---> uname -a: Linux prd-centos8-docker-8c-8g-10472.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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 nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1010 28269 19 2608 30426 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:fd:c8:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fefd:c857/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fb:b7:b7:09 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) 06/09/2026 _x86_64_ (8 CPU) 21:56:29 LINUX RESTART (8 CPU) 09:57:01 PM tps rtps wtps bread/s bwrtn/s 09:58:01 PM 136.82 2.43 134.39 338.82 9733.97 09:59:01 PM 169.26 1.93 167.32 621.23 11814.03 10:00:01 PM 90.25 1.65 88.60 393.40 6847.16 Average: 132.11 2.01 130.10 451.14 9465.07 09:57:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:58:01 PM 29145200 31033232 3508172 10.74 2688 2204272 2038740 6.05 155692 2890112 245104 09:59:01 PM 27291060 29326472 5362312 16.42 2688 2345764 3473224 10.31 207316 4659116 71208 10:00:01 PM 29001024 31197544 3652348 11.19 2688 2502376 1444376 4.29 411928 2731836 41656 Average: 28479095 30519083 4174277 12.78 2688 2350804 2318780 6.88 258312 3427021 119323 09:57:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:58:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 PM eth0 150.37 98.80 1725.04 18.44 0.00 0.00 0.00 0.00 09:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:59:01 PM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 09:59:01 PM eth0 180.50 160.47 1602.08 32.32 0.00 0.00 0.00 0.00 09:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 PM eth0 178.44 143.68 1558.65 37.63 0.00 0.00 0.00 0.00 10:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 169.77 134.31 1628.59 29.46 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) 06/09/2026 _x86_64_ (8 CPU) 21:56:29 LINUX RESTART (8 CPU) 09:57:01 PM CPU %user %nice %system %iowait %steal %idle 09:58:01 PM all 11.04 0.00 1.18 0.48 0.05 87.25 09:58:01 PM 0 8.71 0.00 0.87 0.13 0.05 90.24 09:58:01 PM 1 16.56 0.00 1.99 0.50 0.07 80.88 09:58:01 PM 2 7.10 0.00 1.30 1.75 0.03 89.81 09:58:01 PM 3 8.89 0.00 1.12 0.50 0.05 89.44 09:58:01 PM 4 11.59 0.00 0.75 0.47 0.05 87.14 09:58:01 PM 5 18.03 0.00 1.74 0.27 0.10 79.86 09:58:01 PM 6 11.46 0.00 0.90 0.18 0.03 87.42 09:58:01 PM 7 5.98 0.00 0.77 0.03 0.02 93.20 09:59:01 PM all 35.34 0.00 1.66 2.37 0.10 60.54 09:59:01 PM 0 43.57 0.00 1.50 0.25 0.10 54.58 09:59:01 PM 1 34.22 0.00 1.73 1.47 0.10 62.48 09:59:01 PM 2 27.49 0.00 1.87 3.41 0.10 67.12 09:59:01 PM 3 31.30 0.00 1.24 2.52 0.10 64.84 09:59:01 PM 4 41.43 0.00 2.06 2.13 0.12 54.27 09:59:01 PM 5 32.06 0.00 1.12 0.83 0.07 65.92 09:59:01 PM 6 44.03 0.00 2.32 6.88 0.10 46.67 09:59:01 PM 7 28.61 0.00 1.40 1.42 0.10 68.47 10:00:01 PM all 40.05 0.00 1.85 1.11 0.10 56.89 10:00:01 PM 0 45.20 0.00 1.82 0.25 0.10 52.63 10:00:01 PM 1 40.95 0.00 1.81 2.26 0.10 54.89 10:00:01 PM 2 38.89 0.00 2.14 0.80 0.10 58.07 10:00:01 PM 3 32.79 0.00 1.79 2.59 0.10 62.73 10:00:01 PM 4 46.47 0.00 2.36 0.05 0.10 51.02 10:00:01 PM 5 36.31 0.00 1.84 1.64 0.10 60.11 10:00:01 PM 6 43.65 0.00 1.94 1.25 0.12 53.04 10:00:01 PM 7 36.07 0.00 1.14 0.02 0.10 62.67 Average: all 28.80 0.00 1.56 1.32 0.08 68.24 Average: 0 32.49 0.00 1.40 0.21 0.08 65.82 Average: 1 30.57 0.00 1.84 1.41 0.09 66.09 Average: 2 24.49 0.00 1.77 1.99 0.08 71.68 Average: 3 24.32 0.00 1.38 1.87 0.08 72.34 Average: 4 33.15 0.00 1.72 0.88 0.09 64.16 Average: 5 28.80 0.00 1.57 0.91 0.09 68.63 Average: 6 33.04 0.00 1.72 2.77 0.08 62.39 Average: 7 23.55 0.00 1.10 0.49 0.07 74.79