| PATH | CURRENT VALUE | DEFAULT VALUE | MIN VALUE | MAX VALUE | IS HIDDEN | DESCRIPTION |
|---|
| /config/BufferCache/intOpts/MinZeroCopyBufferLength | 32 | 32 | 1 | 512 | Yes | Mininum length of buffer (in page) to start zero-copy |
| /config/Cpu/intOpts/FairnessFilterThreshold | 500 | 500 | 0 | 5000 | Yes | Skip fairness rebalance filtering if the vtime difference larger than this threshold (in ms) |
| /config/Cpu/intOpts/FairnessReadyMin | 20 | 20 | 0 | 1000 | Yes | Only do fairness rebalance for vcpus with ready time larger than this threshold (in ms) |
| /config/Cpu/intOpts/IdleFastForward | 0 | 0 | 0 | 10000 | Yes | fast-forward the vcpu's vcpuProgress if the idle time is more than this threshold |
| /config/Cpu/intOpts/PcpuMigrateIdleThreshold | 5 | 5 | 0 | 1000 | Yes | How often should pcpu idle migration be tried (in ms) |
| /config/Disk/intOpts/IdleCredit | 32 | 32 | 1 | 512 | No | Amount of idle credit that a VM can gain for IO requests |
| /config/Disk/intOpts/SchedQPriorityPercentage | 80 | 80 | 10 | 100 | No | Percentage of priority commands to serve from priority queue |
| /config/Disk/intOpts/SchedulerWithReservation | 0 | 0 | 0 | 1 | No | Disk IO scheduler (0 |
| /config/FT/intOpts/FTCptChecksumPages | 1 | 1 | 0 | 128000 | No | Number of pages for which debugging checksums are sent at each checkpoint, except that 0 disables checksum and 1 enables checksum for obj builds but disables checksum for non-obj builds. When checksum is enabled, all dirty pages are always selected for checksuming. Other checksum pages are selected randomly. Also send debugging checksums of group data if enabled. |
| /config/FT/intOpts/FTCptConcurrentSend | 1 | 1 | 0 | 1 | No | Send non-diff pages in parallel with diffing rather than after |
| /config/FT/intOpts/FTCptCopies | 0 | 0 | 0 | 100 | No | Send copies of some percentage of pages if nonzero |
| /config/FT/intOpts/FTCptDelayCheckpoint | 0 | 0 | 0 | 1 | No | Delay checkpoint if no network packet waiting |
| /config/FT/intOpts/FTCptDiffCap | 100 | 100 | 0 | 100 | No | Max percent pages via diffs (EXPERIMENTAL, failover will not work if not 100) |
| /config/FT/intOpts/FTCptDiffThreads | 4 | 4 | 1 | 16 | No | Number of threads for diffing pages |
| /config/FT/intOpts/FTCptDiffThreshold | 8 | 8 | 0 | 512 | No | Max diffs per page for diff sending |
| /config/FT/intOpts/FTCptDisableFailover | 0 | 0 | 0 | 1 | No | Disable failovers (useful for mixed CPU setups) |
| /config/FT/intOpts/FTCptDiskWriteTimeout | 3000 | 3000 | 10 | 60000 | No | Time in milliseconds for backup site to wait for a disk IO to complete |
| /config/FT/intOpts/FTCptDontDelayPkts | 0 | 0 | 0 | 1 | No | Don't delay network packets - for testing only |
| /config/FT/intOpts/FTCptDontSendPages | 0 | 0 | 0 | 1 | No | Don't send over modified pages - for testing only |
| /config/FT/intOpts/FTCptDontWaitForWrites | 1 | 1 | 0 | 1 | No | Don't wait for writes to be sent to backup before returnng completion |
| /config/FT/intOpts/FTCptEnableCbt | 0 | 0 | 0 | 1 | No | Enable CBT for disk re-syncing |
