---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53619 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 67G 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 650 10326 4 5011 14996 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:ef:36:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84782sec preferred_lft 84782sec inet6 fe80::f816:3eff:feef:3695/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:d5:b1:ee:4a:ce 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53619) 03/28/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:20 6.29 0.47 5.46 0.37 396.49 1008.24 4199.42 00:50:27 19.38 0.51 17.32 1.55 18.81 2484.33 3821.35 Average: 12.77 0.49 11.33 0.95 209.52 1738.98 4012.26 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:20 10558160 13774184 2188368 13.37 116396 3260248 2451328 14.07 636568 4827728 6984 00:50:27 9528120 13621032 2336616 14.27 137668 4072200 2539988 14.58 838412 5600648 410416 Average: 10043140 13697608 2262492 13.82 127032 3666224 2495658 14.33 737490 5214188 208700 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:20 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 00:40:20 ens3 14.09 9.81 159.40 2.29 0.00 0.00 0.00 0.00 00:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:27 lo 499.67 499.67 476.04 476.04 0.00 0.00 0.00 0.00 00:50:27 ens3 50.10 37.55 479.47 6.97 0.00 0.00 0.00 0.00 00:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 247.66 247.66 235.85 235.85 0.00 0.00 0.00 0.00 Average: ens3 31.92 23.54 317.85 4.60 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53619) 03/28/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:20 all 45.67 0.00 0.69 0.04 0.07 53.53 00:40:20 0 44.50 0.00 0.72 0.04 0.07 54.67 00:40:20 1 34.74 0.00 0.71 0.05 0.07 64.43 00:40:20 2 47.48 0.00 0.69 0.03 0.06 51.74 00:40:20 3 56.02 0.00 0.64 0.02 0.06 43.25 00:50:27 all 54.06 0.00 1.35 0.06 0.07 44.46 00:50:27 0 48.07 0.00 1.35 0.03 0.07 50.47 00:50:27 1 76.48 0.00 1.35 0.04 0.08 22.05 00:50:27 2 44.84 0.00 1.38 0.04 0.08 53.66 00:50:27 3 46.91 0.00 1.30 0.12 0.06 51.61 Average: all 49.82 0.00 1.02 0.05 0.07 49.05 Average: 0 46.27 0.00 1.04 0.03 0.07 52.59 Average: 1 55.34 0.00 1.02 0.05 0.07 43.51 Average: 2 46.17 0.00 1.03 0.04 0.07 52.69 Average: 3 51.51 0.00 0.97 0.07 0.06 47.38