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HISTORY
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Version 2.03 2024-03-18
* use libfastcommon V1.73
NOTE: you MUST upgrade libfastcommon to V1.73 or later
Version 2.02 2022-05-27
* use libfastcommon V1.56
NOTE: you MUST upgrade libfastcommon to V1.56 or later
Version 2.01 2016-01-24
* use libfastcommon
* bug fixed: should call memset to init g_thread_data
* make.sh changed, you must upgrade libfastcommon to V1.20 or later
* compile pass in Mac OS
Version 2.00 2014-02-02
* discard libevent, use epoll in Linux, kqueue in FreeBSD, port in SunOS directly
* mpool use hash table's multi locks
* fdhtd support start, stop and restart command
Version 1.23 2013-03-20
* bug fixed: mp_do_set unlock before call mp_clear_expired_keys
* fdhtd.conf add parameter: need_clear_expired_data
* support multi accept threads
* add common/connection_pool.h and common/connection_pool.c
Version 1.22 2012-12-31
* support rotate log by file size
* add common/avl_tree.h and common/avl_tree.c
* common/ini_file_reader.c does NOT call chdir
* use g_current_time instead of call time function
Version 1.21 2012-07-08
* another method to get local ip addresses
* logger support access log
* set pipe reading fd with attribute O_NOATIME
Version 1.20 2012-07-01
* bug fixed: client/fdht_client.c get_connection set err_no correctly
* common/logger.c: function log_init can be called more than once
* php extension logInfo change to logDebug
* c client logInfo change to logDebug
Version 1.19 2012-05-13
* md5 function name changed to avoid conflict
* sync.c: binlog_write_cache_buff dynamic malloc intead of static char array
* sync.c: function fdht_binlog_read optimization
* remove compile warnings
* get local ip addresses enhancement
* php extension compile passed in PHP 5.4.0
Version 1.18 2011-08-08
* use hash function: Time33Hash instead of PJWHash
Version 1.17 2011-04-28
* maintain object's key list
* add tools: client/fdht_set, client/fdht_get and client/fdht_delete
Version 1.16 2011-02-17
* cp fdht_client.conf to /etc/fdht/
* init.d/fdhtd correct config file name
* bug fixed: write_to_binlog_index then increase g_binlog_index
Version 1.15 2011-01-31
* strerror change to STRERROR macro
* bug fixed: server/func.c: load_group_servers type mismatched
* update common files from FastDFS V2.08
* macro DEFAULT_SYNC_MARK_FILE_FREQ change to FDHT_DEFAULT_SYNC_MARK_FILE_FREQ
Version 1.14 2010-11-18
* sockopt.h add non-block connect function connectserverbyip_nb
* log_init set log to cache to false (no cache)
* connect server support timeout, adding connect_timeout parameter in
config file
* local ip functions move to common/local_ip_func.c
* do not catch signal SIGABRT
* bug fixed: when fdhtd quit, maybe write to binlog file fail,
the error info is "Bad file descriptor"
Version 1.13 2010-06-06
* logger support context (multi instance)
* add files: common/pthread_func.h and common/pthread_func.c
* common/sched_thread.h, remove statement: extern bool g_continue_flag;
* global variables: g_base_path, g_network_timeout, g_version change to
g_fdht_base_path, g_fdht_network_timeout, g_fdht_version
* client add libfastcommon
* common/fdfs_base64.h/c change name to common/base64.h/c
* sync mark file and stat file to disk properly
* make.sh use TARGET_PREFIX instead of TARGET_PATH
Version 1.12 2010-04-11
* copy common files from FastDFS/common
* remove compile warning info of logError
* ini file reader supoort section
* redirect stdout and stderr to log file
* storage.conf: add if_alias_prefix parameter to get the ip address of the
local host
* make.sh compile use debug mode
* make.sh: default not install FastDHT services in Linux server
Version 1.11 2009-10-13
* bug fixed: http_func.c logError parameter mismatched
* base64 use context, functions changed
* common/ini_file_reader.c: fix memory leak
* omit 64 bits OS compile warning
* shared_func.c add functions: buffer_strcpy and buffer_memcpy
* add thread_stack_size in config file, default value is 1MB
* server use setsockopt to keep alive
* client persistent connection use setsockopt to keep alive
* bug fixed: common/shared_func.c allow_hosts array maybe overflow in some case
* common/sockopt.c: setsockopt level SOL_TCP only supported in Linux
* common/http_func.c: do not use function strsep because strsep is not portable
* server index exchanged hash code change type from unsigned int to int
Version 1.10 2009-07-19
* ini reader support HTTP protocol, conf file can be an url
* hash does not use macro: HASH_MALLOC_VALUE, add member is_malloc_value
* sockopt.c sendfile and recvfile support non-block socket