| /config/FT/intOpts/FTCptInterval | 10 | 10 | 1 | 30000 | No | Time in milliseconds between checkpoints |
| /config/FT/intOpts/FTCptLazyGroupSend | 0 | 0 | 0 | 1 | No | Send group data lazily during incremental checkpoints |
| /config/FT/intOpts/FTCptMaxDiffable | 2048 | 2048 | 0 | 4294967295 | No | Max amount of guest memory allowed to be diffed (in MB) |
| /config/FT/intOpts/FTCptMaxDirtyPages | 256000 | 256000 | 128 | 512000 | No | Max number of dirty pages in each checkpoint |
| /config/FT/intOpts/FTCptMaxPktsDelay | 0 | 0 | 0 | 10000 | No | Max number of packets in the delayed queue before forcing a checkpoint |
| /config/FT/intOpts/FTCptMinInterval | 4 | 4 | 2 | 1000 | No | Time in milliseconds to wait between two forced checkpoints |
| /config/FT/intOpts/FTCptNetDelayNoCpt | 0 | 0 | 0 | 5000 | No | Delay to impose on VM network output in ms |
| /config/FT/intOpts/FTCptNumConnections | 1 | 1 | 1 | 4 | No | # of data connections to use for page sending |
| /config/FT/intOpts/FTCptNumaIndex | 0 | 0 | 0 | 1 | No | Index dirty pages by NUMA node. Workers will use the index to prefer local work. |
| /config/FT/intOpts/FTCptPagePolicy | 65538 | 65538 | 1 | 65538 | No | Page placement policy for side data. < 2^16 |
| /config/FT/intOpts/FTCptPoweroff | 0 | 0 | 0 | 1 | No | Poweroff the primary after the next checkpoint |
| /config/FT/intOpts/FTCptRcvBufSize | 562140 | 562140 | 16384 | 1000000 | No | TCP receive buffer size for the backup |
| /config/FT/intOpts/FTCptReadTimeout | 8000 | 8000 | 10 | 10000 | No | Time in milliseconds for backup site to wait for data when reading from the socket |
| /config/FT/intOpts/FTCptSndBufSize | 562140 | 562140 | 16384 | 1000000 | No | TCP send buffer size for the primary |
| /config/FT/intOpts/FTCptStartTimeout | 20000 | 20000 | 100 | 60000 | No | Time in milliseconds for backup site to wait for data for the next checkpoint |
| /config/FT/intOpts/FTCptStatsInterval | 0 | 0 | 0 | 600 | No | If nonzero, force a flush of the kernel stats buffer in this many seconds |
| /config/FT/intOpts/FTCptThreadPolicy | 65536 | 65536 | 1 | 65537 | No | Policy for placing helper threads. < 2^16 |
| /config/FT/intOpts/FTCptVcpuMinUsage | 40 | 40 | 0 | 100 | No | VCPU usage in percentage below which the VM will be considered for forced checkpoint |
| /config/FT/intOpts/FTCptWaitOnSocket | 0 | 0 | 0 | 1 | No | Wait when socket is empty |
| /config/FT/intOpts/FTCptWriteTimeout | 8000 | 8000 | 10 | 10000 | No | Time in milliseconds for backup site to wait when writing data to the socket |
| /config/FT/strOpts/FTCptSecondDstIp | 0.0.0.0 | 0.0.0.0 | NA | NA | No | |
| /config/HBR/intOpts/ChecksumMaxContexts | 4 | 4 | 1 | 1024 | No | Maximum number of regions of the disk that we can we have checksums outstanding for at one time. |
| /config/HBR/intOpts/ChecksumNumBuffers | 8 | 8 | 1 | 1024 | No | Maximum number of buffers used to read data locally to compute checksums per disk. |
