Javascript 亚马逊Lambda赢得';不要向DynamoDB写入数据
我将数据流传输到Amazon Kinesis,我使用Amazon Lambda处理数据并将其写入DynamoDB 我的Lambda代码:Javascript 亚马逊Lambda赢得';不要向DynamoDB写入数据,javascript,amazon-web-services,amazon-dynamodb,amazon-kinesis,aws-lambda,Javascript,Amazon Web Services,Amazon Dynamodb,Amazon Kinesis,Aws Lambda,我将数据流传输到Amazon Kinesis,我使用Amazon Lambda处理数据并将其写入DynamoDB 我的Lambda代码: var doc = require('dynamodb-doc'); var dynamo = new doc.DynamoDB(); exports.handler = function(event, context) { //console.log('Received event:', JSON.stringify(event, null, 2)
var doc = require('dynamodb-doc');
var dynamo = new doc.DynamoDB();
exports.handler = function(event, context) {
//console.log('Received event:', JSON.stringify(event, null, 2));
event.Records.forEach(function(record) {
// Kinesis data is base64 encoded so decode here
var payload = new Buffer(record.kinesis.data, 'base64').toString('ascii');
console.log('Decoded payload:', payload);
var tableName = "_events";
var datetime = new Date().getTime().toString();
dynamo.putItem({
"TableName": tableName,
"Item" : {
"eventID" : record["eventID"],
"eventName" : payload
}
}, function(err, data) {
if (err) {
console.log("dynamodb error: " + err);
context.done('error putting item into dynamodb failed: '+err);
}
else {
console.log('great success: '+JSON.stringify(data, null, ' '));
context.succeed('K THX BY');
}
});
});
// context.succeed("Successfully processed " + event.Records.length + " records.");
};
当我运行测试时,数据成功保存到DynamoDB。但当我流式传输真实数据时,它不会发生,而日志显示数据是由lambda函数接收的。
此外,console.log()函数在putItem()块中不起作用,因此我不知道如何调试此问题。问题是:
1.我没有设置正确的权限
2.我只是没有等待足够的时间,以便lambda函数可以处理数据。不确定这是否是问题所在,但您的lambda是否具有写入DynamoDB的权限?