ry
> similar to my situation.
>
>
>
> I am using gridgain-community-8.8.9 version.
>
>
>
> The server is configured in file ignite-server-config1.xml, while the thin
> client and continuous query are configured in file ThinClientExample.java.
>
>
>
>
Hi! Mikhail, Pavel
Indeed, the two pieces of information provided by Pavel may not be very similar
to my situation.
I am using gridgain-community-8.8.9 version.
The server is configured in file ignite-server-config1.xml, while the thin
client and continuous query are configured in file
Pavel, in fact, I don't think that the mentioned ticket has anything to
do with the described problem.
Mengyu Jing, What version of the Apache Ignite are you using? Could you
please attach the configuration of the Ignite server node, thin client
configuration and continuous query you
the cluster did not have
> persistence enabled.
>
>
>
> I used 40 thin clients to listen for cache changes through continuous
> query function, and there were also some other thin clients constantly
> inserting data into the cache. When I hung up a node in the cluster using
> the
Hello, Igniters!
I started an Ignite cluster with 12 nodes, but the cluster did not have
persistence enabled.
I used 40 thin clients to listen for cache changes through continuous query
function, and there were also some other thin clients constantly inserting data
into the cache. When I
t; By executing these two test codes in the description, it is easy to
>> reproduce the problem.
>>
>>
>>
>> What should I do next? Continuously following this Jira?
>>
>>
>>
>>
>>
>> 发件人: Jeremy McMillan
>> 发送时间: 2023年5月
these two test codes in the description, it is easy to
> reproduce the problem.
>
>
>
> What should I do next? Continuously following this Jira?
>
>
>
>
>
> *发件人: *Jeremy McMillan
> *发送时间: *2023年5月24日 23:24
> *收件人: *user@ignite.apache.org
> *主题: *Re: Ignite t
5月24日 23:24
收件人: user@ignite.apache.org
主题: Re: Ignite thin client continuous query listener cannot listen to all events
Thanks for bringing this up!
https://ignite.apache.org/docs/latest/key-value-api/continuous-queries#events-delivery-guarantees
This sounds like you may have found a bug
:52 AM lonesomerain wrote:
> *Hi,*
> *I have a question while using ignite 2.15.0*
>
> *Problem scenario:*
>
> Start the Ignite server of one node, start one thin client and create a
> continuous query listener, and then use 50 threads to add 500 data to the
> cache concurr
Hi,
I have a question while using ignite 2.15.0
Problem scenario:
Start the Ignite server of one node, start one thin client and create a
continuous query listener, and then use 50 threads to add 500 data to the cache
concurrently.
Problem phenomenon:
Through the information printed
Please note that the issue only appears if backups > 0 for the cache. It
also doesn't matter if the cache is transactional or atomic.
On 2022/10/11 12:09:08 Anders Melgaard wrote:
> Hi all,
>
> I have a potential issue with continuous queries and memory consumption.
> I've run a test with a
Hi all,
I have a potential issue with continuous queries and memory consumption.
I've run a test with a single cache with 3 CQs registered on one node.
Another node joins and inserts one million entries and removes the same
entries afterwards. This leaves the cache empty but it seems there's ~1,4
d changes required to support continuous queries
> in thin-clients.
>
> On 19 Apr 2021, at 07:59, sourav dihidar wrote:
>
> Thanks for your reply. I see in the release note of 2.10.0 under Java thin
> client , it is mentioned
>
>
>- Added thin Client Continuous Query
&g
I suspect it’s the backend changes required to support continuous queries in
thin-clients.
> On 19 Apr 2021, at 07:59, sourav dihidar wrote:
>
> Thanks for your reply. I see in the release note of 2.10.0 under Java thin
> client , it is mentioned
>
> Added thin Clien
Thanks for your reply. I see in the release note of 2.10.0 under Java thin
client , it is mentioned
- Added thin Client Continuous Query
Is that something else?
Thanks
On Fri, Apr 16, 2021, 10:11 PM Stephen Darlington <
stephen.darling...@gridgain.com> wrote:
> Looks like that
Looks like that’s coming in 2.11:
IGNITE-14402 <https://issues.apache.org/jira/browse/IGNITE-14402>
It’s present in the .net thin client since 2.10.
