google-cloud-bigtable

问题 It appears that I cannot create a connection from Java class running on AppEngine. I use the following library/dependency: <dependency> <groupId>com.google.cloud.bigtable</groupId> <artifactId>bigtable-hbase-1.1</artifactId> <version>0.1.9</version> </dependency> And the following lines of code: import org.apache.hadoop.hbase.client.ConnectionFactory; import org.apache.hadoop.hbase.*; Configuration conf = HBaseConfiguration.create(); connection = ConnectionFactory.createConnection(conf); It

问题 I building a coupon system and I use bigtable. My schema has two column - Customer ID, Coupon code I would like to query the table to check if the customer already exists and if true to return the code and if it doesn't, modify the customer id cell with the id and to return back the code. I saw there is an option to do it in Bigtable ReadModifyWriteRow operator or with CheckAndMutateRow but I not found any references. 回答1: Google has API documentation for Bigtable and Python available here.

问题 I have a standalone application that works fine with Bigtable when creating a connection like this: Connection connection = BigtableConfiguration.connect(PROJECT_ID, INSTANCE_ID) and using the following dependencies: <dependency> <groupId>com.google.apis</groupId> <artifactId>google-api-services-storage</artifactId> <version>v1-rev78-1.22.0</version> </dependency> <dependency> <groupId>com.google.apis</groupId> <artifactId>google-api-services-pubsub</artifactId> <version>v1-rev11-1.22.0<

问题 I'm working on a custom load function to load data from Bigtable using Pig on Dataproc. I compile my java code using the following list of jar files I grabbed from Dataproc. When I run the following Pig script, it fails when it tries to establish a connection with Bigtable. Error message is: Bigtable does not support managed connections. Questions: Is there a work around for this problem? Is this a known issue and is there a plan to fix or adjust? Is there a different way of implementing

问题 I am trying to connect to Cloud Bigtable; however, I'm getting issues with netty-tcnative not being found. Maven dependencies: <dependency> <groupId>com.google.cloud.bigtable</groupId> <artifactId>bigtable-hbase-1.2</artifactId> <version>0.9.2</version> </dependency> <dependency> <groupId>io.netty</groupId> <artifactId>netty-tcnative-boringssl-static</artifactId> <version>1.1.33.Fork19</version> </dependency> Error output: ERROR 2016-09-09 22:26:00,969 [main] com.google.cloud.bigtable.grpc

问题 BigTable uses Bloom filters to allow point reads to avoid accessing SSTables that do not contain any data within a given key-column pair. Can these Bloom filters also be used to avoid accessing SSTables if the query only specifies the row ID and no column ID? BigTable uses row-column pairs as keys to insert into its bloom filters. This means that a query can use these filters for a point read that specifies a row-column pair. Now, suppose we have a query to get all columns of a row based only

问题 While going through the Google docs, I'm getting the below stack trace on the final export command (executed from the master instance with appropriate env variables set). ${HADOOP_HOME}/bin/hadoop jar ${HADOOP_BIGTABLE_JAR} export-table -libjars ${HADOOP_BIGTABLE_JAR} <table-name> <gs://bucket> SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/home/hadoop/hbase-install/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found

问题 I am using Bigtable emulator and have successfully added a table in it and now I need to get filtered data. The table is as follows: arc_record_id | record_id | batch_id 1 |624 |86 2 |625 |86 3 |626 |86 and so on...till arc_record_id 10. I have tried this given below Python code: visit_dt_filter = ValueRangeFilter(start_value = "1".encode('utf-8'), end_value = "2".encode('utf-8')) col1_filter = ColumnQualifierRegexFilter(b'arc_record_id') chain1 = RowFilterChain(filters=[col1_filter, visit_dt

问题 I am setting up a Java Pipeline in DataFlow to read a .csv file and to create a bunch of BigTable rows based on the content of the file. I see in the BigTable documentation the note that connecting to BigTable is an 'expensive' operation and that it's a good idea to do it only once and to share the connection among the functions that need it. However, if I declare the Connection object as a public static variable in the main class and first connect to BigTable in the main function, I get the

问题 Following this example, running the test script "python put_get_with_client.py" results in a 400 error (Bad Request). Bad request java.lang.ClassCastException: org.apache.hadoop.hbase.client.BigtableConnection cannot be cast to org.apache.hadoop.hbase.client.ClusterConnection at org.apache.hadoop.hbase.client.ConnectionManager.createConnection(ConnectionManager.java:410) at org.apache.hadoop.hbase.client.ConnectionManager.createConnection(ConnectionManager.java:370) at org.apache.hadoop.hbase