What happened?

{
"blocks" : 63415,
"currentblocksize" : 90506,
"currentblocktx" : 1,
"errors" : "",
"generate" : true,
"genproclimit" : 4,
"primespersec" : 957,
"pooledtx" : 1,
"testnet" : false
}
PPS dropped by 500% and blocksize went up from 1000 to 90506?
Spam transactions.