---> uname -a: Linux prd-centos8-docker-8c-8g-6987.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 1057 26503 19 4329 30366 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:ad:90:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fead:90a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3e:40:df:51 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::42:3eff:fe40:df51/64 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) 04/29/2026 _x86_64_ (8 CPU) 10:56:09 LINUX RESTART (8 CPU) 10:57:01 AM tps rtps wtps bread/s bwrtn/s 10:58:01 AM 299.90 19.10 280.80 7708.85 14803.65 10:59:01 AM 158.27 3.00 155.27 1417.82 40488.22 11:00:00 AM 299.60 13.86 285.74 713.39 4466.40 Average: 252.49 11.98 240.51 3284.67 19950.95 10:57:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:58:01 AM 28386316 30738436 4269396 13.07 2688 2664880 1858132 5.51 283748 3504408 315640 10:59:01 AM 25907912 29159176 6747800 20.66 2688 3546564 5132772 15.23 469416 5716048 280 11:00:00 AM 27192724 31144784 5462988 16.73 2688 4241416 1476580 4.38 820276 4077716 651504 Average: 27162317 30347465 5493395 16.82 2688 3484287 2822495 8.37 524480 4432724 322475 10:57:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:58:01 AM eth0 501.30 390.45 6045.82 56.35 0.00 0.00 0.00 0.00 10:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:59:01 AM eth0 1446.91 365.00 7359.71 33.97 0.00 0.00 0.00 0.00 10:59:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 10:59:01 AM veth876dbf8 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 11:00:00 AM lo 13.19 13.19 1.38 1.38 0.00 0.00 0.00 0.00 11:00:00 AM eth0 151.16 125.56 1726.27 32.21 0.00 0.00 0.00 0.00 11:00:00 AM docker0 4.94 5.92 0.66 0.69 0.00 0.00 0.00 0.00 Average: lo 4.38 4.38 0.46 0.46 0.00 0.00 0.00 0.00 Average: eth0 700.91 294.00 5050.47 40.86 0.00 0.00 0.00 0.00 Average: docker0 1.64 1.99 0.22 0.23 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) 04/29/2026 _x86_64_ (8 CPU) 10:56:09 LINUX RESTART (8 CPU) 10:57:01 AM CPU %user %nice %system %iowait %steal %idle 10:58:01 AM all 15.39 0.00 1.81 0.87 0.07 81.86 10:58:01 AM 0 15.40 0.00 2.28 1.51 0.08 80.73 10:58:01 AM 1 18.80 0.00 1.54 0.60 0.08 78.98 10:58:01 AM 2 16.31 0.00 1.42 0.84 0.08 81.34 10:58:01 AM 3 16.99 0.00 2.08 0.75 0.07 80.12 10:58:01 AM 4 5.92 0.00 1.37 0.59 0.07 92.05 10:58:01 AM 5 17.87 0.00 1.66 0.57 0.07 79.84 10:58:01 AM 6 22.50 0.00 2.26 0.82 0.07 74.36 10:58:01 AM 7 9.34 0.00 1.87 1.25 0.05 87.48 10:59:01 AM all 32.47 0.00 2.73 0.75 0.12 63.92 10:59:01 AM 0 23.64 0.00 2.22 0.96 0.10 73.08 10:59:01 AM 1 47.51 0.00 3.34 0.88 0.17 48.10 10:59:01 AM 2 18.54 0.00 2.92 1.83 0.15 76.55 10:59:01 AM 3 37.61 0.00 3.43 0.29 0.12 58.56 10:59:01 AM 4 30.82 0.00 2.93 1.13 0.12 65.00 10:59:01 AM 5 35.08 0.00 2.46 0.03 0.13 62.30 10:59:01 AM 6 15.45 0.00 2.46 0.44 0.10 81.55 10:59:01 AM 7 51.16 0.00 2.10 0.47 0.10 46.17 11:00:00 AM all 24.92 0.65 3.16 0.49 0.08 70.71 11:00:00 AM 0 27.41 0.07 1.82 0.37 0.10 70.24 11:00:00 AM 1 26.72 0.64 4.30 0.35 0.08 67.90 11:00:00 AM 2 25.86 0.05 3.78 2.09 0.08 68.13 11:00:00 AM 3 19.12 2.16 2.70 0.20 0.08 75.73 11:00:00 AM 4 27.64 0.05 2.80 0.12 0.07 69.33 11:00:00 AM 5 28.36 0.02 3.09 0.24 0.08 68.22 11:00:00 AM 6 17.45 2.14 3.71 0.51 0.07 76.12 11:00:00 AM 7 26.80 0.08 3.05 0.02 0.08 69.97 Average: all 24.24 0.22 2.56 0.70 0.09 72.18 Average: 0 22.14 0.02 2.11 0.95 0.10 74.69 Average: 1 30.97 0.21 3.06 0.61 0.11 65.04 Average: 2 20.22 0.02 2.71 1.59 0.11 75.36 Average: 3 24.56 0.72 2.73 0.41 0.09 71.48 Average: 4 21.42 0.02 2.37 0.61 0.08 75.50 Average: 5 27.08 0.01 2.40 0.28 0.10 70.14 Average: 6 18.48 0.71 2.81 0.59 0.08 77.34 Average: 7 29.07 0.03 2.34 0.58 0.08 67.91