# Erasure code sizing guide

## Toy Setups

Capacity constrained environments, MinIO will work but not recommended for production.

| servers | drives (per node) | stripe_size | parity chosen (default) | tolerance for reads (servers) | tolerance for writes (servers) |
|--------:|------------------:|------------:|------------------------:|------------------------------:|-------------------------------:|

     */
    public boolean isDeleted() {
        return isUpdated() && newInputs.length == 0;
    }

    /**
     * Sorts both the current inputs and new inputs arrays in place.
     * This ensures consistent ordering for comparison and equality operations.
     */
    public void sort() {
        if (inputs != null) {
            Arrays.sort(inputs);
        }
        if (newInputs != null) {

        assertNotNull(buffer, "Buffer should not be null");
        assertEquals(SmbComTransaction.TRANSACTION_BUF_SIZE, buffer.length, "Buffer should have TRANSACTION_BUF_SIZE");

        // The validation in getBuffer() ensures size is within bounds (0 < size <= 1MB)
        assertTrue(buffer.length > 0, "Buffer size should be positive");
        assertTrue(buffer.length <= 0x100000, "Buffer size should not exceed 1MB");
    }

    /**

     * since it represents a POM file that is actively being built and may change during the build process.
     * <p>
     * The request-scoped retention policy ensures that:
     * <ul>
     *   <li>Changes to the POM file during the build are detected</li>
     *   <li>Cache entries don't persist beyond the current build request</li>

 */
public enum DirectoryCacheScope {
    /**
     * Cache only direct children of the directory
     */
    IMMEDIATE_CHILDREN,

    /**
     * Cache entire subtree recursively (if supported by server)
     */
    RECURSIVE_TREE,

    /**
     * Cache only file attributes but not content
     */
    METADATA_ONLY,

    /**

	"encoding/xml"
	"fmt"
	"io"
	"net/http"
	"net/http/httptest"
	"strconv"
	"testing"

	"github.com/minio/minio/internal/auth"
)

// Wrapper for calling RemoveBucket HTTP handler tests for both Erasure multiple disks and single node setup.
func TestRemoveBucketHandler(t *testing.T) {
	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testRemoveBucketHandler, endpoints: []string{"RemoveBucket"}})
}

		{serverType: "ErasureSD", signer: signerV4},
		// Init and run test on ErasureSD backend, with tls enabled.
		{serverType: "ErasureSD", signer: signerV4, secure: true},
		// Init and run test on Erasure backend.
		{serverType: "Erasure", signer: signerV4},
		// Init and run test on ErasureSet backend.
		{serverType: "ErasureSet", signer: signerV4},
	}
	testCases := []*TestSuiteIAM{}
	for _, bt := range baseTestCases {

import java.lang.reflect.Method;
import java.nio.channels.FileChannel.MapMode;
import java.nio.charset.CharsetEncoder;
import org.jspecify.annotations.NullUnmarked;

/**
 * Basic sanity tests for the entire package.
 *
 * @author Ben Yu
 */

@NullUnmarked
public class PackageSanityTests extends AbstractPackageSanityTests {
  public PackageSanityTests() {
    setDefault(BaseEncoding.class, BaseEncoding.base64());

const (
	None Fault = iota
	MissingContentLength
	TooBigObject
	TooBigDecodedLength
	BadSignature
	BadMD5
	MissingUploadID
)

// Wrapper for calling HeadObject API handler tests for both Erasure multiple disks and FS single drive setup.
func TestAPIHeadObjectHandler(t *testing.T) {
	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testAPIHeadObjectHandler, endpoints: []string{"HeadObject"}})
}

     * shouldn't)
     *
     * Our solution is for threads to CAS seenExceptionsField from null to a Set populated with _the
     * initial exception_, no matter which thread does the work. This ensures that
     * seenExceptionsField always contains not just the current thread's exception but also the
     * initial thread's.
     */
    Set<Throwable> seenExceptionsLocal = seenExceptionsField;