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 <[email protected]>: > 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 the right result after a couple of restarts. > > I am trying to debug what happened when it did not return the result . My > suspicions are as below : > > 1. Last week we changed the client communication timeout as below as per > the discussion here ( > > http://apache-ignite-users.70518.x6.nabble.com/IgniteSpiOperationTimeoutException-Operation-timed-out-timeoutStrategy-ExponentialBackoffTimeoutStray-tp34196p34377.html > ). Server was already on the below timeout values. > > : > > <bean > class="org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi" > scope="prototype"> > <property name="connectTimeout" value="5000"/> > <property name="maxConnectTimeout" value="10000"/> > > > Could it be possible that TcpCommunicationSpi timed out before the results > were seen on the client side ? > > 2. Did the replication between the servers not work ? Is it possible that > one of the servers had the wrong value ? How do I debug this ? Please note > when I connect to each of the 3 servers using dbeaver, they all return the > correct row right now.( Since I got to know of this issue after 2 days, I > am > not sure what was the row value at the time of this issue ) > > 3. How do I know which server( out of the 3 servers ) was the client's > continuous query -> initial query run on ? > > How do I debug this further ? > > regards, > Veena. > > > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >
