Shivam shivam-880
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shivam-880
/ ShapelessVectors.scala
Last active
July 23, 2022 09:09
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| private val allocator: BufferAllocator = new RootAllocator() | |
| private val schema: Schema = | |
| new Schema(List( | |
| new Field("id", new FieldType(false, new ArrowType.Int(32, true), null), null), | |
| new Field("username", new FieldType(false, new ArrowType.Utf8(), null), null), | |
| new Field("pro", new FieldType(false, new ArrowType.Bool(), null), null) | |
| ).asJava) |
shivam-880
/ AllocateNew.scala
Created
July 18, 2022 12:38
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| import org.apache.arrow.vector._ | |
| import shapeless.{::, Generic, HList, HNil} | |
| trait AllocateNew[T] { | |
| def allocateNew(vector: T): Unit | |
| } | |
| object AllocateNew { | |
| def apply[T](implicit derivative: AllocateNew[T]): AllocateNew[T] = |
shivam-880
/ UnpolymorphicVectors.scala
Created
July 18, 2022 12:09
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| val ls = List(1000, "iamsmkr", true) | |
| val vectors = List(id, username, pro) | |
| id.allocateNew() | |
| username.allocateNew() | |
| pro.allocateNew() | |
| id.setSafe(0, ls(0)) | |
| username.setSafe(0, ls(1)) |
shivam-880
/ PolymorphicVectors2.scala
Last active
July 19, 2022 06:15
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| private val allocator: BufferAllocator = new RootAllocator() | |
| private val schema: Schema = | |
| new Schema(List( | |
| new Field("id", new FieldType(false, new ArrowType.Int(32, true), null), null), | |
| new Field("username", new FieldType(false, new ArrowType.Utf8(), null), null), | |
| new Field("pro", new FieldType(false, new ArrowType.Bool(), null), null) | |
| ).asJava) |
shivam-880
/ PolymorphicVectors.scala
Last active
July 18, 2022 09:15
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| trait ValueVector { | |
| def allocateNew() | |
| } | |
| abstract class BaseFixedWidthVector extends ValueVector { | |
| def allocateNew() { | |
| // impl | |
| } | |
| } |
shivam-880
/ ServiceDiscoveryClose.scala
Created
July 8, 2022 14:00
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| Runtime.getRuntime.addShutdownHook(new Thread() { | |
| override def run(): Unit = { | |
| serviceDiscovery.close() | |
| client.close() | |
| } | |
| }) |
shivam-880
/ gist:13929aa9a5fa365a806d8c2ed69df699
Created
July 8, 2022 13:56
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| 127.0.0.1,8877,0 | |
| 127.0.0.1,8855,0 | |
| 127.0.0.1,8866,1 |
shivam-880
/ DiscoverServiceInstances.scala
Last active
July 8, 2022 13:52
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| import scala.jdk.CollectionConverters._ | |
| val services = serviceDiscovery.queryForInstances("flightServer").asScala | |
| services.foreach(i => { | |
| println(s"${i.getAddress},${i.getPort},${i.getPayload.partitionId}") | |
| }) |
shivam-880
/ ServiceDiscoveryWithoutSerializer.scala
Created
July 8, 2022 13:51
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| val ServiceDiscoveryAtomicPath = "/flightServers" | |
| val serviceDiscovery = | |
| ServiceDiscoveryBuilder | |
| .builder(classOf[ServiceDetail]) | |
| .client(zkClient) | |
| .basePath(ServiceDiscoveryAtomicPath) | |
| .build() | |
| serviceDiscovery.start() |
shivam-880
/ Service.sh
Last active
July 8, 2022 13:43
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| % /opt/zookeeper/current/bin/zkCli.sh | |
| [zk: localhost:2181(CONNECTED) 3] ls /flightServers/flightServer | |
| [978ead9a-64d3-4080-9163-235cf99fe1b9, a89b2126-27cb-43c2-a687-2d8d57d74077, d87c5515-4d26-46fa-bc02-06edcc04f86a] | |
| [zk: localhost:2181(CONNECTED) 4] get /flightServers/flightServer/978ead9a-64d3-4080-9163-235cf99fe1b9 | |
| { | |
| "name": "flightServer", | |
| "id": "978ead9a-64d3-4080-9163-235cf99fe1b9", | |
| "address": "127.0.0.1", | |
| "port": 8877, |
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