Regards,
Stephen
> On 16 Apr 2021, at 17:21, sourav dihidar wrote:
>
> Hi Team,
>
> I understood that continuous query
Hi Team,
I understood that continuous query for java thin client has been introduced
in the latest ignite version(2.10.0). Do you have any documentation
around this specially how to use it through thin client.
Thanks
e have some on-heap entries?
>
> 2. What is the best way to ensure the near cache is kept completely in-sync
> with the server cache, would it be sufficient to use a continuous query
> that
> makes a cache.get() call whenever the continuous query gets a CREATED
> event?
> The ca
cache, would it be sufficient to use a continuous query that
makes a cache.get() call whenever the continuous query gets a CREATED event?
The cache will keep a small enough amount of data that we do not have a need
for an eviction policy.
3. What is the best way to keep a continuous query open
ache, it
> was only updated with entries it had already had stored in it.
>
> Is there a way I can resolve either of these two undesireable problems of
> the NearCache for my situation?
>
>
> Continuous Query Attempt:
> =
> This lead me to instead consider
cache never received new entries from the replicated cache, it
> was only updated with entries it had already had stored in it.
>
> Is there a way I can resolve either of these two undesireable problems of
> the NearCache for my situation?
>
>
> Continuous Query Attempt:
>
entries from the replicated cache, it
was only updated with entries it had already had stored in it.
Is there a way I can resolve either of these two undesireable problems of
the NearCache for my situation?
Continuous Query Attempt:
=
This lead me to instead consider Continuous
entries from the replicated cache, it
was only updated with entries it had already had stored in it.
Is there a way I can resolve either of these two undesireable problems of
the NearCache for my situation?
Continuous Query Attempt:
=
This lead me to instead consider Continuous
On further debugging, it looks like all the clients that had failed the
count, were executing their query on
the same server machinename002.
When I looked at the server logs, it looks like that the records that were
missing were not present on this server when the query was executed but were
Hi Andrei,
Did you get a chance to look at my comments .
Regarding doing the continuous query as per this example :
https://github.com/gridgain/gridgain/blob/master/examples/src/main/java/org/apache/ignite/examples/datagrid/CacheContinuousQueryExample.java
Our code is pretty much as shown
HI Andrei,
Some more points :
1. Also the javadocs for the querycursor says :
https://ignite.apache.org/releases/latest/javadoc/org/apache/ignite/cache/query/QueryCursor.html#getAll--
List getAll()
Gets all query results and stores them in the collection. Use this method
when you know in
Hi Andrei,
Also as I said it is a trimmed down version of the actual code. In the
actual code, the cursor is taken into a instance variable and closed.
Made modifications accordingly to the client class . Please find the same
attached,
InitialQueryProject-1.zip
in the loop .
// Create new continuous query.
QueryCursor> cur =
cache.query(qry);
LOGGER.info(
"PROJECT LISTENS: >>> Cache continuous query started
successfully. Start Initial Query...{}",
qry.getInitialQuery());
// Iterate throug
Hi,
From your source code, I can see that the QueryCursor was created
inside startContinuousQuery. Then you return it from that method, but
don't store it in any variable:
continuousQueryHelper.startContinuousQuery(ignite,qry,testCache,subscribeParameters.callBackList,outputFieldsList);
for
Hi Andrei,
Please find a trimmed down version of the code attached.
Have a look at the ContinuousQueryHelper -> setInitialQuery to check how the
initial query has been coded.
regards,
Veena.
InitialQueryProject.zip
HI Andrei,
The initial query(sql query) is failing, not the continuous update.
Also so far we have had no issues in the initial query.. ( for the past 1
year or so ). I can share a reproducer if that will help,
regards,
Veena.
--
Sent from:
Hi,
Could you please provide your client's code where you are listening to
continuous query? Probably something is wrong there.
BR,
Andrei
1/19/2021 4:13 PM, VeenaMithare пишет:
Hi ,
It happened a couple of times on Friday ( 15th ) . Today I started a dummy
client with a continuous query
Hi ,
It happened a couple of times on Friday ( 15th ) . Today I started a dummy
client with a continuous query against the same client multiple times
against the same cluster - and I am not able to reproduce it. This cache
contains 58 records , and I see all the 58 records being recorded
Hello!
Does this happen if you just run this SQL query during client start-up? Can
you reproduce this by bringing nodes down and back up?
