If you have user-defined types and can sort it by yourself, you can use LinkedHashMap as an argument to preserve the order and avoid deadlocks.
ср, 21 окт. 2020 г. в 09:44, Kamlesh Joshi <[email protected]>: > Thanks for the update Alex. > > > > Actually we are using BinaryObjects for such operations. Is there any > implementation available (or a reference) to sort user defined types of > objects ? > > > > *Thanks and Regards,* > > *Kamlesh Joshi* > > > > *From:* Alex Plehanov <[email protected]> > *Sent:* 20 October 2020 19:54 > *To:* [email protected] > *Subject:* [External]Re: Usage of TransactionConfiguration to overcome > deadlocked threads > > > > The e-mail below is from an external source. Please do not open > attachments or click links from an unknown or suspicious origin. > > Hello, > > > > TransactionConfiguration property has nothing to do with atomic caches. > Perhaps your threads were deadlocked due to atomic putAll/removeAll > operations with an unordered set of keys. It's a known issue and I hope > will be fixed soon. See [1] for detailed information. Until this ticked is > fixed you should avoid concurrent putAll/removeAll operations with an > unordered set of keys on atomic caches (putAll with HashMap as an argument, > for example). > > > > [1]: https://issues.apache.org/jira/browse/IGNITE-12451 > > > > вт, 20 окт. 2020 г. в 12:16, Kamlesh Joshi <[email protected]>: > > Hi Igniters, > > > > We are currently using ATOMIC caches for our operations. Recently, we > observed cluster hang issue, the operations were stuck for quite a long > time (had to bring down the cluster to resolve this). So, after some > digging found that setting up below property should resolve this. Could you > please confirm on below: > > > > 1. Whether this needs to be set on both Ignite servers and Ignite > thick clients? > 2. Or setting on cluster should suffice? > 3. What should be the optimum value for *defaultTxTimeout* > > > > > > *<property name="transactionConfiguration">* > > * <bean > class="org.apache.ignite.configuration.TransactionConfiguration">* > > * <property name="defaultTxTimeout" value="20000"/>* > > * </bean>* > > *</property>* > > > > > > > > > > *Thanks and Regards,* > > *Kamlesh Joshi* > > > > > "*Confidentiality Warning*: This message and any attachments are intended > only for the use of the intended recipient(s), are confidential and may be > privileged. If you are not the intended recipient, you are hereby notified > that any review, re-transmission, conversion to hard copy, copying, > circulation or other use of this message and any attachments is strictly > prohibited. If you are not the intended recipient, please notify the sender > immediately by return email and delete this message and any attachments > from your system. > > *Virus Warning:* Although the company has taken reasonable precautions to > ensure no viruses are present in this email. The company cannot accept > responsibility for any loss or damage arising from the use of this email or > attachment." > > > "*Confidentiality Warning*: This message and any attachments are intended > only for the use of the intended recipient(s), are confidential and may be > privileged. If you are not the intended recipient, you are hereby notified > that any review, re-transmission, conversion to hard copy, copying, > circulation or other use of this message and any attachments is strictly > prohibited. If you are not the intended recipient, please notify the sender > immediately by return email and delete this message and any attachments > from your system. > > *Virus Warning:* Although the company has taken reasonable precautions to > ensure no viruses are present in this email. The company cannot accept > responsibility for any loss or damage arising from the use of this email or > attachment." >
