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https://issues.apache.org/jira/browse/SANDESHA2C-30?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Damitha Kumarage closed SANDESHA2C-30.
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> Bottleneck due to sequential transactions
> -----------------------------------------
>
> Key: SANDESHA2C-30
> URL: https://issues.apache.org/jira/browse/SANDESHA2C-30
> Project: Sandesha2/C
> Issue Type: Bug
> Reporter: Damitha Kumarage
>
> When a new transaction is requested from sandesha2_storage_mgr it waits for 1
> for each transaction which is currently active.
> Here is culprit code
> for (index = axis2_hash_first(storage_mgr_impl->transactions , env);
> index;
> index = axis2_hash_next(env, index))
> {
> void *v = NULL;
> sandesha2_transaction_t *temp = NULL;
> axis2_hash_this(index, NULL, NULL, &v);
> temp = (sandesha2_transaction_t *) v;
> while(sandesha2_permanent_transaction_is_active(temp, env))
> {
> AXIS2_SLEEP(1);
> }
> }
> I changed this code to following
> thread_id_key = AXIS2_MALLOC(env->allocator, sizeof(char)*128);
> sprintf(thread_id_key, "%lu", thread_id);
> transaction = (sandesha2_transaction_t *) axis2_hash_get(
> storage_mgr_impl->transactions, thread_id_key, AXIS2_HASH_KEY_STRING);
> while(transaction &&
> sandesha2_permanent_transaction_is_active(transaction, env))
> {
> AXIS2_SLEEP(1);
> }
> in this case it waits only if the transaction is for the same thread id which
> is acceptable
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