… hash indexes require that the prefix is stored in every record R. An adaptive hash index…takes into account page position in btree index ? HT: No. It is a pure …and it would write at 100MBps vs 33MBps. Any plans to enable …ha_innodb.cc in 5.1: static MYSQL_SYSVAR_ULONG(thread_concurrency, srv_thread…
Post: To UUID or not to UUID ?
March 13, 2007 By 28 Comments
…of index tree not fitting into memory. This is not simply the case of 32 bytes vs …completely separate problem which can be fixed in MySQL 5.1 Data Clustering This again applies …BTREE index. This is actually the reason why UUID can do much better than SHA1 as Kevin proposes in the same post – hashes…
