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Lars Francke commented on HBASE-4608:
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This seems to be missing documentation, no?
Sh
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Hudson commented on HBASE-4608:
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Integrated in HBase-TRUNK-security #139 (See
[https://buil
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Hudson commented on HBASE-4608:
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Integrated in HBase-TRUNK #2683 (See
[https://builds.apach
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Li Pi commented on HBASE-4608:
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Woohoo! It's in!
> HLog Compression
> --
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Hudson commented on HBASE-4608:
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Integrated in HBase-0.94 #32 (See
[https://builds.apache.o
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Lars Hofhansl commented on HBASE-4608:
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Yeah! And, yes, time for an RC.
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stack commented on HBASE-4608:
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Now this is in, does that mean we can cut a 0.94RC0?
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stack commented on HBASE-4608:
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I'll commit v30 then.
Thanks all for reviews, etc.
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Zhihong Yu commented on HBASE-4608:
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w.r.t. Lars' comment:
https://issues.apache.org/ji
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Li Pi commented on HBASE-4608:
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On other compression things. I looked into those.
plugging i
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Li Pi commented on HBASE-4608:
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If a dictionary file gets cut up, you'll be able to read all
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Li Pi commented on HBASE-4608:
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If a dictionary file gets cut up, you'll be able to read all
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Lars Hofhansl commented on HBASE-4608:
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bq. I'm not wondering if this patch is worth
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Hadoop QA commented on HBASE-4608:
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-1 overall. Here are the results of testing the late
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Zhihong Yu commented on HBASE-4608:
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w.r.t. adding javadoc for offset and length of writ
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jirapos...@reviews.apache.org commented on HBASE-4608:
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bq. On 201
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stack commented on HBASE-4608:
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@Ted Would suggest that in future you not piecemeal in your r
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jirapos...@reviews.apache.org commented on HBASE-4608:
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bq. On 201
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Hadoop QA commented on HBASE-4608:
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-1 overall. Here are the results of testing the late
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Lars Hofhansl commented on HBASE-4608:
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I'm still +1 :)
The lzma number are interest
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jirapos...@reviews.apache.org commented on HBASE-4608:
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stack commented on HBASE-4608:
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Here's some WALs to compared compressed w/ patch v29 vs lzma
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jirapos...@reviews.apache.org commented on HBASE-4608:
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jirapos...@reviews.apache.org commented on HBASE-4608:
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bq. On 201
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jirapos...@reviews.apache.org commented on HBASE-4608:
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bq. On 201
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stack commented on HBASE-4608:
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Li asked me lzma some of my logs from the wild. I did. W/ l
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jirapos...@reviews.apache.org commented on HBASE-4608:
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bq. On 201
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jirapos...@reviews.apache.org commented on HBASE-4608:
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bq. On 201
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jirapos...@reviews.apache.org commented on HBASE-4608:
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bq. On 201
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Zhihong Yu commented on HBASE-4608:
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I just thought we should encapsulate LRUDictionary
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jirapos...@reviews.apache.org commented on HBASE-4608:
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Zhihong Yu commented on HBASE-4608:
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bq. we don't compress values yet.
Looks like we hav
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Li Pi commented on HBASE-4608:
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Also, figured out why Ted's benchmarks differed from the rest
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Li Pi commented on HBASE-4608:
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Not that we'd compress a random value well at all anyways.
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Li Pi commented on HBASE-4608:
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That code is just writing the output for the regionname, usin
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Zhihong Yu commented on HBASE-4608:
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bq. HLogKey does not need to know about 'type' of c
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Li Pi commented on HBASE-4608:
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+1 from here.
Agree w/ Stack. Compression can be generalized
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jirapos...@reviews.apache.org commented on HBASE-4608:
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bq. On 201
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jirapos...@reviews.apache.org commented on HBASE-4608:
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Li Pi commented on HBASE-4608:
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@Stack nvm, just read upwards. That's inline with the other r
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Li Pi commented on HBASE-4608:
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@Stack, what ratio's did you achieve?
> HLog
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Hadoop QA commented on HBASE-4608:
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-1 overall. Here are the results of testing the late
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stack commented on HBASE-4608:
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I reran compress, decompress, compress cycle over my 40 odd r
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jirapos...@reviews.apache.org commented on HBASE-4608:
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stack commented on HBASE-4608:
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I like your changes Todd. Nice fixup. Lars, let me post v28
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Todd Lipcon commented on HBASE-4608:
btw, +1 on this new patch after you've double-che
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Lars Hofhansl commented on HBASE-4608:
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@Stack: fair enough. Let's get this one done.
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jirapos...@reviews.apache.org commented on HBASE-4608:
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stack commented on HBASE-4608:
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Lars, I can't upload a patch to someone else's issue. Made a
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stack commented on HBASE-4608:
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@Lars Generalizing the compression done here is out of scope
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Lars Hofhansl commented on HBASE-4608:
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@Ted: The HLog compression we're doing here i
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stack commented on HBASE-4608:
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Can I get a +1 from someone else. Its not a big patch. Shou
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Zhihong Yu commented on HBASE-4608:
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bq. Out of scope for this issue.
