---> uname -a: Linux prd-centos8-docker-8c-8g-18967.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: 2800.000 BogoMIPS: 5600.00 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 1626 27782 19 2481 29817 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:16:47:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.146/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fe16:4790/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6a:5a:fb:cf 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) 02/21/2026 _x86_64_ (8 CPU) 14:01:21 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 207.28 2.30 204.98 678.82 10924.31 02:04:01 PM 104.75 1.47 103.28 386.80 10801.25 02:05:01 PM 46.56 2.32 44.24 113.85 4262.46 Average: 119.53 2.03 117.50 393.16 8662.79 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 27834140 29721632 4821572 14.76 2688 2203644 3316128 9.84 177048 4174720 218988 02:04:01 PM 27492760 29532840 5162952 15.81 2688 2351268 2916432 8.65 223832 4447980 66964 02:05:01 PM 28412504 30494012 4243208 12.99 2688 2391076 2099712 6.23 448880 3303696 23112 Average: 27913135 29916161 4742577 14.52 2688 2315329 2777424 8.24 283253 3975465 103021 02:02:01 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 235.03 197.72 3276.67 36.37 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 137.47 116.13 1379.52 28.57 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 283.75 190.57 568.27 141.10 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 218.75 168.13 1741.46 68.68 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) 02/21/2026 _x86_64_ (8 CPU) 14:01:21 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 22.11 0.00 1.29 0.87 0.07 75.66 02:03:01 PM 0 14.69 0.00 1.14 1.30 0.08 82.79 02:03:01 PM 1 22.76 0.00 1.50 0.92 0.07 74.75 02:03:01 PM 2 18.66 0.00 0.55 0.37 0.07 80.35 02:03:01 PM 3 12.60 0.00 0.85 0.35 0.07 86.13 02:03:01 PM 4 33.86 0.00 1.23 0.48 0.05 64.37 02:03:01 PM 5 28.07 0.00 1.59 1.45 0.07 68.82 02:03:01 PM 6 19.12 0.00 1.52 1.13 0.07 78.16 02:03:01 PM 7 27.11 0.00 1.92 0.93 0.07 69.97 02:04:01 PM all 41.85 0.00 1.54 0.64 0.09 55.88 02:04:01 PM 0 44.87 0.00 1.75 0.10 0.08 53.19 02:04:01 PM 1 46.64 0.00 1.59 0.97 0.08 50.73 02:04:01 PM 2 38.93 0.00 1.34 1.02 0.08 58.62 02:04:01 PM 3 36.58 0.00 1.10 0.10 0.10 62.12 02:04:01 PM 4 46.27 0.00 1.40 0.40 0.08 51.84 02:04:01 PM 5 39.90 0.00 1.79 0.57 0.08 57.66 02:04:01 PM 6 38.03 0.00 1.52 1.56 0.10 58.79 02:04:01 PM 7 43.58 0.00 1.82 0.43 0.08 54.08 02:05:01 PM all 18.18 0.00 1.06 0.24 0.06 80.46 02:05:01 PM 0 21.53 0.00 1.47 0.10 0.07 76.83 02:05:01 PM 1 12.02 0.00 1.07 0.12 0.07 86.73 02:05:01 PM 2 11.86 0.00 1.05 0.03 0.07 86.99 02:05:01 PM 3 33.13 0.00 1.10 0.20 0.07 65.50 02:05:01 PM 4 22.87 0.00 1.04 0.42 0.05 75.63 02:05:01 PM 5 10.71 0.00 0.82 0.08 0.05 88.33 02:05:01 PM 6 11.25 0.00 1.29 0.95 0.08 86.42 02:05:01 PM 7 22.02 0.00 0.67 0.00 0.05 77.26 Average: all 27.38 0.00 1.30 0.58 0.07 70.67 Average: 0 27.02 0.00 1.45 0.50 0.08 70.94 Average: 1 27.14 0.00 1.39 0.67 0.07 70.73 Average: 2 23.14 0.00 0.98 0.47 0.07 75.33 Average: 3 27.45 0.00 1.02 0.22 0.08 71.24 Average: 4 34.33 0.00 1.22 0.43 0.06 63.95 Average: 5 26.23 0.00 1.40 0.70 0.07 71.60 Average: 6 22.80 0.00 1.44 1.22 0.08 74.46 Average: 7 30.90 0.00 1.47 0.46 0.07 67.11