| /config/HBR/intOpts/ChecksumNumExtentsPerRegion | 128 | 128 | 1 | 4096 | No | Number of extents to checksum as a single transaction to minimize network latency impact on checksum performance. |
| /config/HBR/intOpts/CopySnapFidHashBuckets | 256 | 256 | 1 | 1024 | No | Number of hash buckets to use to track the snapshot disks open to copy to demand log. |
| /config/HBR/intOpts/CoypSnapDiskMaxExtentCount | 16 | 16 | 1 | 128 | No | Number of extents for a single snapshot disk that can be copied in parallel |
| /config/HBR/intOpts/DemandlogExtentHashBuckets | 512 | 512 | 1 | 65536 | No | Number of hash buckets to use to track extents that haven't been read. |
| /config/HBR/intOpts/DemandlogReadRetries | 20 | 20 | 0 | 1000 | No | Number of times we retry an internal read (for the demand log) before aborting the delta. |
| /config/HBR/intOpts/DemandlogRetryDelayMs | 10 | 10 | 0 | 100000 | No | Delay in milliseconds for retrying a demand log write. |
| /config/HBR/intOpts/DemandlogSendHashBuckets | 8 | 8 | 1 | 32 | No | Number of hash buckets to use to track extents that have been sent. |
| /config/HBR/intOpts/DemandlogWriteRetries | 20 | 20 | 0 | 1000 | No | Number of times we retry a demand log write before aborting the delta. |
| /config/HBR/intOpts/HbrMaxDiskLen | 2032 | 2032 | 1 | 16383 | No | Maximum number of gigabytes per-disk that can be supported. |
| /config/HBR/intOpts/HbrMaxUnmapExtents | 10 | 10 | 0 | 100000 | No | Maximum expected number of extents for SCSI UNMAP commands. |
| /config/HBR/intOpts/HbrMaxUnmapsInFlight | 128 | 128 | 0 | 1048576 | No | Maximum expected number of SCSI UNMAP commands in flight on a single disk. |
| /config/HBR/intOpts/MigrateFlushTimerSecs | 3 | 3 | 1 | 600 | No | Time between attempt to flush the state to the persistent file during migration. |
| /config/HBR/intOpts/NetworkerRecvHashBuckets | 64 | 64 | 1 | 65536 | No | Number of hash buckets to use to track commands waiting to receive a response. |
| /config/HBR/intOpts/ResourceServerHashBuckets | 8 | 8 | 1 | 65536 | No | Number of hash buckets to use to track remote HBR servers. |
| /config/HBR/intOpts/SyncTransferRetrySleepSecs | 5 | 5 | 1 | 600 | No | Time in seconds to wait after a failure before retrying a sync operation. |
| /config/HBR/intOpts/XferBitmapCheckIntervalSecs | 10 | 10 | 1 | 600 | No | Time in seconds to wait before checking the transfer bitmap for availability of dirty blocks. |
| /config/LSOM/intOpts/avgIOFragments | 512 | 512 | 3 | 1024 | No | Average IO fragments |
| /config/LSOM/intOpts/diskIoTimeout | 30000 | 30000 | 100 | 120000 | No | Disk IO timeout in msec |
| /config/LSOM/intOpts/enableRecovery | 0 | 0 | 0 | 1 | No | Enable LSOM Recovery |
| /config/LSOM/intOpts/fssIoTimeout | 30000 | 30000 | 100 | 120000 | No | VMFS IO timeout in msec |
| /config/LSOM/intOpts/maxIoRetries | 500 | 500 | 3 | 5000 | No | Max number of retries on transient errors |
| /config/LSOM/intOpts/maxQueudIos | 50000 | 50000 | 1000 | 100000 | No | System side max Queued IOs |
