Reduce allocations in AsyncTaskIndexService#142290

DaveCTurner merged 5 commits intoelastic:mainelastic/elasticsearch:mainfrom

DaveCTurner:2026/02/11/AsyncTaskIndexService-INITIAL_BUFFERDaveCTurner/elasticsearch:2026/02/11/AsyncTaskIndexService-INITIAL_BUFFERCopy head branch name to clipboard