---> uname -a: Linux prd-centos8-docker-8c-8g-18656.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 1043 27235 19 3611 30388 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:57:60:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.12/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fe57:607c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1d:83:8c:be 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::42:1dff:fe83:8cbe/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) 02/20/2026 _x86_64_ (8 CPU) 17:11:53 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 240.58 14.38 226.20 3198.53 12135.66 05:15:01 PM 400.77 4.82 395.95 1166.01 13394.74 05:16:01 PM 214.88 2.42 212.46 393.47 39991.77 Average: 285.41 7.20 278.21 1585.92 21841.26 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28895264 30869748 3760448 11.52 2688 2288640 1819808 5.40 195232 3089332 133772 05:15:01 PM 27936272 30267648 4719440 14.45 2688 2637868 2129712 6.32 395696 3814228 143056 05:16:01 PM 27827012 31058456 4828700 14.79 2688 3529100 1572932 4.67 641192 3646896 162496 Average: 28219516 30731951 4436196 13.58 2688 2818536 1840817 5.46 410707 3516819 146441 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 276.90 239.11 2568.57 56.14 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 414.20 347.82 4915.13 46.87 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 505.01 428.42 5965.91 1270.73 0.00 0.00 0.00 0.00 05:16:01 PM docker0 8.65 16.44 0.61 256.96 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 398.71 338.46 4483.31 457.94 0.00 0.00 0.00 0.00 Average: docker0 2.88 5.48 0.20 85.66 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) 02/20/2026 _x86_64_ (8 CPU) 17:11:53 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 13.58 0.00 1.17 1.20 0.06 83.99 05:14:01 PM 0 17.36 0.00 0.95 0.88 0.07 80.74 05:14:01 PM 1 17.45 0.00 2.00 1.67 0.07 78.81 05:14:01 PM 2 5.79 0.00 1.17 1.19 0.07 91.78 05:14:01 PM 3 13.00 0.00 0.90 0.88 0.05 85.17 05:14:01 PM 4 10.14 0.00 1.00 1.76 0.07 87.03 05:14:01 PM 5 19.28 0.00 1.47 1.37 0.07 77.81 05:14:01 PM 6 10.62 0.00 1.17 0.45 0.07 87.69 05:14:01 PM 7 14.95 0.00 0.68 1.39 0.07 82.92 05:15:01 PM all 26.52 0.00 1.58 1.51 0.08 70.31 05:15:01 PM 0 25.61 0.00 0.96 0.08 0.08 73.26 05:15:01 PM 1 27.64 0.00 1.19 2.40 0.08 68.69 05:15:01 PM 2 28.98 0.00 1.32 0.39 0.07 69.24 05:15:01 PM 3 24.53 0.00 2.06 1.44 0.08 71.88 05:15:01 PM 4 18.66 0.00 1.09 0.60 0.10 79.55 05:15:01 PM 5 37.29 0.00 1.34 1.57 0.07 59.73 05:15:01 PM 6 25.11 0.00 2.35 3.28 0.08 69.18 05:15:01 PM 7 24.30 0.00 2.35 2.32 0.08 70.95 05:16:01 PM all 17.03 0.00 2.82 2.04 0.08 78.03 05:16:01 PM 0 8.54 0.00 2.57 2.38 0.08 86.42 05:16:01 PM 1 12.81 0.00 2.50 1.83 0.08 82.77 05:16:01 PM 2 12.20 0.00 2.93 2.91 0.07 81.89 05:16:01 PM 3 29.97 0.00 2.65 0.15 0.08 67.15 05:16:01 PM 4 18.96 0.00 2.75 0.22 0.08 77.99 05:16:01 PM 5 14.22 0.00 2.97 1.39 0.07 81.35 05:16:01 PM 6 17.25 0.00 2.25 0.44 0.07 80.00 05:16:01 PM 7 22.29 0.00 3.97 7.01 0.07 66.66 Average: all 19.04 0.00 1.86 1.58 0.07 77.45 Average: 0 17.17 0.00 1.49 1.12 0.08 80.14 Average: 1 19.30 0.00 1.90 1.97 0.08 76.76 Average: 2 15.66 0.00 1.81 1.49 0.07 80.97 Average: 3 22.48 0.00 1.87 0.83 0.07 74.75 Average: 4 15.91 0.00 1.61 0.86 0.08 81.53 Average: 5 23.60 0.00 1.92 1.44 0.07 72.96 Average: 6 17.65 0.00 1.92 1.39 0.07 78.97 Average: 7 20.50 0.00 2.33 3.57 0.07 73.53