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flush()

Addedv2.4.xModifiedv2.6.x

This operation flushes the streaming data onto the disk and seals the current segment.

public void flush(FlushReq request)

Request Syntax

flush(FlushReq.builder()
    .databaseName(String databaseName)
    .collectionNames(List<String> collectionNames)
    .waitFlushedTimeoutMs(Long waitFlushedTimeoutMs)
    .build()
);

BUILDER METHODS:

• databaseName(String databaseName) -

  The name of the database. Defaults to the current database if not specified.

• collectionNames(List<String> collectionNames) -

  A list of collection names.

• waitFlushedTimeoutMs(Long waitFlushedTimeoutMs) -

  The timeout in milliseconds to wait for flush completion.

RETURNS:

void

EXCEPTIONS:

• MilvusClientException

  This exception will be raised when any error occurs during this operation.

Example

import io.milvus.v2.client.ConnectConfig;
import io.milvus.v2.client.MilvusClientV2;
import io.milvus.v2.service.utility.request.FlushReq;

// 1. Set up a client
ConnectConfig connectConfig = ConnectConfig.builder()
        .uri("YOUR_CLUSTER_ENDPOINT")
        .token("YOUR_CLUSTER_TOKEN")
        .build();
        
MilvusClientV2 client = new MilvusClientV2(connectConfig);

// 2. Compact a collection
client.flush(FlushReq.builder()
    .collectionNames(Collections.singletonList("my_collection"))
    .build();
);