SStables: put memtable replay_position in metadata on write
SStables: put memtable replay_position in metadata on write

gwicke/scylla,linearregression/scylla,victorbriz/scylla,duarten/scylla,respu/scylla,wildinto/scylla,stamhe/scylla,eklitzke/scylla,guiquanz/scylla,duarten/scylla,acbellini/scylla,senseb/scylla,wildinto/scylla,senseb/scylla,kjniemi/scylla,tempbottle/scylla,justintung/scylla,tempbottle/scylla,scylladb/scylla,bowlofstew/scylla,phonkee/scylla,asias/scylla,capturePointer/scylla,wildinto/scylla,acbellini/scylla,asias/scylla,scylladb/scylla,respu/scylla,glommer/scylla,avikivity/scylla,bowlofstew/scylla,eklitzke/scylla,kangkot/scylla,guiquanz/scylla,senseb/scylla,kjniemi/scylla,phonkee/scylla,kangkot/scylla,tempbottle/scylla,aruanruan/scylla,raphaelsc/scylla,eklitzke/scylla,asias/scylla,phonkee/scylla,rentongzhang/scylla,gwicke/scylla,victorbriz/scylla,aruanruan/scylla,justintung/scylla,rluta/scylla,dwdm/scylla,acbellini/scylla,raphaelsc/scylla,dwdm/scylla,kangkot/scylla,gwicke/scylla,raphaelsc/scylla,stamhe/scylla,capturePointer/scylla,shaunstanislaus/scylla,respu/scylla,avikivity/scylla,linearregression/scylla,bowlofstew/scylla,guiquanz/scylla,rluta/scylla,victorbriz/scylla,scylladb/scylla,duarten/scylla,capturePointer/scylla,rentongzhang/scylla,dwdm/scylla,rentongzhang/scylla,justintung/scylla,glommer/scylla,stamhe/scylla,shaunstanislaus/scylla,shaunstanislaus/scylla,avikivity/scylla,aruanruan/scylla,linearregression/scylla,scylladb/scylla,rluta/scylla,glommer/scylla,kjniemi/scylla