This reminds me of
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stack commented on HBASE-4608:
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bq. This would make developing a new compression scheme hard.
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stack commented on HBASE-4608:
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bq. This would make developing a new compression scheme hard.
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Zhihong Yu commented on HBASE-4608:
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I feel the dictionary compression implementation is
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stack commented on HBASE-4608:
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We need facility in wal like we have in hfile for printing st
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stack commented on HBASE-4608:
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I took a random set of 40 logs off our front end and did a cy
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stack commented on HBASE-4608:
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bq. But we don't know if the current dictionary compression A
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Hadoop QA commented on HBASE-4608:
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-1 overall. Here are the results of testing the late
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Zhihong Yu commented on HBASE-4608:
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In HLogKey.java:
{code}
+ * Enables compression.
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Zhihong Yu commented on HBASE-4608:
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bq. and if all else is equal – same API, etc. – the
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stack commented on HBASE-4608:
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bq. It implies that WAL_VERSION is the same as COMPRESSION_VE
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stack commented on HBASE-4608:
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bq. I noticed the size of sv4r25s8%3A60020.1331661889339.deco
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Zhihong Yu commented on HBASE-4608:
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Please wrap long line:
{code}
+ public static fina
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Zhihong Yu commented on HBASE-4608:
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I noticed the size of sv4r25s8%3A60020.133166188933
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Zhihong Yu commented on HBASE-4608:
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The sentence involving COMPRESSION_VERSION was in p
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stack commented on HBASE-4608:
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Here's my compressing, decompressing, compressing again, deco
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stack commented on HBASE-4608:
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Here's my compressing, decompressing, compressing again, deco
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Hadoop QA commented on HBASE-4608:
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-1 overall. Here are the results of testing the late
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stack commented on HBASE-4608:
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bq. What would happen when we have a newer version for WAL_VE
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Zhihong Yu commented on HBASE-4608:
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Minor comments:
For findEntry():
{code}
+ public
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Zhihong Yu commented on HBASE-4608:
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In isWALCompressionEnabled():
{code}
+if (txt =
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Lars Hofhansl commented on HBASE-4608:
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@Stack: I brought HFile into this discussion,
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Zhihong Yu commented on HBASE-4608:
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Since Li Pi has done 90% of coding, I think this JI
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stack commented on HBASE-4608:
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bq. PREFIX_COMPRESSION_V2, first cited by Stack, is a combina
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Zhihong Yu commented on HBASE-4608:
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>From HFileBlock:
{code}
int getMinorVersion() {
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Li Pi commented on HBASE-4608:
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Yo, sorry I can't quite work on this. Finals are finished thi
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Li Pi commented on HBASE-4608:
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Yo, sorry I can't quite work on this. Finals are finished thi
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stack commented on HBASE-4608:
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bq. It is rare that I saw review comments in such tone: conde
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Lars Hofhansl commented on HBASE-4608:
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Just my $0.02 here... I think having a compre
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stack commented on HBASE-4608:
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Let me have a go at it since Li Pi can't finish it just yet.
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Zhihong Yu commented on HBASE-4608:
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>From what can one conclude who owns the issue ? As
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stack commented on HBASE-4608:
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@Ted I think you should resign ownership of this issue. You
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Zhihong Yu commented on HBASE-4608:
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bq. Stop making this more complicated than it need
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Zhihong Yu commented on HBASE-4608:
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Having PREFIX_COMPRESSION_V2 in the future is equiv
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stack commented on HBASE-4608:
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Stop making this more complicated than it need be Ted.
WAL_V
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stack commented on HBASE-4608:
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Stop making this more complicated than it need be Ted.
WAL_V
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Zhihong Yu commented on HBASE-4608:
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We're looking at several metadata fields for versio
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Todd Lipcon commented on HBASE-4608:
bq. First, compression ratio is not good - at lea
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Zhihong Yu commented on HBASE-4608:
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HLog version decision aside, my feeling about the c
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Zhihong Yu commented on HBASE-4608:
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I think we may enhance WAL compression using dictio
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Lars Hofhansl commented on HBASE-4608:
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bq. My question is: would HLog v2 be allowed
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Zhihong Yu commented on HBASE-4608:
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Since WAL compression may be off for the new HLog f
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stack commented on HBASE-4608:
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bq. I can add WAL_VERSION as v2 in the metadata.
Why not as
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Ted Yu commented on HBASE-4608:
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For code specific review, please use https://reviews.apache
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stack commented on HBASE-4608:
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bq. I think WAL_VERSION metadata is orthogonal to compression
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Ted Yu commented on HBASE-4608:
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Uploaded v23 onto review board.
After WAL version metadata
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Ted Yu commented on HBASE-4608:
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bq. Should the Compression class in wal package ...
I only
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Ted Yu commented on HBASE-4608:
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I think WAL_VERSION metadata is orthogonal to compression t
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