---> uname -a: Linux prd-centos8-docker-4c-4g-580.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 745 12251 19 2766 14682 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:fa:98:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.76/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fefa:98ea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:90:6c:17 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) 01/15/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 197.65 15.00 182.66 3202.00 10517.48 01:25:01 PM 173.50 6.18 167.32 1055.16 13463.11 01:26:01 PM 33.19 1.27 31.93 53.32 770.32 Average: 134.79 7.48 127.31 1436.93 8250.43 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12921264 14890992 3220268 19.95 2688 2177096 1335104 7.77 182872 2642644 123932 01:25:01 PM 11587180 13827340 4554352 28.22 2688 2442812 2273772 13.23 250032 3886964 2556 01:26:01 PM 12576648 15062364 3564884 22.09 2688 2686504 1088720 6.33 516484 2634028 262164 Average: 12361697 14593565 3779835 23.42 2688 2435471 1565865 9.11 316463 3054545 129551 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 138.79 110.45 1550.71 29.08 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 13.93 13.93 3.60 3.60 0.00 0.00 0.00 0.00 01:25:01 PM eth0 322.81 219.73 3724.12 43.78 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 14.98 14.98 2.47 2.47 0.00 0.00 0.00 0.00 01:26:01 PM eth0 63.07 70.24 272.71 930.13 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.64 9.64 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 174.89 133.47 1849.16 334.31 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) 01/15/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.96 0.00 2.31 2.09 0.10 69.54 01:24:01 PM 0 36.85 0.00 3.18 3.43 0.10 56.45 01:24:01 PM 1 28.52 0.00 2.31 0.87 0.08 68.22 01:24:01 PM 2 13.99 0.00 1.61 2.43 0.12 81.86 01:24:01 PM 3 24.47 0.00 2.14 1.66 0.08 71.65 01:25:01 PM all 49.52 0.00 1.87 1.55 0.10 46.97 01:25:01 PM 0 54.32 0.00 1.97 0.92 0.10 42.69 01:25:01 PM 1 48.18 0.00 2.11 1.39 0.12 48.21 01:25:01 PM 2 52.44 0.00 1.19 0.43 0.08 45.86 01:25:01 PM 3 43.16 0.00 2.21 3.44 0.08 51.11 01:26:01 PM all 16.50 0.00 1.41 0.11 0.08 81.89 01:26:01 PM 0 16.79 0.00 1.92 0.08 0.08 81.12 01:26:01 PM 1 22.29 0.00 1.15 0.13 0.07 76.36 01:26:01 PM 2 12.53 0.00 1.30 0.22 0.10 85.85 01:26:01 PM 3 14.39 0.00 1.29 0.00 0.08 84.24 Average: all 30.66 0.00 1.86 1.25 0.09 66.14 Average: 0 35.98 0.00 2.36 1.48 0.09 60.10 Average: 1 32.98 0.00 1.86 0.80 0.09 64.28 Average: 2 26.33 0.00 1.37 1.03 0.10 71.18 Average: 3 27.34 0.00 1.88 1.70 0.08 69.00