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Eshcar Hillel commented on HBASE-20188:
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Hi, [~stack] I noticed you posted some ad
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stack commented on HBASE-20188:
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Profiling log link:
https://docs.google.com/document/d/1
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stack commented on HBASE-20188:
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bq. Please note new patch and benchmarks results are avai
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Duo Zhang commented on HBASE-20188:
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So what should I do here before releasing 2.1.0?
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Eshcar Hillel commented on HBASE-20188:
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Please note new patch and benchmarks resu
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stack commented on HBASE-20188:
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Update. Have been working on perf in background focused o
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huaxiang sun commented on HBASE-20188:
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A minor issue found by cpu profiling during
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stack commented on HBASE-20188:
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Good one [~eshcar] Makes sense.
> [TESTING] Performance
>
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Eshcar Hillel commented on HBASE-20188:
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Thanks Anoop (:
Meanwhile I have opened H
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Anoop Sam John commented on HBASE-20188:
[~eshcar] That is excellent observation
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Eshcar Hillel commented on HBASE-20188:
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Hi, wanted to share some interesting insig
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Sean Busbey commented on HBASE-20188:
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there's a ton of great discussion included in
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stack commented on HBASE-20188:
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Patch on HBASE-20411 removes it.
> [TESTING] Performance
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Anoop Sam John commented on HBASE-20188:
See this one Stack
{code}
public void in
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stack commented on HBASE-20188:
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[~anoop.hbase] There is HBASE-20411 for the Segment lock.
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Anoop Sam John commented on HBASE-20188:
We can have sub tasks for write perf iss
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stack commented on HBASE-20188:
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Make a subissue [~ram_krish] and [~Apache9]? (Thanks for t
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Dave Latham commented on HBASE-20188:
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Bravo, [~ram_krish] and [~Apache9]! Fun to fo
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Duo Zhang commented on HBASE-20188:
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OK, checked the code again, the condition we use i
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ramkrishna.s.vasudevan commented on HBASE-20188:
Exactly. this could happ
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Duo Zhang commented on HBASE-20188:
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{quote}
I did get some more info on the tests. Sin
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ramkrishna.s.vasudevan commented on HBASE-20188:
[~Apache9]
I did get so
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stack commented on HBASE-20188:
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For [~ram_krish], on fastpath scheduler vs no fastpath sch
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Duo Zhang commented on HBASE-20188:
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{quote}
True. As I said give me some time will be
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ramkrishna.s.vasudevan commented on HBASE-20188:
bq.So this is a bug we n
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Duo Zhang commented on HBASE-20188:
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{quote}
For 2.0 comparison between STREAM and PREA
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Duo Zhang commented on HBASE-20188:
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And what I want to say is, by design the switch wi
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Duo Zhang commented on HBASE-20188:
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{quote}
For 2.0 comparison between STREAM and PREA
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ramkrishna.s.vasudevan commented on HBASE-20188:
I am not before system n
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Duo Zhang commented on HBASE-20188:
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And in HBASE-17917, the result shows that the perf
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Duo Zhang commented on HBASE-20188:
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{quote}
But one thing is sure that this pread / st
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ramkrishna.s.vasudevan commented on HBASE-20188:
I did that setMaxResultS
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Duo Zhang commented on HBASE-20188:
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{quote}
In this case there is no offheap cache. It
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ramkrishna.s.vasudevan commented on HBASE-20188:
In this case there is no
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Duo Zhang commented on HBASE-20188:
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One possible reason for the slow down I can imagin
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Duo Zhang commented on HBASE-20188:
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{quote}
A simple full table scan with 10G data ta
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ramkrishna.s.vasudevan commented on HBASE-20188:
Just noting down based o
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stack commented on HBASE-20188:
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I added a few graphs of flush time by size up on
https://
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stack commented on HBASE-20188:
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[~anoop.hbase] Then I should be able to see the 'slower fl
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Anoop Sam John commented on HBASE-20188:
This flush change is visible in 2.0.0 no
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stack commented on HBASE-20188:
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Report comparing flush histories of 1.2.7 vs 2.0.0 with cl
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stack commented on HBASE-20188:
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I tried enabling YCSB clientSideBuffering, see
https://gi
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stack commented on HBASE-20188:
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I added another sheet to the report (Truncate 04/17). It p
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Anoop Sam John commented on HBASE-20188:
PE command
hbase org.apache.hadoop.hbase
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Eshcar Hillel commented on HBASE-20188:
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[~anoop.hbase] can you share the exact com
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Anoop Sam John commented on HBASE-20188:
With PE (batched writes) , 2.0.0 write o
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stack commented on HBASE-20188:
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Chatting with [~ram_krish] and [~anoop.hbase] they remind
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stack commented on HBASE-20188:
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Been distracted (HBASE-20411 and it seems like we do more
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stack commented on HBASE-20188:
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In my YCSB runs, comparing 1.2.7 to 2.0.0 loads, I see tha
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Eshcar Hillel commented on HBASE-20188:
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[~anoop.hbase] can you post the command li
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Anoop Sam John commented on HBASE-20188:
I tried to test the write perf using PE
