[jira] [Resolved] (KUDU-1052) TSTabletManager startup very slow with lots of orphaned blocks

["Todd Lipcon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-1052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon resolved KUDU-1052.
-------------------------------
       Resolution: Cannot Reproduce
    Fix Version/s: n/a

AFAIK this was fixed a while back

> TSTabletManager startup very slow with lots of orphaned blocks
> --------------------------------------------------------------
>
>                 Key: KUDU-1052
>                 URL: https://issues.apache.org/jira/browse/KUDU-1052
>             Project: Kudu
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: Private Beta
>            Reporter: Todd Lipcon
>            Priority: Critical
>             Fix For: n/a
>
>
> I'm restarting a TS with a couple hundred tablets on it. The TS had recently fallen on bad times, and had a bunch of tablets which probably were somehow in the process of deletion, etc. The TS is now taking a long time to start up in stacks like:
> Thread 1 (Thread 0x7fa8292c6860 (LWP 5893)):
> #0  0x00000032e52e189d in fdatasync () from /lib64/libc.so.6
> #1  0x00000000012352c5 in ?? ()
> #2  0x0000000001265054 in kudu::pb_util::WritablePBContainerFile::Sync() ()
> #3  0x00000000011fbdd8 in kudu::fs::LogBlockManager::DeleteBlock(kudu::BlockId const&) ()
> #4  0x00000000011f25f8 in kudu::FsManager::DeleteBlock(kudu::BlockId const&) ()
> #5  0x000000000085cd2d in kudu::tablet::TabletMetadata::DeleteOrphanedBlocks(std::vector<kudu::BlockId, std::allocator<kudu::BlockId> > const&) ()
> #6  0x000000000085ebff in kudu::tablet::TabletMetadata::LoadFromSuperBlock(kudu::tablet::TabletSuperBlockPB const&) ()
> #7  0x000000000085ee2e in kudu::tablet::TabletMetadata::LoadFromDisk() ()
> #8  0x000000000085f006 in kudu::tablet::TabletMetadata::Load(kudu::FsManager*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, scoped_refptr<kudu::tablet::TabletMetadata>*) ()
> #9  0x00000000006f584e in kudu::tserver::TSTabletManager::OpenTabletMeta(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, scoped_refptr<kudu::tablet::TabletMetadata>*) ()
> #10 0x00000000006fc246 in kudu::tserver::TSTabletManager::Init() ()
> #11 0x00000000006e3caf in kudu::tserver::TabletServer::Init() ()



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