---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-93218 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: 5600.00 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 12G 67G 15% / 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 654 9519 4 5815 14992 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:46:1f:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84573sec preferred_lft 84573sec inet6 fe80::f816:3eff:fe46:1f90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:8f:4d:97:6b:da 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-93218) 03/06/26 _x86_64_ (4 CPU) 01:09:21 LINUX RESTART (4 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 38.43 3.52 31.05 3.86 185.18 5170.68 35384.61 01:30:12 16.22 0.16 13.76 2.31 4.62 1769.45 28445.10 Average: 27.13 1.81 22.25 3.07 93.29 3439.70 31852.90 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9818324 13096008 2864244 17.49 126724 3283664 3109084 17.85 656300 5501556 2100 01:30:12 9189680 13034108 2921800 17.85 149208 3788948 3196560 18.35 812044 5949820 180444 Average: 9504002 13065058 2893022 17.67 137966 3536306 3152822 18.10 734172 5725688 91272 01:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 16.96 16.96 3.68 3.68 0.00 0.00 0.00 0.00 01:20:01 ens3 90.04 70.67 785.35 13.99 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:12 lo 694.69 694.69 629.46 629.46 0.00 0.00 0.00 0.00 01:30:12 ens3 38.55 26.17 239.44 6.29 0.00 0.00 0.00 0.00 01:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 361.87 361.87 322.16 322.16 0.00 0.00 0.00 0.00 Average: ens3 63.83 48.03 507.52 10.07 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-93218) 03/06/26 _x86_64_ (4 CPU) 01:09:21 LINUX RESTART (4 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 33.81 0.00 1.36 0.28 0.08 64.47 01:20:01 0 34.37 0.00 1.41 0.16 0.08 63.99 01:20:01 1 31.36 0.00 1.30 0.48 0.08 66.77 01:20:01 2 36.68 0.00 1.66 0.36 0.08 61.21 01:20:01 3 32.82 0.00 1.06 0.12 0.08 65.91 01:30:12 all 25.12 0.00 1.29 0.10 0.08 73.41 01:30:12 0 24.68 0.00 1.13 0.05 0.08 74.06 01:30:12 1 25.40 0.00 1.17 0.15 0.08 73.20 01:30:12 2 25.17 0.00 1.32 0.10 0.08 73.33 01:30:12 3 25.24 0.00 1.54 0.11 0.08 73.03 Average: all 29.39 0.00 1.32 0.19 0.08 69.02 Average: 0 29.43 0.00 1.26 0.11 0.08 69.12 Average: 1 28.33 0.00 1.23 0.31 0.08 70.04 Average: 2 30.83 0.00 1.49 0.23 0.08 67.37 Average: 3 28.97 0.00 1.31 0.12 0.08 69.53