---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8963 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 678 10587 4 4723 14967 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:1e:b7:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84473sec preferred_lft 84473sec inet6 fe80::f816:3eff:fe1e:b702/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:3d:9f:50:5e:8f 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-8963) 04/28/26 _x86_64_ (4 CPU) 07:50:31 LINUX RESTART (4 CPU) 08:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 10.25 0.44 8.74 1.07 16.66 2134.55 2399.96 08:20:04 28.80 0.78 23.76 4.26 26.91 4075.83 13406.20 Average: 19.56 0.61 16.28 2.67 21.81 3108.94 7924.36 08:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 10329112 13786692 2171772 13.26 143056 3421128 2492260 14.31 621292 5025716 43420 08:20:04 10901488 15378376 572996 3.50 171260 4345040 1089008 6.25 892612 4088096 268 Average: 10615300 14582534 1372384 8.38 157158 3883084 1790634 10.28 756952 4556906 21844 08:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 08:10:01 ens3 62.11 49.18 94.50 16.22 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:04 lo 1749.24 1749.24 1660.66 1660.66 0.00 0.00 0.00 0.00 08:20:04 ens3 105.98 88.49 411.28 103.15 0.00 0.00 0.00 0.00 08:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 878.69 878.69 833.61 833.61 0.00 0.00 0.00 0.00 Average: ens3 84.13 68.91 253.50 59.85 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-8963) 04/28/26 _x86_64_ (4 CPU) 07:50:31 LINUX RESTART (4 CPU) 08:00:04 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 71.14 0.00 2.32 0.02 0.12 26.39 08:10:01 0 68.41 0.00 2.41 0.02 0.12 29.05 08:10:01 1 74.48 0.00 2.61 0.04 0.12 22.75 08:10:01 2 70.44 0.00 2.13 0.02 0.12 27.29 08:10:01 3 71.24 0.00 2.14 0.03 0.12 26.48 08:20:04 all 55.57 0.00 2.47 0.07 0.09 41.79 08:20:04 0 52.21 0.00 2.42 0.06 0.09 45.21 08:20:04 1 56.98 0.00 2.35 0.03 0.09 40.54 08:20:04 2 57.69 0.00 2.79 0.16 0.09 39.26 08:20:04 3 55.40 0.00 2.31 0.05 0.10 42.16 Average: all 63.33 0.00 2.40 0.05 0.11 34.12 Average: 0 60.28 0.00 2.42 0.04 0.11 37.16 Average: 1 65.70 0.00 2.48 0.03 0.10 31.68 Average: 2 64.04 0.00 2.46 0.09 0.10 33.30 Average: 3 63.29 0.00 2.22 0.04 0.11 34.34