Regards,
--
Ilya Kasnacheev
вт, 19 янв. 2021 г. в 15:11, VeenaMithare :
> No . Its a SQL query.
>
>
>
> --
> Sent from:
No . Its a SQL query.
--
Sent from: http://apache-ignite-users.70518.x6.nabble.com/
Hello!
What kind of initial query do you have? Is it a scan query?
Regards,
--
Ilya Kasnacheev
пн, 18 янв. 2021 г. в 19:44, VeenaMithare :
> Hi Team,
>
> Our env :
> Servers : 3
> Cache Configuration : REPLICATED
>
> In one of our clients, the continuous query - Initial
Hi Team,
Our env :
Servers : 3
Cache Configuration : REPLICATED
In one of our clients, the continuous query - Initial query did not return
any result during client start whereas it was expected to return a single
row. This happened for about 3-4 times over a period of 2 hours. It did
return
Hi Ilya,
That is what I assume too, could someone from the developers community help
confirm/comment on this ?
regards,
Veena.
--
Sent from: http://apache-ignite-users.70518.x6.nabble.com/
e-visible-after-transaction-commit-tp33787p33861.html
>
> >>Continuous Query itself is not transactional and it looks like it can't
> be
> used for this at the moment. So, it gets notification before other entries
> were committed.
>
> Does this mean we could get dirty re
Hi ,
This is in continuation of the below statement on this post :
http://apache-ignite-users.70518.x6.nabble.com/Lag-before-records-are-visible-after-transaction-commit-tp33787p33861.html
>>Continuous Query itself is not transactional and it looks like it can't be
used for this at the
Thanks Raymond for the pointer.
On Wed, Oct 7, 2020 at 4:39 PM Raymond Wilson
wrote:
> It's possible to configure the continuous query to return only keys in the
> cache that are stored on the local node.
>
> On the C# client we do it like this:
>
> var _queryHandle = queueCac
It's possible to configure the continuous query to return only keys in the
cache that are stored on the local node.
On the C# client we do it like this:
var _queryHandle = queueCache.QueryContinuous
(qry: new ContinuousQuery<[..KeyType..],
[...ValueType...]>(listener) {Local
an actual Ignite APIs).
>
> First. You need to add a flag field to the record's class that keeps the
> current processing status. Like that:
>
> MyRecord {
> int id;
> Date created;
> byte status; //0 - not processed, 1 - being processed withing a
> continuous query filt
processing status. Like that:
MyRecord {
int id;
Date created;
byte status; //0 - not processed, 1 - being processed withing a
continuous query filter, 2 - processed by the filter, all the logic
successfully completed
}
Second. The continuous query filter (that will be executed on nodes that
store
>
> So, a lesson for the future, would the continuous query approach still be
> preferable if the calculation involves the cache with continuous query and
> say a look up table? For example, if I want to see the country in the cache
> employee exists in the list of the coun
Also, what do I need to do if I want the filter for the continuous query to
execute on the cache on the local node only? Say, I have the continuous
query deployed as singleton service on each node, to capture certain
changes to a cache on the local node.
On Wed, Oct 7, 2020 at 5:54 AM narges
Thank you, Denis.
So, a lesson for the future, would the continuous query approach still be
preferable if the calculation involves the cache with continuous query and
say a look up table? For example, if I want to see the country in the cache
employee exists in the list of the countries that I am
Thanks
Then, I would consider the continuous queries based solution as long as the
records can be updated in real-time:
- You can process the records on the fly and don't need to come up with
any batch task.
- The continuous query filter will be executed once on a node that
stores
> On Fri, Oct 2, 2020 at 12:23 PM Denis Magda wrote:
>>>>
>>>>> What are your requirements? Do you need to process the records as soon
>>>>> as they are put into the cluster?
>>>>>
>>>>>
>>>>>
>>>>>
What are your requirements? Do you need to process the records as soon
>>>> as they are put into the cluster?
>>>>
>>>>
>>>>
>>>> On Friday, October 2, 2020, narges saleh wrote:
>>>>
>>>>> Thank you Dennis for the
2020 2:03 AM
> *To:* user@ignite.apache.org
> *Subject:* Re: Continuous Query
>
> The latter; the server needs to perform some calculations on the data
> without sending any notification to the app.
