Hi, These values relate to the TCP window size which is not the same as the socket buffer size. The window size value won't have any impact for local (LAN) connections - it's mostly used for WAN tuning.
--Jens On Sun, Mar 25, 2018 at 11:29 PM, 易振华 <[email protected]> wrote: > Hello Jens, > > Saturday, March 24, 2018, 11:40:17 PM, you wrote: > > tanks a lot , see my sysctl.conf , rmem and wmem ,i set to 64M , > and i had see the https://cwiki.apache.org/confluence/display/GEODE/ > Network+Configuration+Best+Practices , all system sets is reference it's > > net.core.wmem_max=67108864 > net.core.rmem_max=67108864 > net.ipv4.tcp_rmem=10240 131072 33554432 > net.ipv4.tcp_wmem=10240 131072 33554432 > > Hi, > > One other quick check would be to see if you have any network errors > showing up in the output of 'ifconfig' on the client PC. > > For tuning take a look at https://cwiki.apache.org/ > confluence/display/GEODE/Network+Configuration+Best+Practices > > There are a lot of possibilities there, but I would suggest focusing on > net.ipv4.tcp_rmem and net.ipv4.tcp_wmem and increase those to 32MB as > suggested. > > --Jens > > > On Sat, Mar 24, 2018 at 12:57 AM, 易振华 <[email protected]> wrote: > > Hello User, > > my question is network request is very slow ,only 5000/second , > how can i fix it??? > > ths problem is my server is CentOS7 ,hardware : CPU 8700K , > memory:32G , disk:intel 760p 256G , network : 1000M > > and i start geode 1.4.0 , use gfsh command : > start locator --name=locator1 --port=30000 > --bind-address=192.168.0.226 --http-service-port=0 > --http-service-bind-address=192.168.0.226 > --properties-file=./config/server.properties > --J=-Dp2p.handshakeTimeoutMs=75000 > > configure pdx --disk-store > > start server --name=server1 --server-port=0 > --locators=192.168.0.226[30000] --bind-address=192.168.0.226 > --J=-Dgemfire.ALLOW_PERSISTENT_TRANSACTIONS=true --force=1 > --properties-file=./config/server.properties --groups=leap,lwfp,portal > --J=-Dp2p.handshakeTimeoutMs=75000 > > create region --name=r1 --type=REPLICATE > > 1)at the server pc , run java code , the region entry size is 0 , > get region entry , speed is 63000/second > > Properties props = new Properties(); > ClientCacheFactory cf = new ClientCacheFactory(props); > ClientCache cache = cf.addPoolLocator("192.168.0.226", > 30000).set("log-level", "WARN").create(); > Region<String, String> region = > cache.<String, String> createClientRegionFactory( > ClientRegionShortcut.CACHING_PROXY).create("r1"); > final AtomicInteger counter = new AtomicInteger(0); > final AtomicInteger idx = new AtomicInteger(0); > for (int i = 0; i < 1; i++) > { > new Thread(new Runnable() > { > public void run () > { > while (true) > { > region.get(idx.getAndIncrement()); > counter.incrementAndGet(); > } > } > }).start(); > } > > 2)but at the other pc , at same network , ip address > 192.168.0.169 , same 1000M network , the same code , get region entry > from the > 192.168.0.226 server , speed is 5000/second > > > > note : sysctl.conf > > kernel.sysrq = 0 > kernel.core_uses_pid = 1 > kernel.msgmnb = 65536 > kernel.msgmax = 65536 > kernel.shmmax = 68719476736 > kernel.shmall = 4294967296 > > > > > fs.aio-max-nr = 1048576 > fs.file-max = 6815744 > kernel.shmall = 2097152 > kernel.shmmax = 4294967295 > kernel.shmmni = 4096 > kernel.sem= 500 64000 50 400 > > > net.core.netdev_max_backlog=30000 > net.core.wmem_max=67108864 > net.core.rmem_max=67108864 > net.ipv4.tcp_congestion_control=htcp > net.ipv4.tcp_congestion_window=10 > net.ipv4.tcp_fin_timeout=10 > net.ipv4.tcp_keepalive_interval=30 > net.ipv4.tcp_keepalive_probes=5 > net.ipv4.tcp_keepalive_time=600 > net.ipv4.tcp_low_latency=1 > net.ipv4.tcp_max_orphans=16384 > net.ipv4.tcp_max_tw_buckets=1440000 > net.ipv4.tcp_no_metrics_save=1 > net.ipv4.tcp_orphan_retries=0 > net.ipv4.tcp_rfc1337=1 > net.ipv4.tcp_rmem=10240 131072 33554432 > net.ipv4.tcp_wmem=10240 131072 33554432 > net.ipv4.tcp_sack=1 > net.ipv4.tcp_slow_start_after_idle=0 > net.ipv4.tcp_syncookies=0 > net.ipv4.tcp_max_syn_backlog="16384" > net.ipv4.tcp_synack_retries="1" > net.ipv4.tcp_max_orphans="400000" > net.ipv4.tcp_timestamps=1 > net.ipv4.tcp_tw_recycle=1 > net.ipv4.tcp_tw_reuse=1 > net.ipv4.tcp_window_scaling=1 > > > > > > -- > Best regards, > 易振华 mailto:[email protected] > > -- > Best regards, > 易振华 mailto:[email protected] > > > > -- > Best regards, > 易振华 mailto:[email protected] > >
