Congratulations and welcome Guanghao！
发件人: saint@gmail.com 代表 Stack
发送时间: 2016年12月21日 2:01
收件人: HBase Dev List
抄送: hbase-user
主题: Re: [ANNOUNCE] New HBase committer Guanghao Zhang
Welcome Guanghao!
St.Ack
On Mon, Dec 19, 2016 at 5:37 PM, Duo Zhang w
Congratulations, Duo.
发件人: Ted Yu
发送时间: 2016年9月7日 12:31
收件人: user@hbase.apache.org
抄送: HBase Dev List
主题: Re: [ANNOUNCE] Duo Zhang (张铎) joins the Apache HBase PMC
Congratulations, Duo.
> On Sep 6, 2016, at 9:26 PM, Stack wrote:
>
> On behalf of the Apach
The same symptom as HBase-10499?
I still (highly)suspect that there is something wrong with the flush queue(some
entry pushed into it can't be poll out).
发件人: sunweiwei [su...@asiainfo-linkage.com]
发送时间: 2014年6月3日 15:43
收件人: user@hbase.apache.org
主题: for
Seems those regions are not offlined(unassigned) explicitly from their serving
regionservers, can you restart HBase or those regionservers and check again?
It sounds not a clean and recommended way to remove data/region like this, why
not just delete the table? Or you just can be sure the old da
made configurable.
发件人: Manthosh Kumar T [manth...@gmail.com]
发送时间: 2014年4月4日 16:11
收件人: user@hbase.apache.org
主题: Re: 答复: HBase Replication - Addition alone
Is it possible by any other meansin HBase?
On 4 April 2014 13:37, 冯宏华 wrote:
No
发件人: Manthosh Kumar T [manth...@gmail.com]
发送时间: 2014年4月4日 16:00
收件人: user@hbase.apache.org
主题: HBase Replication - Addition alone
Hi All,
In a master-slave replication, is it possible to replicate only
the addition of rows?. If I delete in the
your understanding of batch is correct, multiple put() and get() against a same
region in a single batch() operation will be executed as multiple sub steps,
all operations on the same region are iterated one by one, the get() will be
executed immediately and serially, while the put() will be acc
: Re: 答复: Detailed description of Zookeeper's role in Hbase system
Hi,
I have overview of the functionality offered by zookeeper , i wanted to
know in detail how zookeeper helps in achieving it.
On Tue, Mar 11, 2014 at 12:50 PM, 冯宏华 wrote:
> A rough answer to this question (not nec
A rough answer to this question (not necessarily comprehensive)
1. store root region's location
2. help select active master
3. help monitor regionservers' health
4. help table tasks such creating/deleting/enabling/disabling
5. help region-in-transition tasks such as assign/unassign
nce its split ?
On Tue, Mar 4, 2014 at 8:07 PM, 冯宏华 wrote:
> New regionserver will be assigned regions moved out from other
> regionserver by balance, and there are some reasons why balance doesn't
> happen immediately after the regionserver is added to cluster:
>
> 1. ba
New regionserver will be assigned regions moved out from other regionserver by
balance, and there are some reasons why balance doesn't happen immediately
after the regionserver is added to cluster:
1. balance isn't enabled
2. balance interval not elapses (balance is triggered once every 5 minute
128M
发件人: Upendra Yadav [upendra1...@gmail.com]
发送时间: 2014年3月3日 19:20
收件人: user@hbase.apache.org
主题: what is the default size of each Column family memstore
Hi
what is the default size of each Column family memstore
bq. I haven't set the number of the regions my self at the beginning.
If no pre-split, there is only one region for each table from the beginning, so
all the writes go to this single region...very possible to incur
SocketTimeoutException(0.94) or RegionTooBusyException(0.96+).
You can pre-spli
btw: Any chance to provide the log of the regionserver that serves the
problematic region for which RegionTooBusyException is thrown?
(hbase-0.96.1.1), thanks
发件人: shapoor [esmaili_...@yahoo.com]
发送时间: 2014年2月26日 18:30
收件人: user@hbase.apache.org
主题: Re: 答复
0.94 doesn't throws RegionTooBusyException when memstore exceeds
blockingMemstore...it waits in regionserver, that's why you gets
TimeoutException from client side. Nicolas has said this in above mail.
Maybe you can try some actions suggested in above mails such as split out more
regions to bal
Would you please provide the log of the region server serving the 'busy' region
:
regionName=test-table,doc-id-843162,1393341942533.8477b42b33d2fe9abb2b25a4e5e94b24.
? HBASE-10499 is an issue where a problematic region continuously throws out
RegionTooBusyException due to the fact that it's nev
seems such theme(encode timestamp in rowKey) works only for newly put rows, but
not for updated rows, since updated timestamp can't reflect in existing
timestamp part of the rowkey. right?
no direct efficient way to achieve William's request for finding the latest
updated (put new row, or updat
No fast way to get the count of records of a table without scanning and
counting, especially when you want to get the accurate count. By design the
data/cells of a same record/row can scatter in many different HFiles and
memstore, so even we can record the count of records of each HFile as meta
seems no very simple way to do this. not sure if close/unassign regions
gradually via script before dropping can help a little.
the pain derives from current master assignment design which relies on ZK to
track the assign/split progress/status, and for creating/dropping/restarting
tables with v
le of deletion. Thanks for
your explanation.
2013/6/12 冯宏华
> hi, Kyle
>
> This is NOT a bug. There are three types of delete: Delete, DeleteColumn,
> DeleteFamily; Delete is actually DeleteCell which can only mask(delete) a
> cell with exactly the SAME timestamp, in your
hi, Kyle
This is NOT a bug. There are three types of delete: Delete, DeleteColumn,
DeleteFamily; Delete is actually DeleteCell which can only mask(delete) a cell
with exactly the SAME timestamp, in your below case, "* Row1
column=cf:c2, timestamp=1370935373545, ty
according to "http://hbase.apache.org/book.html#number.of.cfs"; - "6.3.2.1.
Column Families" : Try to keep the ColumnFamily names as small as possible,
preferably one character (e.g. "d" for data/default).
发件人: Ramasubramanian Narayanan [ramasubramanian.na
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