What if the cache is not enough to hold one transaction's information

Hi, all,
I have the following concern:
If I make the cache to 100 mb, and in a single transaction, I inserted about several million records, I am wondering if this kind of process will cause problem? Before transaction.commit() gets called, I think all inserts will remains in the memory to be committed. So, if the cache has only 100mb, which is not enough to hold several million records, what will happen?
michael.

To add to what Charles said, if you have a single transaction that writes millions of records you will almost certainly run out of memory. The data is on disk and does not need to be in memory, but there is a lock for every record written that is stored in memory. The locks will fill up the cache and then the heap and you'll very likely get OutOfMemoryError. The rule with most database, and JE is no exception, is that transactions should be kept as small as possible. As Charles said, DeferredWrite is more appropriate for an initial load.
--mark

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@SourceCache/xnu/xnu-1504.3.12/osfmk/vm/vm_resident.c:823
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What is the new sap note for Ptax slabs of FY 2011-12.

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What if the cache is not enough to hold one transaction's information

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