---> uname -a: Linux prd-centos8-docker-4c-4g-1394.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 773 12195 20 2792 14647 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:61:15:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.207/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86040sec preferred_lft 86040sec inet6 fe80::f816:3eff:fe61:152c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:aa:af:c1:76 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/14/2026 _x86_64_ (4 CPU) 17:48:52 LINUX RESTART (4 CPU) 05:49:01 PM tps rtps wtps bread/s bwrtn/s 05:50:01 PM 336.13 128.84 207.30 14083.41 43300.62 05:51:01 PM 224.03 20.24 203.80 4126.58 16952.83 05:52:01 PM 84.50 1.65 82.85 101.18 9937.38 05:53:01 PM 4.75 0.00 4.75 0.00 382.12 05:54:01 PM 6.69 3.10 3.60 229.01 208.54 Average: 131.23 30.77 100.46 3708.31 14156.66 05:49:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:50:01 PM 13286912 15088232 2852396 17.67 2688 2017428 1164496 6.78 145792 2348808 193408 05:51:01 PM 12192428 14454724 3946880 24.46 2688 2465584 1585708 9.23 223372 3304468 82316 05:52:01 PM 10075416 12541592 6063892 37.57 2688 2666164 3446488 20.05 263228 5363676 3920 05:53:01 PM 9904252 12374836 6235056 38.63 2688 2670460 3478028 20.24 263308 5534328 772 05:54:01 PM 11514844 14009144 4624464 28.65 2688 2693476 2027108 11.79 278452 3911816 12560 Average: 11394770 13693706 4744538 29.40 2688 2502622 2340366 13.62 234830 4092619 58595 05:49:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:50:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 PM eth0 353.56 214.86 1979.94 70.55 0.00 0.00 0.00 0.00 05:50:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 PM eth0 268.64 223.30 2796.59 40.19 0.00 0.00 0.00 0.00 05:51:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 PM eth0 204.35 150.24 2982.53 32.70 0.00 0.00 0.00 0.00 05:52:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 PM eth0 269.79 164.06 118.47 104.60 0.00 0.00 0.00 0.00 05:53:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 PM lo 6.46 6.46 0.79 0.79 0.00 0.00 0.00 0.00 05:54:01 PM eth0 147.79 104.28 59.47 52.73 0.00 0.00 0.00 0.00 05:54:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 248.82 171.35 1587.35 60.15 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/14/2026 _x86_64_ (4 CPU) 17:48:52 LINUX RESTART (4 CPU) 05:49:01 PM CPU %user %nice %system %iowait %steal %idle 05:50:01 PM all 28.31 0.00 4.88 2.44 0.01 64.36 05:50:01 PM 0 26.07 0.00 4.56 2.89 0.02 66.46 05:50:01 PM 1 21.92 0.00 4.48 1.90 0.00 71.70 05:50:01 PM 2 25.35 0.00 5.73 3.39 0.02 65.51 05:50:01 PM 3 39.90 0.00 4.77 1.57 0.00 53.76 05:51:01 PM all 40.42 0.00 2.32 1.14 0.02 56.09 05:51:01 PM 0 44.34 0.00 2.69 1.34 0.02 51.61 05:51:01 PM 1 37.74 0.00 3.01 1.42 0.02 57.82 05:51:01 PM 2 36.98 0.00 1.74 0.90 0.03 60.34 05:51:01 PM 3 42.63 0.00 1.85 0.90 0.02 54.60 05:52:01 PM all 70.09 0.00 1.82 0.39 0.02 27.68 05:52:01 PM 0 69.20 0.00 1.79 0.22 0.02 28.78 05:52:01 PM 1 80.26 0.00 2.15 0.08 0.03 17.47 05:52:01 PM 2 54.54 0.00 2.08 0.87 0.02 42.50 05:52:01 PM 3 76.32 0.00 1.27 0.38 0.02 22.01 05:53:01 PM all 23.14 0.00 1.48 0.01 0.01 75.36 05:53:01 PM 0 22.69 0.00 1.10 0.00 0.02 76.19 05:53:01 PM 1 21.29 0.00 1.95 0.02 0.00 76.74 05:53:01 PM 2 25.86 0.00 1.74 0.02 0.02 72.37 05:53:01 PM 3 22.74 0.00 1.12 0.00 0.00 76.14 05:54:01 PM all 35.30 0.00 1.36 0.05 0.02 63.27 05:54:01 PM 0 46.77 0.00 1.10 0.12 0.02 51.99 05:54:01 PM 1 41.88 0.00 1.40 0.02 0.02 56.68 05:54:01 PM 2 26.80 0.00 1.79 0.03 0.02 71.37 05:54:01 PM 3 25.74 0.00 1.15 0.03 0.02 73.06 Average: all 39.46 0.00 2.37 0.80 0.02 57.35 Average: 0 41.83 0.00 2.25 0.91 0.02 55.00 Average: 1 40.62 0.00 2.60 0.69 0.01 56.08 Average: 2 33.91 0.00 2.61 1.04 0.02 62.42 Average: 3 41.47 0.00 2.03 0.58 0.01 55.91