---> uname -a: Linux prd-centos8-docker-8c-8g-4065.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 1048 27147 19 3694 30378 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:6e:4f:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.40/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fe6e:4fc7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8d:b7:b7:08 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::42:8dff:feb7:b708/64 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) 03/23/2026 _x86_64_ (8 CPU) 03:37:17 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 216.10 14.41 201.68 3093.75 10730.48 03:40:01 AM 374.48 5.51 368.96 1231.06 14913.45 03:41:01 AM 259.33 3.05 256.28 525.42 44667.68 Average: 283.30 7.66 275.65 1616.66 23437.91 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29260140 31163152 3395572 10.40 2688 2218932 1594124 4.73 188552 2744012 166868 03:40:01 AM 27827180 30129984 4828532 14.79 2688 2610756 2318076 6.88 390028 3935544 179204 03:41:01 AM 26085092 29323128 6570620 20.12 2688 3531792 3374100 10.01 645228 5367048 66720 Average: 27724137 30205421 4931575 15.10 2688 2787160 2428767 7.21 407936 4015535 137597 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 221.18 181.09 2262.70 48.32 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 425.89 361.51 5595.34 49.13 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 646.73 539.52 7129.54 1368.73 0.00 0.00 0.00 0.00 03:41:01 AM docker0 14.40 20.84 0.80 308.14 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 431.28 360.72 4996.01 488.75 0.00 0.00 0.00 0.00 Average: docker0 4.80 6.95 0.27 102.72 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) 03/23/2026 _x86_64_ (8 CPU) 03:37:17 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 13.32 0.00 1.15 0.60 0.08 84.86 03:39:01 AM 0 12.63 0.00 1.13 1.02 0.10 85.11 03:39:01 AM 1 10.91 0.00 1.35 0.70 0.08 86.96 03:39:01 AM 2 29.02 0.00 3.04 0.67 0.12 67.15 03:39:01 AM 3 8.59 0.00 0.52 0.25 0.12 90.53 03:39:01 AM 4 7.77 0.00 0.72 0.43 0.05 91.03 03:39:01 AM 5 6.96 0.00 0.62 0.40 0.05 91.97 03:39:01 AM 6 21.37 0.00 0.87 0.28 0.07 77.42 03:39:01 AM 7 9.29 0.00 0.95 1.00 0.05 88.70 03:40:01 AM all 27.01 0.00 1.57 2.63 0.12 68.67 03:40:01 AM 0 22.57 0.00 1.56 1.95 0.13 73.78 03:40:01 AM 1 25.65 0.00 1.75 3.14 0.12 69.34 03:40:01 AM 2 19.98 0.00 1.71 4.00 0.12 74.19 03:40:01 AM 3 37.58 0.00 0.74 3.70 0.12 57.87 03:40:01 AM 4 28.71 0.00 1.77 2.86 0.12 66.54 03:40:01 AM 5 32.01 0.00 1.79 2.85 0.10 63.25 03:40:01 AM 6 27.34 0.00 1.42 1.10 0.15 69.99 03:40:01 AM 7 22.21 0.00 1.81 1.46 0.12 74.41 03:41:01 AM all 15.80 0.00 3.00 2.71 0.09 78.41 03:41:01 AM 0 9.45 0.00 2.85 0.15 0.08 87.46 03:41:01 AM 1 18.82 0.00 2.52 1.09 0.10 77.47 03:41:01 AM 2 17.90 0.00 3.33 2.54 0.08 76.14 03:41:01 AM 3 20.16 0.00 2.79 6.26 0.08 70.71 03:41:01 AM 4 14.06 0.00 3.88 4.60 0.10 77.36 03:41:01 AM 5 13.86 0.00 2.65 3.85 0.08 79.56 03:41:01 AM 6 12.96 0.00 2.74 0.64 0.08 83.57 03:41:01 AM 7 19.19 0.00 3.23 2.52 0.08 74.98 Average: all 18.70 0.00 1.90 1.97 0.10 77.33 Average: 0 14.88 0.00 1.85 1.04 0.11 82.12 Average: 1 18.44 0.00 1.87 1.64 0.10 77.94 Average: 2 22.31 0.00 2.69 2.40 0.11 72.49 Average: 3 22.12 0.00 1.35 3.40 0.11 73.03 Average: 4 16.83 0.00 2.12 2.63 0.09 78.34 Average: 5 17.57 0.00 1.68 2.36 0.08 78.31 Average: 6 20.55 0.00 1.67 0.67 0.10 77.00 Average: 7 16.89 0.00 1.99 1.66 0.08 79.38