, this isn't fast as I have insert upto 40k/sec records in mysql from same system but for Impala I believe it works differently and somewhere my lack of understanding/knowledge is part of the problem.I cannot use INSERT ... SELECT or LOAD as I will be getting live data into variables...
commit or lock wait timeout : dupe key error) A PK supremum lock blocks all new INSERT/rows, which is why severity S2. This specific issue (PK supremum lock) was mentioned inbug 68021, but it seems to have gotten lost in the details. All locks are released on commit, but apps don'...
类似READ-COMMITTED事务隔离级别,启用innodb_locks_unsafe_for_binlog也会带来“幻影问题(phantom problem)”,但除此之外,它还能带来如下特性: (1)对UPDATE或DELETE语句来说,InnoDB仅锁定需要更新或删除的行,对不能够被WHERE条件匹配的行施加的锁会在条件检查后予以释放。这可以有效地降低死锁出现的概率; (2)执行UPDA...
Recordlock,heapno313PHYSICAL RECORD: n_fields2;compact format;info bits00: len16;hex45504c34343138303834393836363939;ascxxx;;1: len8;hex80000404aa62df4b;ascb K;;***(2)TRANSACTION:TRANSACTION385752158,ACTIVE0sec inserting mysqltablesinuse2,locked25lockstruct(s),heap size1136,3rowlock(s),undo log...
Still there is one problem with this solution. Consider a scenario where you want to insert half million records into database using batch. Well, that may generateOutOfMemoryError: java.lang.OutOfMemoryError: Java heap space com.mysql.jdbc.ServerPreparedStatement$BatchedBindValues.<init>(ServerPr...
Fixes a heap corruption issue that occurs in IIS 7.5 This issue occurs when a module calls the InsertEntityBody method.
Case statement with Between in Where Clause Case statement with Date Comparison CASE statement with substring CASE WHEN - Adding collate into it. Case WHEN and concatenate string CASE WHEN isnumeric(ColValue) THEN ... ELSE ... END CASE WHEN MIN,SUM ETC. CASE WHEN Problem with CASE NULL cas...
DTS_E_TXAGG_HASHNODEHEAP_CREATEERR DTS_E_TXAGG_HASHNODEHEAP_MALLOCERR DTS_E_TXAGG_HASHTABLE_MALLOCERR DTS_E_TXAGG_INPUTNOTFOUNDFOROUTPUT DTS_E_TXAGG_INPUTOUTPUTDATATYPEMISMATCH DTS_E_TXAGG_INVALIDINPUTDATATYPEFORAGGREGATE DTS_E_TXAGG_INVALIDOUTPUTDATATYPEFORAGGREGAT...
Can Struct stored in heap?! can VB & C# to be used in same project? Can we add derived class object to base class object? Can we change the return type of a method during overriding in c# Can we const with String.Format Can we create multiple sql connection object from multiple thread...
Still there is one problem with this solution. Consider a scenario where you want to insert half million records into database using batch. Well, that may generate OutOfMemoryError: java.lang.OutOfMemoryError: Java heap space com.mysql.jdbc.ServerPreparedStatement$BatchedBindValues.<init>(Server...