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PlainTableReader to expose index size to users

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Summary:
This is a temp solution to expose index sizes to users from PlainTableReader before we persistent them to files.
In this patch, the memory consumption of indexes used by PlainTableReader will be reported as two user defined properties, so that users can monitor them.

Test Plan:
Add a unit test.
make all check`

Reviewers: haobo, ljin

Reviewed By: haobo

CC: nkg-, yhchiang, igor, ljin, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D18195
This commit is contained in:
sdong
2014-04-22 18:31:55 -07:00
parent 1068d2fa60
commit 86a0133d05
4 changed files with 34 additions and 7 deletions
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2
include/rocksdb/table_properties.h
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@@ -23,7 +23,7 @@ namespace rocksdb {
// ++pos) {
// ...
// }
typedef std::map<std::string, std::string> UserCollectedProperties;
typedef std::map<const std::string, std::string> UserCollectedProperties;
// TableProperties contains a bunch of read-only properties of its associated
// table.