---> uname -a: Linux prd-centos8-docker-4c-4g-92.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: 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): 0-3 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 752 12247 19 2763 14675 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:de:1d:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.197/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fede:1da4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:e5:24:49 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) 01/13/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 214.79 14.79 200.00 3092.72 10446.14 01:25:01 PM 148.71 6.30 142.41 1080.79 13012.78 01:26:01 PM 33.93 1.23 32.69 52.39 918.65 Average: 132.49 7.44 125.05 1408.79 8126.66 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12896748 14870148 3244784 20.10 2688 2179588 1338984 7.79 185008 2658904 128168 01:25:01 PM 11646724 13883740 4494808 27.85 2688 2439592 2251400 13.10 250340 3822712 8288 01:26:01 PM 12588964 15073400 3552568 22.01 2688 2685132 1104836 6.43 473120 2661132 263540 Average: 12377479 14609096 3764053 23.32 2688 2434771 1565073 9.10 302823 3047583 133332 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 154.14 127.84 1578.08 32.93 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 12.53 12.53 3.50 3.50 0.00 0.00 0.00 0.00 01:25:01 PM eth0 304.21 206.65 3665.68 38.11 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 16.46 16.46 2.58 2.58 0.00 0.00 0.00 0.00 01:26:01 PM eth0 62.19 52.96 273.24 23.72 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 9.66 9.66 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 173.53 129.16 1839.17 31.59 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) 01/13/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.87 0.00 2.46 1.16 0.08 69.42 01:24:01 PM 0 39.90 0.00 3.70 1.59 0.08 54.73 01:24:01 PM 1 16.84 0.00 1.82 0.74 0.08 80.52 01:24:01 PM 2 31.21 0.00 2.67 1.30 0.08 64.73 01:24:01 PM 3 19.52 0.00 1.66 1.02 0.07 77.74 01:25:01 PM all 48.47 0.00 1.81 0.79 0.08 48.85 01:25:01 PM 0 41.66 0.00 2.46 1.47 0.10 54.31 01:25:01 PM 1 51.50 0.00 1.97 0.87 0.08 45.57 01:25:01 PM 2 55.79 0.00 0.72 0.37 0.07 43.06 01:25:01 PM 3 44.91 0.00 2.09 0.47 0.08 52.45 01:26:01 PM all 15.71 0.00 1.24 0.13 0.07 82.84 01:26:01 PM 0 10.99 0.00 1.45 0.17 0.07 87.32 01:26:01 PM 1 24.29 0.00 1.29 0.10 0.08 74.24 01:26:01 PM 2 13.17 0.00 1.12 0.23 0.07 85.41 01:26:01 PM 3 14.38 0.00 1.12 0.03 0.07 84.40 Average: all 30.35 0.00 1.84 0.70 0.08 67.04 Average: 0 30.84 0.00 2.54 1.07 0.08 65.46 Average: 1 30.87 0.00 1.69 0.57 0.08 66.78 Average: 2 33.40 0.00 1.50 0.63 0.07 64.39 Average: 3 26.27 0.00 1.62 0.51 0.07 71.53