[Meta] [EuiDataGrid] data grid performance

[chandlerprall]

Meta issue for tracking/organizing data grid performance.

• Need to document what props, if they change, trigger full re-renders [EuiDataGrid] Document what props cause rows to re-render #3518
• Full screen has lagging UI [EuiDataGrid] Fullscreen browser rendering performance in Chrome  #3705
• Virtualization [EuiDataGrid] Virtualization #4170
• Track re-computing / re-rendering [EuiDataGrid] track re-renders from hooks #4294
• Collapse the accessibility elements into aria attributes

The biggest lag/performance impact observed has been during cell creation, including pagination but especially during the initial mount & rendering. A few thoughts:

• On pagination, right now cells are explicitly unmounted & re-created - virtualization(WIP) might already resolve this
• From looking at devtool profiling, DOM element creation by React is expensive, and every cell is very DOM intensive
• When using the provided in-memory operations every cell is rendered in an unmounted document fragment. Is anything optimizable in this process?

[github-actions]

👋 Hi there - this issue hasn't had any activity in 6 months. If the EUI team has not explicitly expressed that this is something on our roadmap, it's unlikely that we'll pick this issue up. We would sincerely appreciate a PR/community contribution if this is something that matters to you! If not, and there is no further activity on this issue for another 6 months (i.e. it's stale for over a year), the issue will be auto-closed.

[github-actions]

❌ Per our previous message, this issue is auto-closing after having been open and inactive for a year. If you strongly feel this is still a high-priority issue, or are interested in contributing, please leave a comment or open a new issue linking to this one for context.