Slow operation observed for _txc_committed_kv
WebbDescription of problem: We have report on performance regression after upgrading cluster from RHCS 3.3 to RHCS 4.1z2, it was found out it is related with bluefs_buffered_io now … Webb5 feb. 2024 · All the brokers are running at that point of time and only thing observed is - under-replication Here’s the output of the describe command : Topic: __consumer ...
Slow operation observed for _txc_committed_kv
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Webb8 feb. 2024 · I tried many things found on Google to solve the problem but nothing helped: Moved Ceph VMs from SSD drive to HDD drive and back. Increased memory to 4 GB on … WebbStatus changed from Pending Backport to Resolved. While running with --resolve-parent, the script "backport-create-issue" noticed that all backports of this issue are in status …
http://ask.cvxr.com/t/the-problem-is-disciplined-convex-programming-error-cannot-perform-the-operation-positive-constant-convex/8786 WebbSTATE_KV_DONE _txc_committed_kv STATE_DEFERRED_QUEUED _deferred_queue/ _kv_finalize_thread STATE_DEFERRED_CLEANUP _txc_finish STATE_DONE. BlueStore –big write • No journal is needed. • Customer data is written into a new space. • Return to OSD when metadata is written into RocksDB.
Webbstate_kv_commiting_lat耗时表示的是txc->log_state_latency(logger, l_bluestore_state_kv_queued_lat)到txc->log_state_latency(logger, l_bluestore_state_kv_committing_lat)阶段的耗时,所以分析这之间的程序语句。这个阶段也包括线程切换。 仔细查看该阶段代码,始终没想出来哪个地方会耗时这么多。 Webb一个osd进程默认有且只有一个finisher线程,顾名思义它是一个终结者。 问题开始的地方,如下: …
WebbThe first open operation of a shared file does not place the file under commitment control, but subsequent open operations of the same shared file do. The record lock limit for the job is reached in a single transaction. The program issues a read operation, a commit operation, and a change to the same record.
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