| /config/LSOM/intOpts/ssdIoTimeout | 30000 | 30000 | 100 | 120000 | No | SSD IO timeout in msec |
| /config/LVM/intOpts/LVMDelayedEventTimeoutMS | 3000 | 3000 | 0 | 10000 | Yes | Wait for LVMDelayedEventTimeoutMS before sending out device discovery VmkEvent. |
| /config/Mem/intOpts/MemSchedGrothStride | 32 | 32 | 1 | 256 | No | How much should the kmem pre-grow to prevent too much lock-contention. |
| /config/Mem/intOpts/MemSysSwapWaitForWorldDeath | 30000 | 30000 | 0 | 4294967295 | No | How long should we wait for a world to die in the system swap delete path (in ms). |
| /config/Mem/intOpts/ShareMaxChainLen | 128 | 128 | 64 | 1024 | No | Maximum pshare chain length |
| /config/Mem/intOpts/ShareMaxHintsChain | 64 | 64 | 32 | 512 | No | Maximum hints in a pshare chain |
| /config/Mem/intOpts/SwapRetryVMTimeout | 300 | 300 | 0 | 1800 | No | Time in seconds to retry VM swap IO, 0 for no retry |
| /config/Migrate/intOpts/DetectZeroPages | 1 | 1 | 0 | 1 | No | Whether vMotion should detect zero pages during page transmission |
| /config/Migrate/intOpts/SdpsDynamicDelaySec | 30 | 30 | 0 | 10000 | No | Delay, in seconds, between polling when considering enabling SDPS in the first preCopy iteration. |
| /config/Misc/intOpts/APDHandlingEnable | 1 | 1 | 0 | 1 | No | Enable Storage APD Handling [default |
| /config/Misc/intOpts/APDTimeout | 140 | 140 | 20 | 999999 | No | Number of seconds a device can be in APD before failing User World IO. |
| /config/Misc/intOpts/AsyncIoPanicOnAiowaitTimeout | 0 | 0 | 0 | 1 | Yes | Debug |
| /config/Misc/intOpts/FileDriverMaxDev | 64 | 64 | 32 | 256 | Yes | Max number of file-backed device (use power of 2). Reload filedriver to take effect. |
| /config/Misc/intOpts/KeepKernelDebugRegs | 0 | 0 | 0 | 1 | No | Track kernel-specific debug registers instead of per-world ones |
| /config/Misc/intOpts/TlbFCUnregisterForceFlush | 10 | 10 | 1 | 1000 | Yes | Force every n-th iteration a force flush during a TLB flush count unregister operation |
| /config/Misc/intOpts/WorldletOverrunTimeout | 0 | 0 | 0 | 500000 | Yes | Timeout for worldlets overrunning in microseconds |
| /config/Misc/intOpts/WorldletReadyTimeout | 0 | 0 | 0 | 5000 | Yes | Timeout for worldlets in WDT_READY state in milliseconds |
| /config/Misc/strOpts/DefaultHardwareVersion | | | NA | NA | No | Default Hardware Version |
| /config/Net/intOpts/BlockGuestBPDU | 0 | 0 | 0 | 1 | No | Block guest sourced BPDU frames |
| /config/Net/intOpts/CoalesceFineTimeoutCPU | 2 | 2 | 0 | 512 | No | Set which cpu the fine timer will run on |
| /config/Net/intOpts/CoalesceFineTxTimeout | 1000 | 1000 | 1 | 4294967295 | No | set the fine coalesce timeout in micro-seconds |
| /config/Net/intOpts/CoalesceRBCRate | 4000 | 4000 | 100 | 100000 | No | Target event rate for RateBasedCoalescing |
| /config/Net/intOpts/CoalesceTimeoutType | 2 | 2 | 1 | 2 | No | set the coalesce timeout type |
| /config/Net/intOpts/DVFilterPriorityRdLockEnable | 1 | 1 | 0 | 1 | No | Use priority locking in dvfilter to read lock portsets |
