lot of memory.
If I eliminate save() by returning SimpleMessageMetadate from the
start, the test is green so the problem lies here.
I will keep you posted. Good luck with the recovery process.
Bye,
--
Ioan Eugen Stan
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Re: hbase-mailbox alpha release
Posted by Robert Burrell Donkin <ro...@gmail.com>.
On Tue, Aug 9, 2011 at 3:17 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
> 2011/8/9 Robert Burrell Donkin <ro...@gmail.com>:
>> On Mon, Aug 8, 2011 at 9:57 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
>>> I fixed the exception in the test (forgot to update it when I made the
>>> change). I also fixed some other issues.
>>> Now all tests should pass, except for HBaseMailboxManager which runs
>>> indefinitely. I tried to profile the test case in NetBeans but failed.
>>> I have an idea of what's going on, but not being able to profile the
>>> application will probably take more time.
>>
>> One tactic I sometimes use with type of problem is to add more
>> specific tests. Another is to selectively dummy.
>
> I have tracked down the problem. It is in HBaseMailboxMapper.save() method. [1].
> I have put some System.out.print statements to see what happens and it
> seems that reading from the InputStream blocks.
> This is strange. I will try to see what is causing this. Do the
> messages created in the test suite have content equal to the size?
>
> while ((b = message.getBodyContent().read()) != -1) {
> out.write(b);
> }
> out.close();
> out = new
> ChunkOutputStream(sessionMapperFactory.getClusterConfiguration(),
> MESSAGES_TABLE, MESSAGE_DATA_HEADERS,
> messageRowKey(message), MAX_COLUMN_SIZE);
> while ((b = message.getHeaderContent().read()) != -1) {
> out.write(b);
> }
I've just had a hard power failure and I'm recovering my main
development box now :-/
It might be tomorrow before I can get back to you but hopefully
someone else will be able to jump in before then...
Robert
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
2011/8/9 Robert Burrell Donkin <ro...@gmail.com>:
> On Mon, Aug 8, 2011 at 9:57 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
>> I fixed the exception in the test (forgot to update it when I made the
>> change). I also fixed some other issues.
>> Now all tests should pass, except for HBaseMailboxManager which runs
>> indefinitely. I tried to profile the test case in NetBeans but failed.
>> I have an idea of what's going on, but not being able to profile the
>> application will probably take more time.
>
> One tactic I sometimes use with type of problem is to add more
> specific tests. Another is to selectively dummy.
I have tracked down the problem. It is in HBaseMailboxMapper.save() method. [1].
I have put some System.out.print statements to see what happens and it
seems that reading from the InputStream blocks.
This is strange. I will try to see what is causing this. Do the
messages created in the test suite have content equal to the size?
while ((b = message.getBodyContent().read()) != -1) {
out.write(b);
}
out.close();
out = new
ChunkOutputStream(sessionMapperFactory.getClusterConfiguration(),
MESSAGES_TABLE, MESSAGE_DATA_HEADERS,
messageRowKey(message), MAX_COLUMN_SIZE);
while ((b = message.getHeaderContent().read()) != -1) {
out.write(b);
}
[1] http://code.google.com/a/apache-extras.org/p/mailbox-hdfs/source/browse/src/main/java/org/apache/james/mailbox/hbase/mail/HBaseMessageMapper.java
Thanks,
--
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Re: hbase-mailbox alpha release
Posted by Robert Burrell Donkin <ro...@gmail.com>.
On Mon, Aug 8, 2011 at 9:57 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
> I fixed the exception in the test (forgot to update it when I made the
> change). I also fixed some other issues.
> Now all tests should pass, except for HBaseMailboxManager which runs
> indefinitely. I tried to profile the test case in NetBeans but failed.
> I have an idea of what's going on, but not being able to profile the
> application will probably take more time.
One tactic I sometimes use with type of problem is to add more
specific tests. Another is to selectively dummy.
Robert
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Re: hbase-mailbox alpha release
Posted by Norman Maurer <no...@apache.org>.
Hi Ioan,
I'm currently very busy so first of sorry for the delay...
I will have a look later today and also provide you with some help to
get the code running in the mailbox integration test. I just need to fix
a few things there first which broke the tests for now. As I added
supported for CONDSTORE / QRESYNC it currently fails to correctly parse
the responses. I will try to fix them today..
Bye,
Norman
Am 08.08.2011 22:57, schrieb Ioan Eugen Stan:
> I fixed the exception in the test (forgot to update it when I made the
> change). I also fixed some other issues.
> Now all tests should pass, except for HBaseMailboxManager which runs
> indefinitely. I tried to profile the test case in NetBeans but failed.
> I have an idea of what's going on, but not being able to profile the
> application will probably take more time.
>
>> With a little bit of luck, if we can build the mailbox and drop it
>> into James then running the IMAP protocol tests should be a reasonable
>> start...
> That was my plan exactly.
>
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
I fixed the exception in the test (forgot to update it when I made the
change). I also fixed some other issues.
Now all tests should pass, except for HBaseMailboxManager which runs
indefinitely. I tried to profile the test case in NetBeans but failed.
I have an idea of what's going on, but not being able to profile the
application will probably take more time.
> With a little bit of luck, if we can build the mailbox and drop it
> into James then running the IMAP protocol tests should be a reasonable
> start...
That was my plan exactly.
--
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Re: hbase-mailbox alpha release
Posted by Robert Burrell Donkin <ro...@gmail.com>.
On Mon, Aug 8, 2011 at 3:58 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
>> Have you tried running the protocol test suite?
>
> Nope, can you give me some tips on how to do it properly?
Not sure (hopefully someone will jump in :-)
With a little bit of luck, if we can build the mailbox and drop it
into James then running the IMAP protocol tests should be a reasonable
start...
Robert
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Re: hbase-mailbox alpha release
Posted by Ioan Eugen Stan <st...@gmail.com>.
> Have you tried running the protocol test suite?
Nope, can you give me some tips on how to do it properly?
Thanks,
--
Ioan Eugen Stan
http://ieugen.blogspot.com/
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Re: hbase-mailbox alpha release
Posted by Robert Burrell Donkin <ro...@gmail.com>.
On Mon, Aug 8, 2011 at 2:26 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
> Hello,
>
> It's your favorite GSoC student that wishes to make the following announce:
>
> hbase-mailbox implementation is feature complete and has entered Alpha
> release (tag 0.3-alpha in the mercurial repository at [1]).
> I also wish to humbly ask for links to add integration tests to where
> the bugs are.
:-)
> The next days I will try to add unit tests for most/all of the
> methods, hunt for bugs, improve documentation, code refactoring, and
> eliminate all TODOs.I will be asking for a code review after this
> period is over.
>
> After this phase is finished, I'm planning a real life test.
Have you tried running the protocol test suite?
Robert
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Re: hbase-mailbox alpha release
Posted by Robert Burrell Donkin <ro...@gmail.com>.
On Mon, Aug 8, 2011 at 2:26 PM, Ioan Eugen Stan <st...@gmail.com> wrote:
> Hello,
>
> It's your favorite GSoC student that wishes to make the following announce:
>
> hbase-mailbox implementation is feature complete and has entered Alpha
> release (tag 0.3-alpha in the mercurial repository at [1]).
<snip>
> [1] http://code.google.com/a/apache-extras.org/p/mailbox-hdfs/source/browse/?name=0.3-alpha
I have some test failures on my machine [2]
Robert
[2] http://code.google.com/a/apache-extras.org/p/mailbox-hdfs/issues/detail?id=1
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