Handling race conditions with async/await in a Node.js application
I'm wondering if anyone has experience with I'm trying to figure out I need some guidance on I've been struggling with this for a few days now and could really use some help... I'm currently working on a Node.js application where I'm using async/await to handle multiple asynchronous operations. However, I'm running into a race condition issue when trying to fetch user data and then update their profile. The operations seem to be executing out of order, and I'm getting inconsistent results. For example, when I call the following function: ```javascript async function updateUserProfile(userId, profileData) { const user = await getUserById(userId); // Simulating a function that updates user data asynchronously const updateResult = await updateUserInDatabase(userId, profileData); return { user, updateResult }; } ``` When `updateUserInDatabase` is called, sometimes the `user` object fetched by `getUserById` is outdated, leading to unexpected behavior. I've verified that both the `getUserById` and `updateUserInDatabase` functions return promises correctly. To troubleshoot, I've added console logs and found that the issue occurs sporadically, particularly under heavy load. I've also tried implementing locks using a simple boolean flag, but that hasn't resolved the issue completely. ```javascript let isUpdating = false; async function updateUserProfileSafe(userId, profileData) { if (isUpdating) return; isUpdating = true; const user = await getUserById(userId); const updateResult = await updateUserInDatabase(userId, profileData); isUpdating = false; return { user, updateResult }; } ``` However, this approach has led to other requests getting blocked, which isn't ideal. I would really appreciate any insights into how to effectively manage race conditions in this scenario, or if there's a better pattern I could use to ensure the operations run in the desired order without blocking other requests. Is there a simpler solution I'm overlooking? This issue appeared after updating to Javascript 3.11. Is there a better approach? I appreciate any insights!