| /config/Net/intOpts/DVSLargeHeapMaxSize | 80 | 80 | 64 | 128 | No | Size (in Mbytes) of the dvsLargeHeap used during serialization/deserialization of dvSwitch and dvPort configs (Requires REBOOT) |
| /config/Net/intOpts/EtherswitchHeapMax | 86 | 86 | 86 | 2047 | No | Maximum size (in Megabytes) the etherswitch module can grow to. (REQUIRES REBOOT!) |
| /config/Net/intOpts/NetEnableSwCsumForLro | 1 | 1 | 0 | 1 | No | Whether enable software checksum for LRO |
| /config/Net/intOpts/NetEsxfwPassOutboundGRE | 1 | 1 | 0 | 1 | No | Whether outbound GRE traffic is passed by ESXi firewall. |
| /config/Net/intOpts/NetLatencyAwareness | 1 | 1 | 0 | 1 | No | Whether to check vm's latency settings or not for vmxnet2/3 |
| /config/Net/intOpts/NetMemcpyNT | 2 | 2 | 0 | 2 | Yes | Non temporal packet copy (0 to disable, 1 to enable, 2 unspecified) |
| /config/Net/intOpts/NetPktSlabFreePercentThreshold | 2 | 2 | 10 | 50 | No | Percent of free network memory pool, below which an event will be reported. |
| /config/Net/intOpts/NetSplitRxMode | 1 | 1 | 0 | 1 | No | Whether to enable automatic splitRxMode |
| /config/Net/intOpts/NetTraceEnable | 0 | 0 | 0 | 1 | No | Enable virtual network tracing |
| /config/Net/intOpts/TcpipDgramRateLimiting | 1 | 1 | 0 | 1 | No | Enable Tx rate limiting for UDP sockets |
| /config/Net/intOpts/TcpipLogPackets | 0 | 0 | 0 | 1 | No | Turns on packet logging for a vmknic on debug builds, in a circular & in-memory buffer (Takes effect during vmknic creation time) |
| /config/Net/intOpts/TcpipLogPacketsCount | 24570 | 24570 | 1024 | 49140 | No | Number of packets to log in the in-memory logger. 24570 packets take up about 1.2 MB, and Tx & Rx use separate buffers. (Takes effect during vmknic creation time) |
| /config/Net/intOpts/TcpipPendPktSocketFreeTimeout | 300 | 300 | 1 | 300 | No | Time Delay in seconds, for freeing UDP sockets that have pending packets for Tx completion |
| /config/Net/intOpts/TcpipSocketMax | 2000 | 2000 | 2000 | 20000 | Yes | Maximum number of sockets (REQUIRES REBOOT!) |
| /config/Net/intOpts/Vmxnet3WinIntrHints | 1 | 1 | 0 | 1 | No | whether intr hints are used for Windows vmxnet3. |
| /config/Net/strOpts/TrafficFilterIpAddress | | | NA | NA | No | DVFilter internal communication endpoint |
| /config/Numa/intOpts/PageMigBandwidthToRate | 1 | 1 | 1 | 1000 | Yes | bandwidth conversion to migration rate |
| /config/Numa/intOpts/PageMigWeightBatchMigrate | 1 | 1 | 0 | 10 | Yes | rate reduction factor for batch remapping |
| /config/Numa/intOpts/PageMigWeightDemandWrite | 1 | 1 | 0 | 10 | Yes | rate reduction factor for demand driven remapping or lpage promotion |
| /config/Numa/intOpts/PageMigWeightLocalRead | 0 | 0 | 0 | 100 | Yes | rate reduction for local reads |
| /config/Numa/intOpts/PageMigWeightLocalWrite | 0 | 0 | 0 | 100 | Yes | rate reduction for local writes |
| /config/Numa/intOpts/PageMigWeightRemoteRead | 1 | 1 | 0 | 100 | Yes | rate reduction for remote reads |
