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TestNet 0.8.4

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@alexeykiselev alexeykiselev released this 30 Oct 15:52
v0.8.4
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TestNet 0.8.4

In this release we introduce optimizations to minimize memory footprint:

  • Configuration setting to turn off transactions storage, that allows saving space in memory and on disk
  • In-memory state was reimplemented in order to reduce memory consumption
  • MVStore's page size was decreased to 4Kb

New settings in waves.conf:

  • waves.mvstore-page-split-size - allows to change size of MVStore in-memory pages, default value 4096 bytes
  • waves.blockchain.store-transactions-in-state - allows to switch transactions storage in state, default value "on"
  • waves.blockchain.in-memory-chunk-size - sets the size of in-memory blocks window, the smaller value reduces the memory footprint, default value is 5
  • waves.blockchain.in-mem-chunks-amount - number of in-memory windows, default value is 10, the fast rollback is possible up to in-memory-chunk-size * in-mem-chunks-amount blocks

We recommend to set Xmx parameter to 4G in case of transaction storage turned on, and 2G if you switched off transactions storage.

WARNING

Then transactions storage is turned off some API method calls could produce invalid results. We will fix it later.

NOTE

When updating from version 0.8.x, there's no need to delete blockchain or state files, just update executables. If you are updating from earlier versions, please be sure to read 0.8.0 release notes.

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