solana/docs/src/validator/tvu.md

---
title: TVU
---

TVU (Transaction Validation Unit) is the logic of the validator
responsible for validating and propagating blocks and processing
those blocks' transactions through the runtime.

![TVU Block Diagram](/img/tvu.svg)

## Retransmit Stage

![Retransmit Block Diagram](/img/retransmit_stage.svg)
Move from gitbook to docusaurus, build docs in Travis CI (#10970) * fix: ignore unknown fields in more RPC responses * Remove mdbook infrastructure * Delete gitattributes and other theme related items Move all docs to /docs folder to support Docusaurus * all docs need to be moved to /docs * can be changed in the future Add Docusaurus infrastructure * initialize docusaurus repo Remove trailing whitespace, add support for eslint Change Docusaurus configuration to support `src` * No need to rename the folder! Change a setting and we're all good to go. * Fixing rebase items * Remove unneccessary markdown file, fix type * Some fonts are hard to read. Others, not so much. Rubik, you've been sidelined. Roboto, into the limelight! * As much as we all love tutorials, I think we all can navigate around a markdown file. Say goodbye, `mdx.md`. * Setup deployment infrastructure * Move docs job from buildkite to travic * Fix travis config * Add vercel token to travis config * Only deploy docs after merge * Docker rust env * Revert "Docker rust env" This reverts commit f84bc208e807aab1c0d97c7588bbfada1fedfa7c. * Build CLI usage from docker * Pacify shellcheck * Run job on PR and new commits for publication * Update README * Fix svg image building * shellcheck Co-authored-by: Michael Vines <mvines@gmail.com> Co-authored-by: Ryan Shea <rmshea@users.noreply.github.com> Co-authored-by: publish-docs.sh <maintainers@solana.com> 2020-07-10 22:11:07 -07:00			`---`
			`title: TVU`
			`---`
GitBook: [master] 156 pages and 12 assets modified 2019-09-22 20:38:34 -07:00
TPU and TVU docs changes (#30301) * docs: add tpu and tvu to terminology * docs: add brief description to tvu doc 2023-02-15 16:34:32 -08:00			`TVU (Transaction Validation Unit) is the logic of the validator`
Fix docs typos (#32364) fix docs typos 2023-07-03 05:52:31 -07:00			`responsible for validating and propagating blocks and processing`
TPU and TVU docs changes (#30301) * docs: add tpu and tvu to terminology * docs: add brief description to tvu doc 2023-02-15 16:34:32 -08:00			`those blocks' transactions through the runtime.`

Move from gitbook to docusaurus, build docs in Travis CI (#10970) * fix: ignore unknown fields in more RPC responses * Remove mdbook infrastructure * Delete gitattributes and other theme related items Move all docs to /docs folder to support Docusaurus * all docs need to be moved to /docs * can be changed in the future Add Docusaurus infrastructure * initialize docusaurus repo Remove trailing whitespace, add support for eslint Change Docusaurus configuration to support `src` * No need to rename the folder! Change a setting and we're all good to go. * Fixing rebase items * Remove unneccessary markdown file, fix type * Some fonts are hard to read. Others, not so much. Rubik, you've been sidelined. Roboto, into the limelight! * As much as we all love tutorials, I think we all can navigate around a markdown file. Say goodbye, `mdx.md`. * Setup deployment infrastructure * Move docs job from buildkite to travic * Fix travis config * Add vercel token to travis config * Only deploy docs after merge * Docker rust env * Revert "Docker rust env" This reverts commit f84bc208e807aab1c0d97c7588bbfada1fedfa7c. * Build CLI usage from docker * Pacify shellcheck * Run job on PR and new commits for publication * Update README * Fix svg image building * shellcheck Co-authored-by: Michael Vines <mvines@gmail.com> Co-authored-by: Ryan Shea <rmshea@users.noreply.github.com> Co-authored-by: publish-docs.sh <maintainers@solana.com> 2020-07-10 22:11:07 -07:00			`![TVU Block Diagram](/img/tvu.svg)`
GitBook: [master] 156 pages and 12 assets modified 2019-09-22 20:38:34 -07:00
Add retransmit_stage diagram (#8645) 2020-03-05 10:12:02 -08:00			`## Retransmit Stage`

Move from gitbook to docusaurus, build docs in Travis CI (#10970) * fix: ignore unknown fields in more RPC responses * Remove mdbook infrastructure * Delete gitattributes and other theme related items Move all docs to /docs folder to support Docusaurus * all docs need to be moved to /docs * can be changed in the future Add Docusaurus infrastructure * initialize docusaurus repo Remove trailing whitespace, add support for eslint Change Docusaurus configuration to support `src` * No need to rename the folder! Change a setting and we're all good to go. * Fixing rebase items * Remove unneccessary markdown file, fix type * Some fonts are hard to read. Others, not so much. Rubik, you've been sidelined. Roboto, into the limelight! * As much as we all love tutorials, I think we all can navigate around a markdown file. Say goodbye, `mdx.md`. * Setup deployment infrastructure * Move docs job from buildkite to travic * Fix travis config * Add vercel token to travis config * Only deploy docs after merge * Docker rust env * Revert "Docker rust env" This reverts commit f84bc208e807aab1c0d97c7588bbfada1fedfa7c. * Build CLI usage from docker * Pacify shellcheck * Run job on PR and new commits for publication * Update README * Fix svg image building * shellcheck Co-authored-by: Michael Vines <mvines@gmail.com> Co-authored-by: Ryan Shea <rmshea@users.noreply.github.com> Co-authored-by: publish-docs.sh <maintainers@solana.com> 2020-07-10 22:11:07 -07:00			`![Retransmit Block Diagram](/img/retransmit_stage.svg)`