| /config/SE/intOpts/SEBMCacheSize | 0 | 0 | 0 | 512 | Yes | Size of Bitmap cache in sectors (defaults to 128) for every SE disk. |
| /config/SE/intOpts/SEBMReadAhead | 0 | 0 | 0 | 64 | Yes | Max. size of Bitmap cache read-ahead in sectors for every SE disk. |
| /config/SE/intOpts/SEDisableCommitOptimization | 0 | 0 | 0 | 1 | Yes | Disable commit optimization for SE Disks |
| /config/SE/intOpts/SEEnableDMForPCCopy | 0 | 0 | 0 | 1 | Yes | Enable usage of DM for Copy precommit actions for SE Disks |
| /config/SE/intOpts/SEEnableDataPCAction | 1 | 1 | 0 | 1 | Yes | Enable data IO during SEsparse precommit handler invocation |
| /config/SE/intOpts/SEEnableZeroSuppression | 1 | 1 | 0 | 1 | Yes | Enable zero grain suppression in the IO path |
| /config/SE/intOpts/SEGDCacheSize | 0 | 0 | 0 | 512 | Yes | Size of GD cache in sectors (defaults to 64) for every SE disk. |
| /config/SE/intOpts/SEGDReadAhead | 0 | 0 | 0 | 64 | Yes | Max. size of GD cache read-ahead in sectors (defaults to 0) for every SE disk. |
| /config/SE/intOpts/SEGTCacheSize | 0 | 0 | 0 | 512 | Yes | Size of GT cache in sectors (defaults to 64) for every SE disk. |
| /config/SE/intOpts/SEGTReadAhead | 0 | 0 | 0 | 64 | Yes | Max. size of GT cache read-ahead in sectors (defaults to 0) for every SE disk. |
| /config/SE/intOpts/SERMCacheSize | 0 | 0 | 0 | 512 | Yes | Size of Rmap cache in sectors (defaults to 64) for every SE disk. |
| /config/SE/intOpts/SERMReadAhead | 0 | 0 | 0 | 64 | Yes | Max. size of Rmap cache read-ahead in sectors for every SE disk. |
| /config/SE/intOpts/SEResForceSafeAllocation | 0 | 0 | 0 | 1 | Yes | Force safe-block allocation for data grains on SE disks. |
| /config/SE/intOpts/SEResSwiggleRetryCount | 30 | 30 | 1 | 50 | Yes | Number of retries to swiggle resource clusters. |
| /config/SE/intOpts/SETransientErrorRetryCount | 5 | 5 | 1 | 50 | Yes | Number of retries for transient errors |
| /config/SE/intOpts/SETransientRetryDelayMS | 200 | 200 | 1 | 500 | Yes | Delay between retries during transient errors |
| /config/Scsi/intOpts/FailVMIOonAPD | 0 | 0 | 0 | 1 | No | Fast fail VM IOs on APD Timeout. |
| /config/Scsi/intOpts/LogScsiAborts | 0 | 0 | 0 | 1 | No | Log SCSI abort errors and success. |
| /config/SunRPC/intOpts/AIOAffinity | 1 | 1 | 0 | 1 | Yes | Set async IO completion worldlet affinity |
| /config/SunRPC/intOpts/IndirectSend | 0 | 0 | 0 | 1 | Yes | Use indirect send |
| /config/SunRPC/intOpts/MaxConnPerIP | 4 | 4 | 1 | 128 | No | Max number of TCP/IP connection per IP |
| /config/SunRPC/intOpts/RPCConnTimeout | 15 | 15 | 5 | 360 | Yes | Time (in seconds) before we timeout a connect that has not completed and retry |
| /config/SunRPC/intOpts/SendLowat | 25 | 25 | 1 | 100 | No | Send buffer lowat (%) |
| /config/SunRPC/intOpts/UDPRetransmitDelay | 700 | 700 | 100 | 2000 | Yes | Time in milliseconds retransmitting a UDP RPC |
| /config/SunRPC/intOpts/WorldletAffinity | 2 | 2 | 0 | 3 | No | TX Affinity |
| /config/UserMem/intOpts/UserMemDefaultTouchdPct | 20 | 20 | 0 | 100 | Yes | Percentage of memory of a userworld that is considered touched if not better value is available. |