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Eshcar Hillel commented on HBASE-20188:
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We also ran the same experiments in HDD ma
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Eshcar Hillel commented on HBASE-20188:
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vq. I should add workloadx to the suite of
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stack commented on HBASE-20188:
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[~eshcar] I should add workloadx to the suite of tests I'm
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Eshcar Hillel commented on HBASE-20188:
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And another thing, might be just a distrac
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Eshcar Hillel commented on HBASE-20188:
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re-attaching [^workloadx] from the most re
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Eshcar Hillel commented on HBASE-20188:
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Just to summarize the results again --
We
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ramkrishna.s.vasudevan commented on HBASE-20188:
bq.If it is a long scan
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stack commented on HBASE-20188:
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I see this transition happening in tests, from pread to st
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Duo Zhang commented on HBASE-20188:
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{quote}
Scans in 2.0 are slower because scans are
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Eshcar Hillel commented on HBASE-20188:
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Attaching additional benchmark results whe
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Eshcar Hillel commented on HBASE-20188:
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I attached the results of some additional
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stack commented on HBASE-20188:
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bq. The latest results with 8G cache are also with short c
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Anastasia Braginsky commented on HBASE-20188:
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[~stack], what tool do you use
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Edward Bortnikov commented on HBASE-20188:
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Michael, thanks for all the diligenc
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ramkrishna.s.vasudevan commented on HBASE-20188:
The latest results with
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stack commented on HBASE-20188:
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Added a 5th sheet to our doc. I ran compare of 1.2.7 to 2.
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stack commented on HBASE-20188:
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[~eshcar] I tried it here and seems to run. I don't get yo
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Eshcar Hillel commented on HBASE-20188:
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I am running hbase12 client
This is the co
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stack commented on HBASE-20188:
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Try hbase12 client instead of hbase10 [~eshcar]?
> [TESTI
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Eshcar Hillel commented on HBASE-20188:
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This is the code that initiates {{buffered
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Eshcar Hillel commented on HBASE-20188:
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I am trying to write a new workload that a
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stack commented on HBASE-20188:
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[~ebortnik] Thanks for the question. I fixed the descripti
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stack commented on HBASE-20188:
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[~ram_krish] dfs.client.read.shortcircuit.skip.checksum he
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Edward Bortnikov commented on HBASE-20188:
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[~stack] just making sure we're on t
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stack commented on HBASE-20188:
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[~anastas]
bq. If you are running again can you please als
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stack commented on HBASE-20188:
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I attached my hbase-site.xml, the script I'm using to driv
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Edward Bortnikov commented on HBASE-20188:
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[~eshcar] could you please post your
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stack commented on HBASE-20188:
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[~anastas] and [~eshcar] I tried 0.02. I put the numbers u
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Eshcar Hillel commented on HBASE-20188:
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bq. can you please share how can we switch
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Eshcar Hillel commented on HBASE-20188:
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{quote}Did you use hbase defaults or did y
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Anastasia Braginsky commented on HBASE-20188:
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Thanks [~stack]! If you are ru
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stack commented on HBASE-20188:
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Let me try a run with 0.02 then [~anastas]. If good, will
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Anastasia Braginsky commented on HBASE-20188:
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[~stack],
Great to hear that
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stack commented on HBASE-20188:
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[~eshcar] Did you use hbase defaults or did you change seg
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stack commented on HBASE-20188:
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I added a third sheet name "Short Circuit Reads 25M Run" a
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stack commented on HBASE-20188:
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[~ram_krish] Setting this on the client-side
dfs.domai
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ramkrishna.s.vasudevan commented on HBASE-20188:
What was the config that
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stack commented on HBASE-20188:
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Fixing short-circuit reads config made a big difference to
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stack commented on HBASE-20188:
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Fixing short-circuit reads config made a big difference to
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stack commented on HBASE-20188:
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Thanks [~eshcar].
Short-circuit reads were not enabled pr
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Eshcar Hillel commented on HBASE-20188:
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Attached are the results of evaluations ov
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stack commented on HBASE-20188:
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Thanks [~ram_krish] It helps to have independent observati
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ramkrishna.s.vasudevan commented on HBASE-20188:
The previous results wer
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ramkrishna.s.vasudevan commented on HBASE-20188:
I just reran the experim
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ramkrishna.s.vasudevan commented on HBASE-20188:
bq.None really. Tried wi
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stack commented on HBASE-20188:
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Thanks for taking a look [~huaxiang]
Be aware that the 9.
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huaxiang sun commented on HBASE-20188:
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Hi [~stack], I was looking at tree.txt. The
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stack commented on HBASE-20188:
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I tried enabling FSHLog, the old WAL writer, in place of A
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stack commented on HBASE-20188:
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bq. Any news with the directions you suggested Stack?
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