---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-80 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 680 10488 4 4820 14966 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:a8:0e:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84538sec preferred_lft 84538sec inet6 fe80::f816:3eff:fea8:ef6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:be:f0:90:1e:0b 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-80) 07/29/26 _x86_64_ (4 CPU) 00:08:35 LINUX RESTART (4 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:17 32.02 2.77 15.66 13.60 156.20 3686.49 236314.14 00:30:17 14.21 0.78 12.15 1.29 27.99 2344.29 2875.19 Average: 23.23 1.79 13.93 7.52 92.91 3023.94 121081.17 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:17 10950848 14105900 1855436 11.33 121532 3174876 2213992 12.71 520600 4537808 34908 00:30:17 9123620 13301500 2651244 16.19 162500 4068848 3139500 18.02 758824 6031412 361600 Average: 10037234 13703700 2253340 13.76 142016 3621862 2676746 15.36 639712 5284610 198254 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:17 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 00:20:17 ens3 80.46 64.23 792.36 12.59 0.00 0.00 0.00 0.00 00:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:17 lo 227.95 227.95 216.16 216.16 0.00 0.00 0.00 0.00 00:30:17 ens3 92.97 67.82 330.98 19.06 0.00 0.00 0.00 0.00 00:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 112.88 112.88 106.74 106.74 0.00 0.00 0.00 0.00 Average: ens3 86.64 66.00 564.61 15.78 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-80) 07/29/26 _x86_64_ (4 CPU) 00:08:35 LINUX RESTART (4 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:17 all 31.73 0.00 1.09 0.10 0.05 67.03 00:20:17 0 31.87 0.00 1.05 0.04 0.05 66.98 00:20:17 1 29.58 0.00 1.08 0.03 0.05 69.26 00:20:17 2 34.50 0.00 1.25 0.20 0.06 63.99 00:20:17 3 30.97 0.00 0.99 0.12 0.05 67.87 00:30:17 all 70.04 0.00 2.27 0.53 0.09 27.07 00:30:17 0 69.55 0.00 2.23 1.59 0.09 26.54 00:30:17 1 69.49 0.00 2.19 0.02 0.09 28.21 00:30:17 2 73.26 0.00 2.48 0.03 0.09 24.14 00:30:17 3 67.85 0.00 2.19 0.47 0.09 29.40 Average: all 50.63 0.00 1.67 0.31 0.07 47.31 Average: 0 50.46 0.00 1.63 0.80 0.07 47.03 Average: 1 49.26 0.00 1.63 0.03 0.07 49.02 Average: 2 53.65 0.00 1.86 0.12 0.07 44.30 Average: 3 49.17 0.00 1.58 0.30 0.07 48.89