Serapheim Dimitropoulos

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  • Registered on: 2014-11-19
  • Last connection: 2018-05-07


Reported issues: 26


10:37 PM illumos gate Bug #9591 (New): ms_shift can be incorrectly changed in MOS config for indirect vdevs that have b...


05:03 PM illumos gate Feature #9580: Add a hash-table on top of nvlist to speed-up operations
A patch for this feature is available in .
Copying the analysis here for...
04:12 PM illumos gate Feature #9580 (New): Add a hash-table on top of nvlist to speed-up operations
While dealing with another performance issue (see


04:17 PM illumos gate Bug #8377: Panic in bookmark deletion
For completeness, here is the stack of the failure for this issue:
panic message: assertion failed...


04:35 PM illumos gate Bug #9521 (Closed): Add checkpoint field in the default list of the zpool-list man page
The default list of fields in the zpool list man page is missing *checkpoint*.


03:21 PM illumos-userland Feature #9437 (New): Improve I/O performance of metaslab spacemaps with a log spacemap
Reading metaslab space maps from disk is slow as the current block size is 4KB. In addition, in big vdevs where each ...


11:54 PM illumos gate Feature #9238 (Closed): ZFS Spacemap Encoding V2
The current space map encoding has the following disadvantages:
[1] Assuming 512 sector size each entry can represen...


04:05 PM illumos gate Feature #9166 (Closed): zfs storage pool checkpoint
The idea of Storage Pool Checkpoint (aka zpool checkpoint) deals with exactly that. It can be thought of as a “pool-w...


05:56 PM illumos gate Bug #9091 (Closed): MDB smart-write
Currently, if you want to write to a kernel tunable using
mdb, you need to use the /Z or /W flags to write 8 or 4


11:02 PM illumos gate Bug #9081 (New): panic due to dirtying pool after the spa_final_txg during pool export/destroy
Igor Kozhukhov ( hit a panic recently while trying to destroy a pool.
The relevant stacks can b...

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