---> uname -a: Linux prd-centos8-docker-4c-4g-5180.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 776 12075 20 2909 14646 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:2c:31:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.113/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86183sec preferred_lft 86183sec inet6 fe80::f816:3eff:fe2c:3142/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c2:39:fb:2d 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) 09/25/2026 _x86_64_ (4 CPU) 18:55:34 LINUX RESTART (4 CPU) 06:56:01 PM tps rtps wtps bread/s bwrtn/s 06:57:01 PM 168.79 6.83 161.96 1111.23 6636.24 06:58:01 PM 272.71 19.82 252.89 3998.00 21198.90 06:59:01 PM 42.12 1.38 40.74 83.44 2242.15 Average: 161.22 9.35 151.87 1731.02 10026.38 06:56:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:57:01 PM 13134944 15129916 3004372 18.62 2688 2204428 1087780 6.33 157932 2467356 352876 06:58:01 PM 11489108 13867808 4650208 28.81 2688 2580364 2774356 16.14 246916 3974568 48508 06:59:01 PM 12390600 15022812 3748716 23.23 2688 2831224 1156384 6.73 534880 2786396 264044 Average: 12338217 14673512 3801099 23.55 2688 2538672 1672840 9.73 313243 3076107 221809 06:56:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 PM eth0 165.06 103.90 1769.84 36.49 0.00 0.00 0.00 0.00 06:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 PM lo 4.46 4.46 0.51 0.51 0.00 0.00 0.00 0.00 06:58:01 PM eth0 367.78 278.74 4273.23 58.20 0.00 0.00 0.00 0.00 06:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:59:01 PM lo 27.07 27.07 7.77 7.77 0.00 0.00 0.00 0.00 06:59:01 PM eth0 113.28 91.77 290.29 51.70 0.00 0.00 0.00 0.00 06:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.51 10.51 2.76 2.76 0.00 0.00 0.00 0.00 Average: eth0 215.38 158.14 2111.24 48.80 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) 09/25/2026 _x86_64_ (4 CPU) 18:55:34 LINUX RESTART (4 CPU) 06:56:01 PM CPU %user %nice %system %iowait %steal %idle 06:57:01 PM all 19.79 0.00 2.28 1.03 0.01 76.89 06:57:01 PM 0 24.49 0.00 3.01 1.97 0.02 70.51 06:57:01 PM 1 15.14 0.00 1.62 0.74 0.02 82.49 06:57:01 PM 2 24.10 0.00 2.47 0.97 0.00 72.46 06:57:01 PM 3 15.42 0.00 2.01 0.45 0.02 82.10 06:58:01 PM all 54.16 0.00 3.10 1.51 0.02 41.21 06:58:01 PM 0 58.99 0.00 2.12 1.14 0.03 37.72 06:58:01 PM 1 56.21 0.00 3.04 1.51 0.02 39.22 06:58:01 PM 2 46.49 0.00 3.43 2.03 0.02 48.03 06:58:01 PM 3 54.92 0.00 3.82 1.37 0.00 39.89 06:59:01 PM all 24.93 0.00 2.21 0.20 0.02 72.65 06:59:01 PM 0 30.83 0.00 2.36 0.22 0.02 66.58 06:59:01 PM 1 27.11 0.00 2.54 0.20 0.02 70.13 06:59:01 PM 2 23.44 0.00 2.36 0.28 0.03 73.89 06:59:01 PM 3 18.32 0.00 1.57 0.08 0.02 80.01 Average: all 32.95 0.00 2.53 0.91 0.02 63.59 Average: 0 38.11 0.00 2.50 1.11 0.02 58.27 Average: 1 32.81 0.00 2.40 0.81 0.02 63.96 Average: 2 31.33 0.00 2.76 1.09 0.02 64.80 Average: 3 29.54 0.00 2.47 0.64 0.01 67.34