# MinIO Server Limits Per Tenant

For optimal production setup MinIO recommends Linux kernel version 4.x and later.

## Erasure Code (Multiple Drives / Servers)

| Item                                                            | Specification |
|:----------------------------------------------------------------|:--------------|
| Maximum number of servers per cluster                           | no-limit      |

        // When both are enabled, batch limits should be available
        int limit = config.getBatchLimit("TreeConnectAndX.QueryInformation");
        assertTrue(limit >= 0, "Batch limit should be non-negative when Unicode and batching enabled");
    }

    /**
     * Test configuration when batching is disabled
     */
    @Test
    @DisplayName("Batch limit configuration with batching disabled")

    }

    /**
     * Set the key rotation bytes limit
     *
     * @param limit number of bytes to encrypt before rotating keys
     */
    public void setKeyRotationBytesLimit(long limit) {
        this.keyRotationBytesLimit = limit;
    }

    /**
     * Set the key rotation time limit
     *
     * @param limit time in milliseconds before rotating keys
     */

        // Make many attempts to trigger global rate limit
        for (int i = 1; i <= 20; i++) {
            assertTrue(rateLimiter.checkAttempt("user" + i, "192.168.1." + i), "Attempt " + i + " should be allowed");
        }

        // 21st attempt should be blocked by global rate limit
        assertFalse(rateLimiter.checkAttempt("user21", "192.168.1.21"), "Should block after global rate limit");
    }

    @Test

            return "Free up disk space or use a different location";
        case QUOTA:
            return "Contact administrator to increase quota limits";
        case LOCK:
            return "Release existing locks or wait for them to be released";
        case BUFFER:
            return "Reduce buffer usage or increase buffer pool size";
        case THREAD_POOL:
            return "Reduce concurrent operations or increase thread pool size";

 *
 * Performance optimizations:
 * - Uses ConcurrentLinkedQueue for O(1) operations
 * - Lock-free operations for better concurrency
 * - Proper buffer validation and limits
 */
public class BufferCache {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private BufferCache() {
        // Utility class - not instantiable
    }

        double noneRatio = compressionService.estimateCompressionRatio(testData, CompressionService.COMPRESSION_NONE);
        assertEquals(1.0, noneRatio, 0.001);
    }

    @Test
    @DisplayName("Test configuration limits")
    public void testConfigurationLimits() {
        assertTrue(compressionService.getMinCompressionSize() > 0);
        assertTrue(compressionService.getMaxCompressionSize() > compressionService.getMinCompressionSize());

                return false;
            }

            // Check if we've exceeded time limits
            long totalElapsed = System.currentTimeMillis() - exception.getOperationStartTime();
            if (totalElapsed > maxDelayMs * maxAttempts) {
                log.debug("Retry time limit exceeded for operation");
                return false;
            }

            return true;
        }

     * 3 = SMB_COM_DELETE
     * 4 = SMB_COM_DELETE_DIRECTORY
     * 5 = SMB_COM_OPEN_ANDX
     * 6 = SMB_COM_RENAME
     * 7 = SMB_COM_TRANSACTION
     * 8 = SMB_COM_QUERY_INFORMATION
     */

    /* All batch limits are single batch only until further notice
     */

    private static byte[] batchLimits = { 1, 1, 1, 1, 1, 1, 1, 1, 0 };

    static {

import org.junit.jupiter.api.Test;

/**
 * Unit tests for the Trans2FindNext2 class.
 */
class Trans2FindNext2Test {

    /**
     * Verifies constructor initializes protocol fields and limits correctly.
     */
    @Test
    void testConstructorInitializesFields() {
        // Given
        int sid = 0x2222;
        int resumeKey = 0x12345678;
        String filename = "dir\\pattern*";