>
> On Fri, Oct 2, 2020 at 4:25 PM Denis Magda wrote:
>
> And after you detec
unsubscribe
From: narges saleh
Sent: Sunday, 4 October 2020 2:03 AM
To: user@ignite.apache.org
Subject: Re: Continuous Query
The latter; the server needs to perform some calculations on the data without
sending any notification to the app.
On Fri, Oct 2, 2020
? Do you need to process the records as soon
>>> as they are put into the cluster?
>>>
>>>
>>>
>>> On Friday, October 2, 2020, narges saleh wrote:
>>>
>>>> Thank you Dennis for the reply.
>>>> From the perspective of performance/resour
f performance/resource overhead and reliability,
>>> which approach is preferable? Does a continuous query based approach impose
>>> a lot more overhead?
>>>
>>> On Fri, Oct 2, 2020 at 9:52 AM Denis Magda wrote:
>>>
>>>> Hi Narges,
>
,
>> which approach is preferable? Does a continuous query based approach impose
>> a lot more overhead?
>>
>> On Fri, Oct 2, 2020 at 9:52 AM Denis Magda wrote:
>>
>>> Hi Narges,
>>>
>>> Use continuous queries if you need to be notified in real-t
referable? Does a continuous query based approach impose
> a lot more overhead?
>
> On Fri, Oct 2, 2020 at 9:52 AM Denis Magda wrote:
>
>> Hi Narges,
>>
>> Use continuous queries if you need to be notified in real-time, i.e. 1) a
>> record is inserted, 2) the
Thank you Dennis for the reply.
>From the perspective of performance/resource overhead and reliability,
which approach is preferable? Does a continuous query based approach impose
a lot more overhead?
On Fri, Oct 2, 2020 at 9:52 AM Denis Magda wrote:
> Hi Narges,
>
> Use contin
Hi Narges,
Use continuous queries if you need to be notified in real-time, i.e. 1) a
record is inserted, 2) the continuous filter confirms the record's time
satisfies your condition, 3) the continuous queries notifies your
application that does require processing.
The jobs are better for a
Hi All,
If I want to watch for a rolling timestamp pattern in all the records that
get inserted to all my caches, is it more efficient to use timer based jobs
(that checks all the records in some interval) or continuous queries that
locally filter on the pattern? These records can get inserted
I believe Java doc should be enough for that:
https://ignite.apache.org/releases/latest/javadoc/org/apache/ignite/cache/query/ContinuousQuery.html
It says:
To stop receiving updates call QueryCursor.close()
Hi,
Thanks for the reply.
Do we have any document reference for stopping/unsubscribing registered CQ
listeners.
Thanks & Regards,
Devakumar J
--
Sent from: http://apache-ignite-users.70518.x6.nabble.com/
Hi,
You can just stop the CQ and then register it again if you don't want to
get notifications for some period of time.
Evgenii
пт, 31 июл. 2020 г. в 01:51, Devakumar J :
> Hi All,
>
> We have a setup of 2 servers and 1 client Node. Client node registers CQ on
> set of caches.
>
> I just want
Hi All,
We have a setup of 2 servers and 1 client Node. Client node registers CQ on
set of caches.
I just want to temporarily pause and resume CQ notifications based on
certain action at client node.
I was trying to achieve this through remote filter and ignite messaging. I
mean client publish
Hello,
Looks like this issue is not related to load, but related to remote filter
not getting redeployed when a server node is restarted on version 2.7.6.
Related discussion at
http://apache-ignite-users.70518.x6.nabble.com/Remote-Filter-Execution-td33274.html
regards,
Veena.
--
Sent
Hello!
Yes, using other continuous query to watch changes of this set looks OK. Of
course there will be some yak shaving to do.
Regards,
--
Ilya Kasnacheev
вт, 26 мая 2020 г. в 12:28, zork :
> Thanks.
> So I can think of two ways using which such a set could be maintained by
> the
and remote node can maybe listen to it using another continuous query.
Is that right?
--
Sent from: http://apache-ignite-users.70518.x6.nabble.com/
Hello!
No, updating local set will not be sent over to the remote node, but on the
remote node you can probably update it from your filter:
qry.setRemoteFilterFactory(new Factory>() {
@Override public CacheEntryEventFilter
create() {
return new
Hi,
Sorry but I could not get it to work.
