Public Member Functions | Data Fields

RamCacheCLFUS Struct Reference

Inherits RamCache.

Collaboration diagram for RamCacheCLFUS:
Collaboration graph
[legend]

Public Member Functions

int get (INK_MD5 *key, Ptr< IOBufferData > *ret_data, uint32_t auxkey1=0, uint32_t auxkey2=0)
int put (INK_MD5 *key, IOBufferData *data, uint32_t len, bool copy=false, uint32_t auxkey1=0, uint32_t auxkey2=0)
int fixup (INK_MD5 *key, uint32_t old_auxkey1, uint32_t old_auxkey2, uint32_t new_auxkey1, uint32_t new_auxkey2)
void init (int64_t max_bytes, Vol *vol)
 DList (RamCacheCLFUSEntry, hash_link)*bucket
 Que (RamCacheCLFUSEntry, lru_link) lru[2]
void compress_entries (EThread *thread, int do_at_most=INT_MAX)
void resize_hashtable ()
void victimize (RamCacheCLFUSEntry *e)
void move_compressed (RamCacheCLFUSEntry *e)
RamCacheCLFUSEntry * destroy (RamCacheCLFUSEntry *e)
void requeue_victims (RamCacheCLFUS *c, Que(RamCacheCLFUSEntry, lru_link)&victims)
void tick ()
 RamCacheCLFUS ()

Data Fields

int64_t max_bytes
int64_t bytes
int64_t objects
Vol * vol
int64_t history
int ibuckets
int nbuckets
uint16_t * seen
int ncompressed
RamCacheCLFUSEntry * compressed

Detailed Description

Definition at line 69 of file RamCacheCLFUS.cc.

Constructor & Destructor Documentation

RamCacheCLFUS::RamCacheCLFUS (  )  [inline]

Definition at line 98 of file RamCacheCLFUS.cc.

Member Function Documentation

void RamCacheCLFUS::compress_entries ( EThread *  thread,
int  do_at_most = INT_MAX 
)

Definition at line 356 of file RamCacheCLFUS.cc.

References ats_free(), ats_malloc(), RamCacheCLFUSEntry::auxkey1, RamCacheCLFUSEntry::auxkey2, bytes, CACHE_COMPRESSION_FASTLZ, CACHE_COMPRESSION_LIBLZMA, CACHE_COMPRESSION_LIBZ, cache_config_ram_cache_compress, cache_config_ram_cache_compress_percent, cache_ram_cache_bytes_stat, CACHE_SUM_DYN_STAT_THREAD, check_accounting, compressed, RamCacheCLFUSEntry::compressed_len, RamCacheCLFUSEntry::data, DDebug, fastlz_compress(), RamCacheCLFUSEntry::flag_bits, ink_assert, RamCacheCLFUSEntry::key, RamCacheCLFUSEntry::len, memcpy, Continuation::mutex, MUTEX_TAKE_LOCK, MUTEX_UNTAKE_LOCK, nbuckets, ncompressed, new_xmalloc_IOBufferData, objects, REQUIRED_COMPRESSION, REQUIRED_SHRINK, RamCacheCLFUSEntry::size, ats::CryptoHash::slice32(), and vol.

Referenced by RamCacheCLFUSCompressor::mainEvent().

RamCacheCLFUSEntry * RamCacheCLFUS::destroy ( RamCacheCLFUSEntry *  e  ) 

Definition at line 336 of file RamCacheCLFUS.cc.

References RamCacheCLFUSEntry::auxkey1, RamCacheCLFUSEntry::auxkey2, bytes, cache_ram_cache_bytes_stat, CACHE_SUM_DYN_STAT_THREAD, RamCacheCLFUSEntry::data, DDebug, RamCacheCLFUSEntry::flag_bits, history, RamCacheCLFUSEntry::key, move_compressed(), nbuckets, objects, ramCacheCLFUSEntryAllocator, RamCacheCLFUSEntry::size, ats::CryptoHash::slice32(), this_thread(), and THREAD_FREE.

Referenced by get(), and put().

