---> uname -a: Linux prd-centos8-docker-8c-8g-2150.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 1053 27222 19 3614 30377 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:68:31:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.8/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe68:31c3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d7:f3:d8:28 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:d7ff:fef3:d828/64 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) 01/22/2026 _x86_64_ (8 CPU) 17:11:22 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 234.94 14.46 220.48 3198.00 11096.80 05:14:01 PM 505.91 6.41 499.50 1207.86 16944.59 05:15:01 PM 177.02 1.47 175.56 399.73 40474.34 Average: 305.96 7.45 298.51 1601.87 22838.58 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29075000 31008452 3580704 10.97 2688 2248436 1842296 5.47 191772 2916844 185040 05:14:01 PM 27436996 29916756 5218708 15.98 2688 2783984 2456832 7.29 408040 4288492 310288 05:15:01 PM 27840916 31068516 4814788 14.74 2688 3523876 1560092 4.63 813600 3454940 164524 Average: 28117637 30664575 4538067 13.90 2688 2852099 1953073 5.79 471137 3553425 219951 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 226.54 200.12 2560.78 50.66 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 613.00 513.68 7914.02 67.44 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 373.84 354.05 3642.39 2363.11 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.03 16.46 0.52 243.82 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 404.46 355.95 4705.73 827.07 0.00 0.00 0.00 0.00 Average: docker0 2.34 5.49 0.17 81.27 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) 01/22/2026 _x86_64_ (8 CPU) 17:11:22 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 15.05 0.00 1.23 0.82 0.06 82.83 05:13:01 PM 0 12.56 0.00 1.02 1.47 0.07 84.89 05:13:01 PM 1 13.17 0.00 1.31 1.12 0.07 84.34 05:13:01 PM 2 11.62 0.00 0.87 0.80 0.07 86.64 05:13:01 PM 3 33.21 0.00 2.86 1.10 0.07 62.76 05:13:01 PM 4 6.63 0.00 0.55 0.15 0.07 92.60 05:13:01 PM 5 13.60 0.00 0.59 0.32 0.08 85.42 05:13:01 PM 6 14.38 0.00 1.59 0.97 0.05 83.01 05:13:01 PM 7 15.24 0.00 1.07 0.65 0.05 82.99 05:14:01 PM all 28.68 0.00 1.89 1.36 0.08 68.00 05:14:01 PM 0 22.50 0.00 1.62 0.72 0.10 75.06 05:14:01 PM 1 22.97 0.00 2.18 1.34 0.08 73.42 05:14:01 PM 2 34.37 0.00 1.74 0.94 0.08 62.87 05:14:01 PM 3 37.21 0.00 2.71 1.36 0.08 58.64 05:14:01 PM 4 22.92 0.00 2.38 2.62 0.07 72.01 05:14:01 PM 5 30.58 0.00 1.34 1.21 0.08 66.80 05:14:01 PM 6 24.54 0.00 1.81 1.74 0.08 71.82 05:14:01 PM 7 34.30 0.00 1.29 0.92 0.08 63.41 05:15:01 PM all 15.93 0.00 2.58 0.81 0.07 80.61 05:15:01 PM 0 20.24 0.00 2.56 0.59 0.08 76.53 05:15:01 PM 1 10.83 0.00 2.64 0.77 0.07 85.69 05:15:01 PM 2 26.61 0.00 3.44 2.30 0.10 67.55 05:15:01 PM 3 9.00 0.00 2.69 0.27 0.07 87.97 05:15:01 PM 4 12.45 0.00 3.08 2.15 0.07 82.26 05:15:01 PM 5 20.30 0.00 2.48 0.15 0.07 77.00 05:15:01 PM 6 17.23 0.00 1.73 0.22 0.07 80.76 05:15:01 PM 7 10.74 0.00 2.00 0.07 0.07 87.13 Average: all 19.88 0.00 1.90 1.00 0.07 77.15 Average: 0 18.43 0.00 1.73 0.93 0.08 78.83 Average: 1 15.66 0.00 2.04 1.08 0.07 81.15 Average: 2 24.19 0.00 2.02 1.35 0.08 72.37 Average: 3 26.50 0.00 2.75 0.91 0.07 69.77 Average: 4 13.99 0.00 2.00 1.64 0.07 82.30 Average: 5 21.49 0.00 1.47 0.56 0.08 76.41 Average: 6 18.71 0.00 1.71 0.98 0.07 78.54 Average: 7 20.10 0.00 1.45 0.55 0.07 77.84