The standard way of defining a remote filter as shown in sample repo is
something like:
qry.setRemoteFilterFactory(new Factory>() {
@Override public CacheEntryEventFilter
create() {
return new
pri...@uk.bnpparibas.com> wrote:
> Hi,
>
> I'm just upgrading to Ignite 2.8 and see that SqlQuery has been deprecated
> directing us to SqlFieldsQuery, ScanQuery or Text. Previously I had a
> continuous query running that took an SqlQuery which had "order by xyz" as
> part o
Hi,
I'm just upgrading to Ignite 2.8 and see that SqlQuery has been deprecated
directing us to SqlFieldsQuery, ScanQuery or Text. Previously I had a
continuous query running that took an SqlQuery which had "order by xyz" as
part of the initial query so I could get ordered results ba
Hello!
Remote filter is code. It can execute arbitrary logic. It can adjust to
what it needs to filter, change its own behavior with time.
Regards,
--
Ilya Kasnacheev
пн, 18 мая 2020 г. в 15:40, zork :
> Hi Ilya,
> Thanks for your response.
> I'm aware of remote filters but can these filters
Hi Ilya,
Thanks for your response.
I'm aware of remote filters but can these filters be modified once the query
is already attached?
Because if not, then this would not solve my use case as the filter would
always give me updates on a fixed subset of keys, however in my case this
subset is varying
Hello!
Continuous query has a notion of 'remote filter'. This is a piece of code
which is executed near data (on server nodes) to determine if the update
needs to be sent over network.
https://apacheignite.readme.io/docs/continuous-queries#remote-filter
If you define a proper remote filter
continuous query is attached for
every key whenever it is subscribed and it is closed whenever that key is no
longer of interest (or unsubscribed). The problem with this is that since
there are so many continuous queries (a few thousands), the application goes
out of memory. Also, it would mean all
Hi,
handleEntry() performs internal housekeeping chores.
You are correct a notification is sent to localListeners whether an entry
was filtered or not.
your actual local listener will be called only if the entry has passed
your filter criteria.
If you place a breakpoint inside
HI Alex,
I am not able to reproduce this issue - we have seen it happening a few
times in our test env. though.
I am trying to go through logs and code to understand how it can happen.
It looks like all the local listeners for this cache( about 6 of them )
have received the 'untransformed'
It might, I would need to see a reproducer to make a determination.
--
Sent from: http://apache-ignite-users.70518.x6.nabble.com/
I see this line being printed just before any local listener is invoked :
2020-05-06T16:28:17,909 INFO o.a.i.s.c.t.TcpCommunicationSpi
[grid-nio-worker-tcp-comm-4-#255%ActivDataPublisher-ACTIVEI2-igniteclient-GREEN%]:
Accepted incoming communication connection [locAddr=/x.x.x.x:yyy,
Hi Alex,
Thank you for the reply .
>> verify the continuous query definitions using the appropriate view:
https://apacheignite.readme.io/docs/continuous_queries
We are on 2.7.6 version. I guess this view is not available for us. Also we
have been running the CQs for couple of mont
Hi,
It shouldn't work like you described:
Continuous query clients should only be receiving the records that are
pertinent to their filters/transformers.
verify the continuous query definitions using the appropriate view:
https://apacheignite.readme.io/docs/continuous_queries
take a look
We have about 5 clients. Each client starts 2 different CQ to the same cache
abc . (We need 2 CQ since we want different action and different lifecycle
when the local listener is triggered for either query. )
Client 1 :
Say CQ1 is listening to changes to a record where name is name1. (There is a
It is likely entries are being quickly produced and filling up the buffer
giving the effect of an immediate update.
You can test it via specific delays and logging.
Make the server print out the counter of the object.
say:
if the key is an integer and the value is too then print out the key as
This was what I thought, however, no matter what number I set to the
pageSize, e.g., 5, 20, 100, my local listener got the update immediately, 1
by 1, but not batching by the page size...
--
Sent from: http://apache-ignite-users.70518.x6.nabble.com/
You are correct. Your local reciever will get an update every 100 entries.
setPageSize sets the number of entries to batch together before sending.
When the server has accumulated a number of entries larger than getPageSize
it sends a message to the receiver.
Like I mentioned before,
Thanks Alex,
But I still not quite understand the expected behaviour. If I set the page
size to 100 and interval to 0, should the local query be triggered for every
100 updates?