RamCacheCLFUS::DList ( RamCacheCLFUSEntry  ,
hash_link   
)

Referenced by resize_hashtable().

int RamCacheCLFUS::fixup ( INK_MD5 *  key,
uint32_t  old_auxkey1,
uint32_t  old_auxkey2,
uint32_t  new_auxkey1,
uint32_t  new_auxkey2 
) [virtual]

Implements RamCache.

Definition at line 658 of file RamCacheCLFUS.cc.

References RamCacheCLFUSEntry::auxkey1, RamCacheCLFUSEntry::auxkey2, RamCacheCLFUSEntry::key, max_bytes, nbuckets, and ats::CryptoHash::slice32().

int RamCacheCLFUS::get ( INK_MD5 *  key,
Ptr< IOBufferData > *  ret_data,
uint32_t  auxkey1 = 0,
uint32_t  auxkey2 = 0 
) [virtual]

Implements RamCache.

Definition at line 203 of file RamCacheCLFUS.cc.

References IOBufferData::_mem_type, assert, ats_free(), ats_malloc(), RamCacheCLFUSEntry::auxkey1, RamCacheCLFUSEntry::auxkey2, bytes, CACHE_COMPRESSION_FASTLZ, CACHE_COMPRESSION_LIBLZMA, CACHE_COMPRESSION_LIBZ, cache_ram_cache_bytes_stat, cache_ram_cache_hits_stat, cache_ram_cache_misses_stat, CACHE_SUM_DYN_STAT_THREAD, check_accounting, RamCacheCLFUSEntry::compressed_len, IOBufferData::data(), RamCacheCLFUSEntry::data, DDebug, destroy(), fastlz_decompress(), RamCacheCLFUSEntry::flag_bits, RamCacheCLFUSEntry::hits, iobuffer_size_to_index(), RamCacheCLFUSEntry::key, RamCacheCLFUSEntry::len, LZMA_BASE_MEMLIMIT, MAX_BUFFER_SIZE_INDEX, max_bytes, MEMALIGNED, memcpy, move_compressed(), nbuckets, new_IOBufferData, new_xmalloc_IOBufferData, RamCacheCLFUSEntry::size, and ats::CryptoHash::slice32().

void RamCacheCLFUS::init ( int64_t  max_bytes,
Vol *  vol 
) [virtual]

Implements RamCache.

Definition at line 174 of file RamCacheCLFUS.cc.

References DDebug, ET_TASK, eventProcessor, HRTIME_SECOND, ink_assert, max_bytes, resize_hashtable(), EventProcessor::schedule_every(), and vol.

void RamCacheCLFUS::move_compressed ( RamCacheCLFUSEntry *  e  ) 

Definition at line 323 of file RamCacheCLFUS.cc.

References compressed, and ncompressed.

Referenced by destroy(), get(), and put().

int RamCacheCLFUS::put ( INK_MD5 *  key,
IOBufferData *  data,
uint32_t  len,
bool  copy = false,
uint32_t  auxkey1 = 0,
uint32_t  auxkey2 = 0 
) [virtual]

Implements RamCache.

Definition at line 500 of file RamCacheCLFUS.cc.

References ats_malloc(), RamCacheCLFUSEntry::auxkey1, RamCacheCLFUSEntry::auxkey2, IOBufferData::block_size(), bucket_sizes, bytes, cache_config_ram_cache_use_seen_filter, cache_ram_cache_bytes_stat, CACHE_SUM_DYN_STAT_THREAD, CACHE_VALUE, check_accounting, compressed, IOBufferData::data(), RamCacheCLFUSEntry::data, DDebug, destroy(), RamCacheCLFUSEntry::flag_bits, RamCacheCLFUSEntry::flags, history, RamCacheCLFUSEntry::hits, ibuckets, RamCacheCLFUSEntry::key, RamCacheCLFUSEntry::len, max_bytes, memcpy, move_compressed(), nbuckets, ncompressed, new_xmalloc_IOBufferData, objects, Que(), ramCacheCLFUSEntryAllocator, REQUEUE_HITS, requeue_victims(), resize_hashtable(), seen, RamCacheCLFUSEntry::size, ats::CryptoHash::slice32(), this_ethread(), THREAD_ALLOC, tick(), and victimize().

