Hello,I have got logs and error. So what I got from log was (part of it since
it goes all same):2013-07-12 06:33:35.674 [error] <0.1048.0> gen_server
<0.1048.0> terminated with reason: no match of right hand value
{error,{db_write,"IO error:
./data/anti_entropy/639406966332270026714112114313373821099470487552/000003.log:
Cannot allocate memory"}} in hashtree:flush_buffer/1 line 3022013-07-12
06:33:35.683 [error] <0.1048.0> CRASH REPORT Process <0.1048.0> with 0
neighbours exited with reason: no match of right hand value
{error,{db_write,"IO error:
./data/anti_entropy/639406966332270026714112114313373821099470487552/000003.log:
Cannot allocate memory"}} in hashtree:flush_buffer/1 line 302 in
gen_server:terminate/6 line 7472013-07-12 06:33:35.688 [error] <0.28642.0>
CRASH REPORT Process <0.28642.0> with 0 neighbours exited with reason: no match
of right hand value {error,{db_open,"IO error: lock
./data/anti_entropy/639406966332270026714112114313373821099470487552/LOCK:
Resource temporarily unavailable"}} in hashtree:new_segment_store/2 line 499 in
gen_server:init_it/6 line 3282013-07-12 06:33:36.150 [error] <0.968.0>
gen_server <0.968.0> terminated with reason: no match of right hand value
{error,{db_write,"IO error:
./data/anti_entropy/525227150915793236229449236757414210188850757632/000003.log:
Cannot allocate memory"}} in hashtree:flush_buffer/1 line 3022013-07-12
06:33:36.158 [error] <0.968.0> CRASH REPORT Process <0.968.0> with 0 neighbours
exited with reason: no match of right hand value {error,{db_write,"IO error:
./data/anti_entropy/525227150915793236229449236757414210188850757632/000003.log:
Cannot allocate memory"}} in hashtree:flush_buffer/1 line 302 in
gen_server:terminate/6 line 7472013-07-12 06:33:36.164 [error] <0.29013.0>
CRASH REPORT Process <0.29013.0> with 0 neighbours exited with reason: no match
of right hand value {error,{db_open,"IO error: lock
./data/anti_entropy/525227150915793236229449236757414210188850757632/LOCK:
Resource temporarily unavailable"}} in hashtree:new_segment_store/2 line 499 in
gen_server:init_it/6 line 3282013-07-12 06:33:36.261 [error] <0.1436.0>
gen_server <0.1436.0> terminated with reason: no match of right hand value
{error,{db_write,"IO error:
./data/anti_entropy/1187470080331358621040493926581979953470445191168/000003.log:
Cannot allocate memory"}} in hashtree:flush_buffer/1 line 3022013-07-12
06:33:36.268 [error] <0.1436.0> CRASH REPORT Process <0.1436.0> with 0
neighbours exited with reason: no match of right hand value
{error,{db_write,"IO error:
./data/anti_entropy/1187470080331358621040493926581979953470445191168/000003.log:
Cannot allocate memory"}} in hashtree:flush_buffer/1 line 302 in
gen_server:terminate/6 line 7472013-07-12 06:33:36.317 [error] <0.29134.0>
CRASH REPORT Process <0.29134.0> with 0 neighbours exited with reason: no match
of right hand value {error,{db_open,"IO error: lock
./data/anti_entropy/1187470080331358621040493926581979953470445191168/LOCK:
Resource temporarily unavailable"}} in hashtree:new_segment_store/2 line 499 in
gen_server:init_it/6 line 3282013-07-12 06:33:36.878 [error] <0.29259.0> CRASH
REPORT Process <0.29259.0> with 0 neighbours exited with reason: no match of
right hand value {error,{db_open,"IO error:
./data/anti_entropy/890602560248518965780370444936484965102833893376/000004.dbtmp:
Cannot allocate memory"}} in hashtree:new_segment_store/2 line 499 in
gen_server:init_it/6 line 3282013-07-12 06:33:37.024 [error] <0.29263.0> CRASH
REPORT Process <0.29263.0> with 0 neighbours exited with reason: no match of
right hand value {error,{db_open,"IO error:
./data/anti_entropy/159851741583067506678528028578343455274867621888/000004.dbtmp:
Cannot allocate memory"}} in hashtree:new_segment_store/2 line 499 in
gen_server:init_it/6 line 3282013-07-12 06:33:37.041 [error] <0.29260.0> CRASH
