---> uname -a: Linux prd-centos8-docker-4c-4g-1268.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 804 12193 19 2765 14623 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:24:c8:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.187/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe24:c870/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:57:9c:53:01 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) 01/18/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 283.51 19.41 264.10 4188.20 12812.25 01:26:01 PM 40.30 1.65 38.65 63.58 7972.26 01:27:01 PM 60.40 1.43 58.96 91.17 9704.57 Average: 128.07 7.50 120.57 1447.65 10163.02 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 11917664 14152348 4223868 26.17 2688 2437700 1924248 11.19 232840 3575652 228584 01:26:01 PM 11438264 13678344 4703268 29.14 2688 2442872 2646932 15.40 250684 4032876 916 01:27:01 PM 12513380 15000520 3628152 22.48 2688 2687392 1141548 6.64 521936 2688900 8352 Average: 11956436 14277071 4185096 25.93 2688 2522655 1904243 11.08 335153 3432476 79284 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 406.40 297.85 4478.29 64.31 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 24.94 24.94 5.06 5.06 0.00 0.00 0.00 0.00 01:26:01 PM eth0 21.08 13.91 6.74 15.31 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 01:27:01 PM lo 3.65 3.65 0.98 0.98 0.00 0.00 0.00 0.00 01:27:01 PM eth0 64.58 73.24 278.91 928.06 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.53 9.53 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 164.02 128.33 1587.98 335.89 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) 01/18/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 42.62 0.00 2.83 1.48 0.09 52.98 01:25:01 PM 0 46.00 0.00 3.36 1.70 0.10 48.84 01:25:01 PM 1 41.83 0.00 3.12 1.72 0.10 53.22 01:25:01 PM 2 37.61 0.00 2.58 1.19 0.08 58.54 01:25:01 PM 3 45.05 0.00 2.24 1.31 0.08 51.32 01:26:01 PM all 26.10 0.00 0.74 0.25 0.07 72.83 01:26:01 PM 0 32.20 0.00 0.20 0.03 0.08 67.48 01:26:01 PM 1 25.11 0.00 1.14 0.35 0.07 73.34 01:26:01 PM 2 32.27 0.00 0.45 0.02 0.07 67.20 01:26:01 PM 3 14.82 0.00 1.17 0.62 0.07 83.33 01:27:01 PM all 23.74 0.00 1.98 0.38 0.08 73.82 01:27:01 PM 0 24.52 0.00 2.22 0.52 0.08 72.66 01:27:01 PM 1 39.72 0.00 2.64 0.32 0.08 57.25 01:27:01 PM 2 12.45 0.00 1.72 0.62 0.07 85.15 01:27:01 PM 3 18.24 0.00 1.35 0.07 0.08 80.25 Average: all 30.82 0.00 1.85 0.70 0.08 66.55 Average: 0 34.24 0.00 1.92 0.75 0.09 63.00 Average: 1 35.55 0.00 2.30 0.80 0.08 61.27 Average: 2 27.43 0.00 1.58 0.61 0.07 70.30 Average: 3 26.02 0.00 1.59 0.66 0.08 71.65