zstan commented on a change in pull request #8777:
URL: https://github.com/apache/ignite/pull/8777#discussion_r585267597
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File path: docs/_docs/thin-clients/cpp-thin-client.adoc
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@@ -115,3 +115,75 @@ Configure link:security/authentication[authentication on
the cluster side] and p
include::code-snippets/cpp/src/thin_authentication.cpp[tag=thin-authentication,indent=0]
----
+=== Transactions
+
+
+Client transactions are supported for caches with
`AtomicityMode.TRANSACTIONAL` mode.
+
+
+==== Executing Transactions
+
+
+To start a transaction, obtain the `ClientTransactions` object from
`IgniteClient`.
+`ClientTransactions` has a number of `txStart(...)` methods, each of which
starts a new transaction and returns an object (`ClientTransaction`) that
represents the transaction.
+Use this object to commit or rollback the transaction.
+
+
+[source, cpp]
+----
+cache::CacheClient<int, int> cache = client.GetCache<int,
int>("my_transactional_cache");
+
+transactions::ClientTransactions transactions = client.ClientTransactions();
+
+transactions::ClientTransaction tx = transactions.TxStart();
+
+cache.Put(2, 20);
+
+tx.Commit();
+----
+
+
+==== Transaction Configuration
+
+
+Client transactions can have different concurrency modes, isolation levels,
and execution timeout, which can be set for all transactions or on a per
transaction basis.
+
+You can specify the concurrency mode, isolation level, and timeout when
starting an individual transaction. In this case, the provided values override
the default settings.
+
+
+[source, cpp]
+----
+transactions::ClientTransactions transactions = client.ClientTransactions();
+
+const uint32_t TX_TIMEOUT = 200;
+
+transactions::ClientTransaction tx =
transactions.TxStart(TransactionConcurrency::OPTIMISTIC,
TransactionIsolation::SERIALIZABLE, TX_TIMEOUT);
+
+cache.Put(1, 20);
+
+tx.Commit();
+----
+
+You can also perform transactions with labels:
+
+[source, cpp]
+----
+transactions::ClientTransaction tx = transactions.withLabel(label).TxStart();
+
+transactions::ClientTransaction tx =
transactions.withLabel(label).TxStart(TransactionConcurrency::OPTIMISTIC,
TransactionIsolation::SERIALIZABLE, TX_TIMEOUT);
+----
+
+=== Init Container
+To use an init container, add the appropriate definitions.
+
+For example:
+----
+...
+init_container_image: busybox
Review comment:
why do we have container reference code here ?
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