* sync.c call tcpsetnonblock after connect
* bug fix: sockopt.c do not set non-block in function tcpsetserveropt
* fdht_compress.c: change global static variable names to avoid conflict
Version 1.09 2009-07-01
* correct php extension error info
* fdht_compress.c: make sure syncing is done
* add shell script: stop.sh, restart.sh modified
* add fdhtd as service in Linux platform
* correct get local ip addresses
* common files do not use global vars like g_network_timeout and g_base_path
* fdht_compress.c: use {base_path}/tmp as sort temporary path instead of /tmp
* sync.c: check binlog file format when reading
* client can use proxy for FastDHT
* cache size not division by g_db_count
* protocol add stat cmd
* client retry connect when connection is not connected and keep_alive is true
* multi db use only one env
* support MPOOL (memory only cache as memcached)
* when max_threads set 1, use process instead of thread
* client use non-block socket to increase performance
* hash.c use chain impl by self
* bugfix: never expired / persistent keys not be cleared when clear expired keys
* inc use thread lock for atomicity
* mpool use rwlock, support multi-threads
* change work thread mode
* stat cmd add more info
Version 1.08 2009-04-12
* common/shared_func.c: rindex change to strrchr, add #include <netinet/in.h>
* use scheduling thread to sync binlog buff / cache to disk, add parameter
"sync_binlog_buff_interval" to conf file fdhtd.conf
* add restart daemon shell script: restart.sh
* add compress binlog tool
* hash_walk change return type from void to int
* compress binlog tool can be run by scheduler, fdhtd.conf add parameters:
compress_binlog_time_base and compress_binlog_interval
Version 1.07 2009-03-13
* fastdht_client.ini: add parameter fastdht_client.log_filename
* a header can be recv more than one time (recv header particially)
* for compatible with other language such as Java, change hash function
return type from unsigned int to int
Version 1.06 2009-02-26
* in config file conf/fdhtd.conf: add item "min_buff_size"
* add batch get, can get multi keys once
* add batch set, can set multi keys once
* add batch delete, can delete multi keys once
* php extension add class version, see sub dir php_client/
* performance enhancement: in function get, delay expires (timeout)
use partial set
* php extension support multi config file
* bug fix: fdht_client_init can be called more than once
* move global config parameters to fastdht_client.ini
Version 1.05 2009-02-04
* only start one dead_lock_detect thread to save resource
* in file php_client/README: add function description
* in file client/fdht_client.h: add function description / remark
Version 1.04 2009-01-29
* sync.c: when call socket fail, continue deal (do not exit)
* client: share a same sock when the ip and port of servers are same
* client: thread-safe and add muti-thread test program fdht_test_thread.c
* sync.c: fdht_sync_del return 0 when key not exists (errno: ENOENT)
Version 1.03 2009-01-25
* BDB env->open add DB_INIT_LOCK flag and add BDB dead_lock_detect thread
* shared_func.c add urlencode and urldecode functions
* clear expired keys every interval seconds
* php_client directory: add test_fastdht.php
Version 1.02 2009-01-18
* protocol header add field: keep_alive to support persistent connection
* fdhtd.conf add item: write_to_binlog to enable or disable replication
* return ENOENT (key not exist) when the key expires
* client auto reconnect when connection is reset and keep_alive is true
* add php client extension
* add README file in sub directories: client and php_client
Version 1.01 2008-12-15
* fdhtd.conf add parameter: sync_db_time_base, change the default value of
sync_db_interval to 86400 (one day)
* remove fdht_global.h dependency of client codes
Version 1.00 2008-12-08
* fix memory leak in sync.c
* function enhancement: db recovery when the daemon starts
* pass (void *)1 to memp_trickle before exit
Version 0.90 2008-12-02
* use memp_trickle to sync data to BDB file periodically
* fix bug: mod(%) result maybe < 0
* sockopt.h / .c add function tcpsetnodelay
* bug fixed: realloc size and reasign
* add client set test program: fdht_test_set.c
* add Makefile.in and make.sh
* pipe read more bytes once
Version 0.80 2008-11-24
* add namespace and object ID
* add expires (timeout)
* add binlog write buff to increase performance
Version 0.50 2008-10-22
* support data sync
Version 0.20 2008-09-27
* framework is done:
# implement db functions such as get, set, inc and del
# implement asynchronous IO use libevent
Version 0.10 2008-09-08
* first version, only implement queue management