| /config/VMFS3/intOpts/AllowVMFSLOnSAN | 0 | 0 | 0 | 1 | Yes | Allow mounting of VMFSL on SAN LUN |
| /config/VMFS3/intOpts/EnablePbcIA | 0 | 0 | 0 | 1 | Yes | Enable PBC to grow and use Indirect Addressing mode (PB2 mode) |
| /config/VMFS3/intOpts/FlushFBOnFileDeletion | 0 | 0 | 0 | 1 | Yes | Flush FB resource cluster on file deletion |
| /config/VMFS3/intOpts/FlushFDOnFileDeletion | 1 | 1 | 0 | 1 | Yes | Flush FD resource cluster on file deletion |
| /config/VMFS3/intOpts/FlushPBOnFileDeletion | 0 | 0 | 0 | 1 | Yes | Flush PB resource cluster on file deletion |
| /config/VMFS3/intOpts/FlushRCOnFileCreation | 1 | 1 | 0 | 1 | Yes | Flush resource cluster on file creation |
| /config/VMFS3/intOpts/FlushSBOnFileDeletion | 0 | 0 | 0 | 1 | Yes | Flush SB resource cluster on file deletion |
| /config/VMFS3/intOpts/GBLAllowMW | 0 | 0 | 0 | 1 | Yes | Allow multi-writer GBLs. |
| /config/VMFS3/intOpts/GBLGenReadTimeoutMS | 10000 | 10000 | 5000 | 14000 | Yes | Timeout (in msecs) for reading the global generation. |
| /config/VMFS3/intOpts/GBLLockWaitTimeoutMS | 5000 | 5000 | 1000 | 30000 | Yes | Timeout (in msecs) for acquiring a GBL. |
| /config/VMFS3/intOpts/GBLRefreshReadTimeoutMS | 2000 | 2000 | 1000 | 10000 | Yes | Timeout (in msecs) for reading a GBL during refresh. |
| /config/VMFS3/intOpts/GBLRefreshWriteTimeoutMS | 3000 | 3000 | 1000 | 10000 | Yes | Timeout (in msecs) for writing a GBL during refresh. |
| /config/VMFS3/intOpts/GBLVerifyWaitTimeoutMS | 30000 | 30000 | 1000 | 60000 | Yes | Timeout (in msecs) for verifying a GBL. |
| /config/VMFS3/intOpts/HopResourceClusters | 0 | 0 | 0 | 0 | Yes | Emulate a FRAGMENTED filesystem by limiting the number blocks allocated from a resource cluster |
| /config/VMFS3/intOpts/SlowIOThreshold | 4 | 4 | 2 | 300 | Yes | Time in seconds beyond which meta data IO is flagged as slow |
| /config/VMFS3/intOpts/UseDMForSnap | 1 | 1 | 0 | 1 | Yes | Use the datamover to perform the native snapshot copying |
| /config/VMFS3/intOpts/UsePCCoalescing | 1 | 1 | 0 | 1 | Yes | Enable coalescing in journal PC actions. |
| /config/VProbes/intOpts/BigHeap | 0 | 0 | 0 | 1 | Yes | Select a bigger heap for VProbes storage. |
| /config/VProbes/intOpts/DaemonSSLEnable | 1 | 1 | 0 | 1 | Yes | Enable SSL/TLS encryption for all VProbed sockets |
| /config/World/intOpts/WorldTolerateStackAllocFailure | 0 | 0 | 0 | 1 | Yes | Tolerate that the allocation of a world stack can fail. This option has only an impact on debug builds. |
| /config/XvMotion/intOpts/AllocBlockTimeout | 20 | 20 | 0 | 60 | Yes | Timeout in seconds when waiting to alloc blocks |
| /config/XvMotion/intOpts/MaxNumReadIOs | 32 | 32 | 16 | 64 | Yes | Maximum number of outstanding read I/Os |
| /config/XvMotion/intOpts/MaxReadIOSize | 64 | 64 | 16 | 1024 | Yes | Maximum transfer size in KB per read I/O |
| /config/XvMotion/intOpts/VMFSOptimizations | 1 | 1 | 0 | 1 | No | Enable VMFS-specific IO optimizations |