[Magento ]Deadlock in reindex issues

With Big  numbers of product, we must config 2 price reindex(product price, promo catalog price ) as widely separated

/app/code/core/Mage/Catalog/Model/Observer.php

   <crontab>

       <jobs>

           <catalog_product_index_price_reindex_all>

               <schedule>

                   <cron_expr>0 2 * * *</cron_expr>

               </schedule>

               <run>

                   <model>catalog/observer::reindexProductPrices</model>

               </run>

           </catalog_product_index_price_reindex_all>

       </jobs>

   </crontab>

/app/code/core/Mage/CatalogRule/Model/Observer.php

       <jobs>

           <catalogrule_apply_all>

               <schedule>

                   <cron_expr>0 1 * * *</cron_expr>

               </schedule>

               <run>

                   <model>catalogrule/observer::dailyCatalogUpdate</model>

               </run>

           </catalogrule_apply_all>

       </jobs>