---> uname -a: Linux prd-centos8-docker-8c-8g-6044.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1047 27166 19 3676 30383 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:9c:28:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.99/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe9c:282e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:42:8c:a2:30 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 inet6 fe80::42:42ff:fe8c:a230/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/25/2026 _x86_64_ (8 CPU) 17:11:17 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 222.28 14.48 207.80 3222.39 13229.92 05:14:01 PM 504.92 4.82 500.10 1166.01 15210.98 05:15:01 PM 212.11 4.93 207.18 498.58 41753.36 Average: 313.11 8.08 305.03 1629.06 23397.07 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29149820 31123148 3505892 10.74 2688 2289380 2035780 6.04 192956 2842420 144240 05:14:01 PM 27802512 30289812 4853200 14.86 2688 2792696 2116448 6.28 401340 3936732 286832 05:15:01 PM 27887456 31179744 4768256 14.60 2688 3588752 1470276 4.36 816640 3409840 166004 Average: 28279929 30864235 4375783 13.40 2688 2890276 1874168 5.56 470312 3396331 199025 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 222.14 188.20 2658.33 47.62 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 558.93 467.76 7409.56 64.01 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 451.74 410.00 4442.14 2384.40 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.33 14.75 0.54 257.99 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 410.94 355.32 4836.70 831.93 0.00 0.00 0.00 0.00 Average: docker0 2.44 4.92 0.18 85.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/25/2026 _x86_64_ (8 CPU) 17:11:17 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.23 0.00 1.24 0.69 0.06 85.79 05:13:01 PM 0 9.42 0.00 0.75 0.07 0.07 89.70 05:13:01 PM 1 9.30 0.00 1.15 0.78 0.05 88.71 05:13:01 PM 2 23.51 0.00 1.75 0.48 0.08 74.16 05:13:01 PM 3 12.48 0.00 1.64 1.02 0.05 84.81 05:13:01 PM 4 19.10 0.00 1.92 0.65 0.07 78.27 05:13:01 PM 5 9.35 0.00 0.92 1.16 0.05 88.53 05:13:01 PM 6 6.17 0.00 0.87 0.47 0.05 92.45 05:13:01 PM 7 8.48 0.00 0.89 0.85 0.05 89.73 05:14:01 PM all 27.83 0.00 1.75 1.08 0.09 69.26 05:14:01 PM 0 21.57 0.00 1.41 0.65 0.10 76.27 05:14:01 PM 1 24.98 0.00 2.23 1.64 0.12 71.03 05:14:01 PM 2 17.61 0.00 1.33 0.57 0.10 80.39 05:14:01 PM 3 28.32 0.00 1.37 0.42 0.08 69.81 05:14:01 PM 4 43.27 0.00 3.61 3.52 0.07 49.54 05:14:01 PM 5 29.90 0.00 1.71 1.17 0.10 67.12 05:14:01 PM 6 36.18 0.00 0.97 0.17 0.08 62.60 05:14:01 PM 7 20.81 0.00 1.36 0.50 0.07 77.27 05:15:01 PM all 17.64 0.00 2.64 0.70 0.08 78.94 05:15:01 PM 0 22.78 0.00 2.09 0.10 0.10 74.93 05:15:01 PM 1 17.01 0.00 3.10 1.42 0.07 78.40 05:15:01 PM 2 10.35 0.00 2.99 2.05 0.08 84.53 05:15:01 PM 3 8.47 0.00 2.47 0.27 0.08 88.71 05:15:01 PM 4 16.18 0.00 2.34 0.22 0.07 81.20 05:15:01 PM 5 23.55 0.00 2.33 0.34 0.08 73.70 05:15:01 PM 6 22.30 0.00 2.72 0.67 0.07 74.24 05:15:01 PM 7 20.47 0.00 3.11 0.52 0.07 75.84 Average: all 19.23 0.00 1.87 0.82 0.08 78.00 Average: 0 17.91 0.00 1.42 0.27 0.09 80.31 Average: 1 17.09 0.00 2.16 1.28 0.08 79.39 Average: 2 17.17 0.00 2.02 1.03 0.09 79.68 Average: 3 16.43 0.00 1.83 0.57 0.07 81.10 Average: 4 26.18 0.00 2.62 1.46 0.07 69.68 Average: 5 20.93 0.00 1.65 0.89 0.08 76.45 Average: 6 21.55 0.00 1.52 0.44 0.07 76.43 Average: 7 16.58 0.00 1.78 0.63 0.06 80.95