REPORT Process <0.29260.0> with 0 neighbours exited with reason: no match of
right hand value {error,{db_open,"IO error:
./data/anti_entropy/867766597165223607683437869425293042920709947392/000004.dbtmp:
Cannot allocate memory"}} in hashtree:new_segment_store/2 line 499 in
gen_server:init_it/6 line 3282013-07-12 06:33:37.095 [error] <0.29265.0> CRASH
REPORT Process <0.29265.0> with 0 neighbours exited with reason: no match of
right hand value {error,{db_open,"IO error:
./data/anti_entropy/639406966332270026714112114313373821099470487552/000004.dbtmp:
Cannot allocate memory"}} in hashtree:new_segment_store/2 line 499 in
gen_server:init_it/6 line 328
Exception I get is that:Loading workload...Starting
test.java.net.SocketTimeoutException: Read timed out at
java.net.SocketInputStream.socketRead0(Native Method) at
java.net.SocketInputStream.read(SocketInputStream.java:150) at
java.net.SocketInputStream.read(SocketInputStream.java:121) at
java.io.BufferedInputStream.fill(BufferedInputStream.java:235) at
java.io.BufferedInputStream.read(BufferedInputStream.java:254) at
java.io.DataInputStream.readInt(DataInputStream.java:387) at
com.basho.riak.pbc.RiakConnection.receive(RiakConnection.java:110) at
com.basho.riak.pbc.RiakClient.store(RiakClient.java:581) at
com.basho.riak.client.raw.pbc.PBClientAdapter.store(PBClientAdapter.java:177)
at
com.basho.riak.client.raw.pbc.PBClientAdapter.store(PBClientAdapter.java:197)
at com.basho.riak.client.raw.ClusterClient.store(ClusterClient.java:139)
at com.yahoo.ycsb.db.RiakClient13.insert(RiakClient13.java:184) at
com.yahoo.ycsb.DBWrapper.insert(DBWrapper.java:148) at
com.yahoo.ycsb.workloads.CoreWorkload.doInsert(CoreWorkload.java:461) at
com.yahoo.ycsb.ClientThread.run(Client.java:269)Any ideas?
Regards, Veronika
Date: Fri, 12 Jul 2013 11:31:36 -0400
Subject: Re: Riak 1.3 YCSB Read Time Out
From: [email protected]
To: [email protected]
CC: [email protected]
Hello Veronika -
We're actively working on the YCSB project located at [0]. It should work
fine with Riak 1.4. Since the existing implementation of YCSB is a
work-in-progress, you can't trust any results it gives you until we get it
merged upstream with the official YCSB repo. I'm not sure what's causing the
"Read timed Out" exception, can you provide any logs?
Cheers -Dave
[0] https://github.com/basho-labs/YCSB
On Fri, Jul 12, 2013 at 11:23 AM, Nika Abramova <[email protected]> wrote:
Thank you for reply. Of course I can try new version but will I be able to run
YCSB for 1.3 over 1.4? This is my concern. What is the minimal RAM required for
Riak to work correctly? I mean, what I am doing is inserting 100.000 records at
once.
Regards, Veronika
Date: Fri, 12 Jul 2013 16:07:23 +0100
From: [email protected]
To: [email protected]
Subject: Re: Riak 1.3 YCSB Read Time Out
Hi Veronika,
Riak 1.4.0 was released yesterday, with the new streaming features
nodes will stream keys to you instead of working with the whole
result in memory, which will probably avoid the timeout.
Though your RAM and specially using a VM could be a limiting factor,
still worthy a try.
Once your node is up type riak-admin diag and see if some parameters
need to be adjusted.
For more information on tuning:
http://docs.basho.com/riak/latest/cookbooks/Linux-Performance-Tuning/
HTH,
Guido.
On 12/07/13 14:58, Nika Abramova wrote:
Greetings,
I am currently testing different NoSQL databases and now I
was starting Riak. I downloaded and installed Riak 1.3 and was
executing YCSB over it. But after some time (40 sec) of
loading data, I got "Read timed Out" exception.
How can I solve it? I am working locally, on same machine
so my connection is to localhost. Is that lack of RAM that
causing that? Since I am using VM and I only have 2GB RAM for
it. Or it is something else I can configure?
Regards, Veronika
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