diff --git a/docs/combiner.md b/docs/combiner.md index 76cb5fe..3def8c4 100644 --- a/docs/combiner.md +++ b/docs/combiner.md @@ -20,16 +20,17 @@ This tutorial uses the following Java class, which can be found in org.apache.ac * [StatsCombiner.java] - a combiner that calculates max, min, sum, and count -This is a simple combiner example. To build this example run maven and then -copy the produced jar into the accumulo lib dir. This is already done in the -tar distribution. +This is a simple combiner example. Before running it, follow the +[setup instructions](../README.md#setup-instructions) so the examples jar is +available to Accumulo. Restart your Accumulo instance to ensure the jar is +picked up by the servers. - $ bin/accumulo shell -u username + $ accumulo shell -u root Enter current password for 'username'@'instance': *** Shell - Apache Accumulo Interactive Shell - - - version: 2.1.0-SNAPSHOT + - version: 4.0.0-SNAPSHOT - instance name: instance - instance id: 00000000-0000-0000-0000-000000000000 - diff --git a/docs/deleteKeyValuePair.md b/docs/deleteKeyValuePair.md index b96cd29..a312946 100644 --- a/docs/deleteKeyValuePair.md +++ b/docs/deleteKeyValuePair.md @@ -19,7 +19,7 @@ limitations under the License. This example shows how Accumulo internals handle removing a key-value pair ``` -$ /path/to/accumulo shell -u username -p secret +$ accumulo shell --user root --password secret username@instance> createnamespace examples username@instance> createtable examples.deleteKeyValuePair username@instance examples.deleteKeyValuePair> insert 567890 name first Joe @@ -53,13 +53,14 @@ Scan accumulo.metadata table to see the list of RFiles Accumulo is currently usi ``` username@instance examples.deleteKeyValuePair> scan -t accumulo.metadata -c file -r 1t< -1t< file:hdfs://localhost:8020/accumulo/tables/1t/default_tablet/F00007em.rf +1t< file:{"path":"hdfs://localhost:8020/accumulo/tables/1t/default_tablet/F00007em.rf","startRow":"","endRow":""} [] 311,3 + ``` View the contents of RFile and verify each key-value pair's deletion flag is false. ``` -$ /path/to/accumulo rfile-info -d hdfs://localhost/accumulo/tables/1t/default_tablet/F00007em.rf +$ accumulo file rfile-info -d hdfs://localhost:8020/accumulo/tables/1t/default_tablet/F00007em.rf RFile Version : 8 Locality group : @@ -87,7 +88,7 @@ Meta block : RFile.index Delete a key-value pair and view a newly created RFile to verify the deletion flag is true. ``` -$ /path/to/accumulo shell -u username -p secret +$ accumulo shell --user root --password secret username@instance> table examples.deleteKeyValuePair username@instance examples.deleteKeyValuePair> delete 567890 name first username@instance examples.deleteKeyValuePair> flush -w @@ -95,12 +96,13 @@ username@instance examples.deleteKeyValuePair> flush -w ``` username@instance examples.deleteKeyValuePair> scan -t accumulo.metadata -c file -r 1t< -1t< file:hdfs://localhost:8020/accumulo/tables/1t/default_tablet/F00007em.rf -1t< file:hdfs://localhost:8020/accumulo/tables/1t/default_tablet/F00007fq.rf +1t< file:{"path":"hdfs://localhost:8020/accumulo/tables/1t/default_tablet/F00007em.rf","startRow":"","endRow":""} [] 311,3 +1t< file:{"path":"hdfs://localhost:8020/accumulo/tables/1t/default_tablet/F00007fg.rf","startRow":"","endRow":""} [] 230,1 + ``` ``` -$ /path/to/accumulo rfile-info -d hdfs://localhost/accumulo/tables/1t/default_tablet/F00007fq.rf +$ accumulo file rfile-info -d hdfs://localhost:8020/accumulo/tables/1t/default_tablet/F00007fq.rf RFile Version : 8 Locality group : @@ -127,7 +129,7 @@ Meta block : RFile.index Compact the RFiles and verify the key-value pair was removed. The new RFile will start with 'A'. ``` -$ /path/to/accumulo shell -u username -p secret +$ accumulo shell --user root --password secret username@instance> compact -t examples.deleteKeyValuePair -w 2019-04-17 08:17:15,468 [shell.Shell] INFO : Compacting table ... 2019-04-17 08:17:16,143 [shell.Shell] INFO : Compaction of table examples.deleteKeyValuePair @@ -136,11 +138,12 @@ completed for given range ``` username@instance> scan -t accumulo.metadata -c file -r 1t< -lt< file:hdfs://localhost:8020/accumulo/tables/1t/default_tablet/A00007g1.rf +1t< file:{"path":"hdfs://localhost:8020/accumulo/tables/1t/default_tablet/A00007g1.rf","startRow":"","endRow":""} [] 293,2 + ``` ``` -$ /path/to/accumulo rfile-info -v hdfs://localhost/accumulo/tables/1t/default_tablet/A00007g1.rf +$ accumulo file rfile-info -v hdfs://localhost:8020/accumulo/tables/1t/default_tablet/A00007g1.rf RFile Version : 8 Locality group :