RamCacheCLFUS::Que ( RamCacheCLFUSEntry  ,
lru_link   
)

Referenced by put().

void RamCacheCLFUS::requeue_victims ( RamCacheCLFUS *  c,
Que(RamCacheCLFUSEntry, lru_link)&  victims 
)

Definition at line 488 of file RamCacheCLFUS.cc.

References bytes, cache_ram_cache_bytes_stat, CACHE_SUM_DYN_STAT_THREAD, RamCacheCLFUSEntry::hits, REQUEUE_HITS, and RamCacheCLFUSEntry::size.

Referenced by put().

void RamCacheCLFUS::resize_hashtable (  ) 

Definition at line 148 of file RamCacheCLFUS.cc.

References ats_free(), ats_malloc(), bucket_sizes, cache_config_ram_cache_use_seen_filter, DDebug, DList(), ibuckets, RamCacheCLFUSEntry::key, nbuckets, seen, and ats::CryptoHash::slice32().

Referenced by init(), and put().

void RamCacheCLFUS::tick (  ) 

Definition at line 289 of file RamCacheCLFUS.cc.

References RamCacheCLFUSEntry::auxkey1, RamCacheCLFUSEntry::auxkey2, DDebug, RamCacheCLFUSEntry::flag_bits, history, HISTORY_HYSTERIA, RamCacheCLFUSEntry::hits, RamCacheCLFUSEntry::key, nbuckets, objects, ramCacheCLFUSEntryAllocator, REQUEUE_HITS, RamCacheCLFUSEntry::size, ats::CryptoHash::slice32(), this_thread(), and THREAD_FREE.

Referenced by put().

void RamCacheCLFUS::victimize ( RamCacheCLFUSEntry *  e  ) 

Definition at line 312 of file RamCacheCLFUS.cc.

References RamCacheCLFUSEntry::auxkey1, RamCacheCLFUSEntry::auxkey2, RamCacheCLFUSEntry::data, DDebug, RamCacheCLFUSEntry::flag_bits, history, RamCacheCLFUSEntry::key, objects, RamCacheCLFUSEntry::size, and ats::CryptoHash::slice32().

Referenced by put().

Field Documentation

int64_t RamCacheCLFUS::bytes

Definition at line 71 of file RamCacheCLFUS.cc.

Referenced by compress_entries(), destroy(), get(), put(), and requeue_victims().

RamCacheCLFUSEntry* RamCacheCLFUS::compressed

Definition at line 90 of file RamCacheCLFUS.cc.

Referenced by compress_entries(), move_compressed(), and put().

int64_t RamCacheCLFUS::history

Definition at line 83 of file RamCacheCLFUS.cc.

Referenced by destroy(), put(), tick(), and victimize().

int RamCacheCLFUS::ibuckets

Definition at line 84 of file RamCacheCLFUS.cc.

Referenced by put(), and resize_hashtable().

int64_t RamCacheCLFUS::max_bytes

Definition at line 70 of file RamCacheCLFUS.cc.

Referenced by fixup(), get(), init(), and put().

int RamCacheCLFUS::nbuckets

Definition at line 85 of file RamCacheCLFUS.cc.

Referenced by compress_entries(), destroy(), fixup(), get(), put(), resize_hashtable(), and tick().

int RamCacheCLFUS::ncompressed

Definition at line 89 of file RamCacheCLFUS.cc.

Referenced by compress_entries(), move_compressed(), and put().

int64_t RamCacheCLFUS::objects

Definition at line 72 of file RamCacheCLFUS.cc.

Referenced by compress_entries(), destroy(), put(), tick(), and victimize().

uint16_t* RamCacheCLFUS::seen

Definition at line 88 of file RamCacheCLFUS.cc.

Referenced by put(), and resize_hashtable().

Vol* RamCacheCLFUS::vol

Definition at line 82 of file RamCacheCLFUS.cc.

Referenced by compress_entries(), and init().

The documentation for this struct was generated from the following file:
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