---> uname -a: Linux prd-centos8-docker-8c-8g-3760.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1765 27636 19 2488 29677 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:db:6e:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.33/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fedb:6e1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a6:3d:51:5a 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/21/2026 _x86_64_ (8 CPU) 14:01:17 LINUX RESTART (8 CPU) 02:02:02 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 210.15 2.32 207.83 700.76 12385.68 02:04:01 PM 105.55 1.52 104.03 387.94 9390.63 02:05:01 PM 43.66 2.37 41.29 131.84 4190.35 Average: 119.28 2.07 117.21 405.21 8634.72 02:02:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 27966212 29858732 4689500 14.36 2688 2208492 2760348 8.19 179924 4035608 174820 02:04:01 PM 27486412 29534996 5169300 15.83 2688 2359624 2826668 8.39 224236 4454640 69988 02:05:01 PM 28250696 30337672 4405016 13.49 2688 2396456 2176788 6.46 450448 3461976 23352 Average: 27901107 29910467 4754605 14.56 2688 2321524 2587935 7.68 284869 3984075 89387 02:02:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 256.82 205.49 3299.38 49.20 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 187.52 142.01 1385.66 35.87 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 257.91 167.12 572.81 138.37 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 233.96 171.35 1743.98 74.62 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 03/21/2026 _x86_64_ (8 CPU) 14:01:17 LINUX RESTART (8 CPU) 02:02:02 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 23.19 0.00 1.35 0.72 0.07 74.67 02:03:01 PM 0 14.99 0.00 1.13 0.81 0.08 82.98 02:03:01 PM 1 23.32 0.00 0.97 0.49 0.10 75.12 02:03:01 PM 2 27.21 0.00 2.06 1.68 0.08 68.96 02:03:01 PM 3 37.71 0.00 1.54 0.49 0.07 60.19 02:03:01 PM 4 20.70 0.00 1.09 0.95 0.05 77.21 02:03:01 PM 5 25.99 0.00 1.36 0.78 0.07 71.80 02:03:01 PM 6 21.05 0.00 1.73 0.24 0.08 76.90 02:03:01 PM 7 14.60 0.00 0.92 0.29 0.05 84.15 02:04:01 PM all 42.34 0.00 1.51 0.31 0.08 55.75 02:04:01 PM 0 45.47 0.00 1.42 0.18 0.08 52.85 02:04:01 PM 1 46.64 0.00 1.80 0.23 0.08 51.24 02:04:01 PM 2 39.11 0.00 1.55 0.70 0.08 58.56 02:04:01 PM 3 40.82 0.00 1.29 0.52 0.08 57.30 02:04:01 PM 4 33.42 0.00 1.42 0.07 0.07 65.02 02:04:01 PM 5 47.59 0.00 1.64 0.38 0.08 50.30 02:04:01 PM 6 45.35 0.00 1.42 0.18 0.08 52.97 02:04:01 PM 7 40.34 0.00 1.55 0.22 0.08 57.80 02:05:01 PM all 17.29 0.00 0.98 0.12 0.06 81.55 02:05:01 PM 0 12.32 0.00 1.07 0.05 0.07 86.50 02:05:01 PM 1 5.24 0.00 1.36 0.47 0.05 92.89 02:05:01 PM 2 21.78 0.00 1.70 0.07 0.07 76.38 02:05:01 PM 3 21.21 0.00 1.08 0.07 0.05 77.59 02:05:01 PM 4 10.40 0.00 0.80 0.08 0.07 88.65 02:05:01 PM 5 21.47 0.00 0.62 0.05 0.05 77.81 02:05:01 PM 6 24.85 0.00 0.90 0.15 0.07 74.03 02:05:01 PM 7 21.06 0.00 0.35 0.00 0.05 78.54 Average: all 27.63 0.00 1.28 0.38 0.07 70.64 Average: 0 24.30 0.00 1.21 0.35 0.08 74.07 Average: 1 25.09 0.00 1.38 0.40 0.08 73.06 Average: 2 29.38 0.00 1.77 0.81 0.08 67.96 Average: 3 33.22 0.00 1.30 0.36 0.07 65.05 Average: 4 21.51 0.00 1.10 0.36 0.06 76.96 Average: 5 31.70 0.00 1.20 0.40 0.07 66.62 Average: 6 30.46 0.00 1.35 0.19 0.08 67.92 Average: 7 25.39 0.00 0.94 0.17 0.06 73.44