Regards,
Rick
--
Sent from: http://apache-ignite-users.70518.x6.nabble.com/
Hi,
setTimeInterval limits the time Ignite will wait for an internal buffer
to fill up before sending.
It is not a time delay setting.
From the doc:
https://ignite.apache.org/releases/latest/javadoc/org/apache/ignite/cache/query/ContinuousQuery.html#setTimeInterval-long-
When a
Dear all,
I tried to play around with the setPageSize and setTimeInterval on
Continuous Query, but it doesn't seem to have any effect. My code is like:
private void configOrderListener(Ignite ignite) {
IgniteCache cache =
ignite.cache(StoreHelper.getCacheName(OrderStore.class
So, if I define the CQ as a service, and the node crashes, wouldn't ignite
start a new service with CQ already registered, say if the CQ registration
is in service init?
I can do initial query at the as well.
On Wed, Apr 1, 2020 at 7:33 PM Evgenii Zhuravlev
wrote:
> Well, with this use case,
Well, with this use case, if one of the nodes goes down, there is always a
chance to lost notifications. I don't think that it's possible to recover
lost notifications with out of the box solution, but if you will be able to
track the last processed notification and store update time in entries,
Thanks Evgenii for the recommendation and the heads up.
Is there a way to recover the lost notifications or even know if a
notification is lost?
On Wed, Apr 1, 2020 at 12:15 PM Evgenii Zhuravlev
wrote:
> Hi,
>
> 1) I would recommend checking ContinouousQuery.setLocal:
>
Hi,
1) I would recommend checking ContinouousQuery.setLocal:
https://www.gridgain.com/sdk/ce/latest/javadoc/org/apache/ignite/cache/query/Query.html#setLocal-boolean-.
Please check if it fits your requirements.
2) You will need to do this in a separate thread, because cache operations
shouldn't
Hi All,
I'd like to get your feedback regarding the following pattern.
1) CQ setup that listens to the changes to a cache on the local node only.
2) Upon receiving notification on a change, the listener makes additions to
two other caches, one being on the local node (partitioned) and the other
I'm not sure, because the final overhead depends on the object sizes. There
is a buffer for CQ, which stores 1000 entries by default, but you can
decrease it using property IGNITE_CONTINUOUS_QUERY_SERVER_BUFFER_SIZE
Evgenii
вт, 18 февр. 2020 г. в 18:09, narges saleh :
> Hi Evgeni,
>
> There
Hi Rick,
What's the stack trace you see? Generally, creating/registring a new
continuous query is a proper way of reconnection handling. The issue might
be that the new query is created by a system thread that triggered your
predicate - ignite.events().localListen(new IgnitePredicate()
-
Denis
Dear all,
I have a continuous query on a client node like
IgniteCache cache =
ignite.getOrCreateCache(StoreHelper.getCacheName(BalanceStore.class));
ContinuousQuery qry = new ContinuousQuery<>();
qry.setLocalListener(handler);
qry.setRemoteFilterFactory((Factory>) ()
Hi Evgeni,
There will be several thousands notifications/day if I have it send
notification only when certain patterns are visited, in about 100+ caches,
which brings up another question: wouldn't having 100+ CQs be creating too
much overhead?
thanks.
On Tue, Feb 18, 2020 at 2:17 PM Evgenii
Hi,
How many notifications do you want to get? If it's just a several
notifications, then you can even register separate CQ for each of the entry
with its own remote filters. At the same time, if you have a requirement to
send these notifications for a lot of entries, then this approach will
Hello!
Why?
I don't think that transactions, semantically have any guarantees about the
order of updates inside a transaction.
I'd go with A).
Regards,
--
Ilya Kasnacheev
чт, 16 янв. 2020 г. в 17:39, Barney Pippin :
> Hi,
>
> If I have a continuous query running and it's
Hi,
If I have a continuous query running and it's listening to a transactional
cache, what order will I receive the notifications if say 5 updates are
committed in a single transaction?
Is the order:
A) Undefined
B) The order the cache updates are written to the cache prior to the commit
C
apache.org
Subject: Local listener for continuous query doesn't trigger on cache keyremoval
Hi,
I am following the example on this page for continuous query local
listener and it works great:
https://apacheignite.readme.io/docs/continuous-queries#section-local-listener
However, it s
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