I have a ignite node which is version 2.6.I use it as a database.It stores
tens of millions data in about 150 tables.Every time I try to reactivate
after restart,it takes very long time.But the cpu is very low.Is there any
way to improve it?
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Hi!
Do you use persistence ? if so, do you have 150 different cahes ? if
that is the case I would think trying to use cache groups would help a
lot if that is possible for you
Mikael
Den 2018-11-21 kl. 09:03, skrev yangjiajun:
I have a ignite node which is version 2.6.I use it as a database
There is a subtle issue with DateTime and SQL [1]
If you always use UTC in Ignite (which you should), the proper thing to do
is:
var igniteCfg = new IgniteConfiguration
{
BinaryConfiguration = new BinaryConfiguration
{
Serializer = new BinaryReflectiveSerializer
{
Force
Yes. I just found out the hard way yesterday by debugging through the
Ignite.Net source code and reached the same understanding. Thank you.
On Wednesday, November 21, 2018, 6:12:16 AM EST, Pavel Tupitsyn
wrote:
There is a subtle issue with DateTime and SQL [1]
If you always use UTC i
If you don't do GetAll() and just do Query(new SqlFieldsQuery...), the
FieldsQueryCursor returned will have the column count and name of your result
set.
Hope this help.
On Tuesday, November 20, 2018, 8:43:22 PM EST, siva
wrote:
Hi,
How to get the field names in select query?
I am u
Hi,
DataStreamer depends on the allowOverwrite flag.
https://apacheignite.readme.io/docs/data-streamers#section-allow-overwrite
The default value is false to get the best performance. But it also means
that metrics will not be updated.
If you set allowOverwrite true then data streamer will work
Hi,
Why did you set rebalance delay to 12? Can you share model with us? Or,
maybe, a simple reproducer? Do you have an affinityKey?
Evgenii
пт, 16 нояб. 2018 г. в 16:05, KR Kumar :
> Hi - I have a application where the writes happens mostly from one node and
> reads/compute happens on all t
Hi,
I think that you face the issue related to the next ticket:
https://gridgain.freshdesk.com/helpdesk/tickets/9049
After destroying of the cache remains some files that contain the
configuration of the cache. But it should be already fixed in the latest
version of Ignite.
However, the files t
Hi,
To use persistence you need to get familiar with the concept of baseline
topology:
https://apacheignite.readme.io/docs/baseline-topology
It basically means, that you need a fixed set of server nodes to store data.
You can config which node will store partitions of a particular cache by
using
Hi,
I think that information about it could be located in node log. Could you
please provide the log of the node where you tries to read the data?
BR,
Andrei
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We deployed Ignite on AWS.We have a single node cluster to begin with. Our
Application is connecting as client.
When I access one of the endpoints of our application, it is being
intercepted by the GridWorker. GridWorker is throwing "Invalid handshake
message" message.
How to disable this GridWor
Hi Andrei,
I have figured this out after several hours of troubleshooting today.
I had the Ignite server process, which hosted the table/cache, running on a
Linux host (CentOS7). On the other hand, I was running the client code on a
Macbook. It seems that the two platform was deserializing the ke
Hi,
If you want to change sql schema after start, you have to use ALTER TABLE
command: https://apacheignite-sql.readme.io/docs/alter-table
Best Regards,
Evgenii
вт, 20 нояб. 2018 г. в 06:37, kcheng.mvp :
> i noticed there is a comment from @slava.koptilin
>
> > I think the problem is to support
Thank you reply very much!
May be I don't address the issue clearly.
here is my steps:
1: keep the server running
2: alter the schema via sql
3: I can query the new add column
4: add the corresponding attribute in pojo and with tag it with
@QuerySqlField.
5: call IgniteCache.put with new version
Actually you can't, because the schema stored in cache configuration is the
old one before adding column.
I've asked a similar question on dev list.
http://apache-ignite-developers.2346864.n4.nabble.com/Schema-in-CacheConfig-is-not-updated-after-DDL-commands-Add-drop-column-Create-drop-index-td38
Thank you very much!
how to handle this case in production?
it's too common to add new attribute to a new cache/pojo attribute.!!!
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WAL is disabled, as you can see in config:
dataStorageConfiguration.setWalMode(WALMode.NONE);
My ignite version is 2.6
That is what I have in directory after completing the test:
[cid:3ce7ec54-a3be-4eda-b319-c184a1ceabf9]
От: aealexsandrov
Отправлено
Hi,
I was trying to use Ignite web console on Kubernetes using the docker image
at https://hub.docker.com/r/apacheignite/web-console-standalone/
For external access, I am using ingress kubernetes resource. I am able to
access Web console UI using the default href path (/).
But with non default h
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