---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-944 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 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 742 9467 4 5778 14904 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:51:30:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83673sec preferred_lft 83673sec inet6 fe80::f816:3eff:fe51:3067/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:81:f9:bd:4e:5f 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-944) 03/17/26 _x86_64_ (4 CPU) 20:24:39 LINUX RESTART (4 CPU) 20:30:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:26 17.50 2.26 14.14 1.10 134.60 3971.98 557.35 20:50:01 43.85 0.32 35.57 7.96 9.80 3632.68 10224.79 21:00:02 41.66 0.00 33.78 7.88 0.01 2670.08 7997.50 Average: 34.19 0.87 27.71 5.61 48.73 3422.00 6199.45 20:30:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:26 9379200 13055600 2900184 17.71 170168 3593720 3103424 17.81 664496 5893648 103476 20:50:01 9037844 13364296 2586072 15.79 198780 4167704 2742616 15.74 807008 6045964 36784 21:00:02 8394924 13150432 2795604 17.07 231688 4520720 2893636 16.61 917432 6522564 31444 Average: 8937323 13190109 2760620 16.86 200212 4094048 2913225 16.72 796312 6154059 57235 20:30:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:26 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 20:40:26 ens3 95.08 76.99 418.40 20.53 0.00 0.00 0.00 0.00 20:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5032.59 5032.59 4800.77 4800.77 0.00 0.00 0.00 0.00 20:50:01 ens3 68.84 51.22 270.24 15.10 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 4264.38 4264.38 4066.05 4066.05 0.00 0.00 0.00 0.00 21:00:02 ens3 62.45 48.32 20.60 18.21 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3069.89 3069.89 2927.45 2927.45 0.00 0.00 0.00 0.00 Average: ens3 75.56 58.96 235.97 17.99 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-944) 03/17/26 _x86_64_ (4 CPU) 20:24:39 LINUX RESTART (4 CPU) 20:30:24 CPU %user %nice %system %iowait %steal %idle 20:40:26 all 69.54 0.00 2.40 0.20 0.12 27.74 20:40:26 0 68.83 0.00 2.59 0.14 0.12 28.32 20:40:26 1 71.27 0.00 2.38 0.28 0.12 25.95 20:40:26 2 69.92 0.00 2.40 0.23 0.12 27.32 20:40:26 3 68.12 0.00 2.23 0.15 0.12 29.38 20:50:01 all 52.47 0.00 3.89 6.12 0.13 37.39 20:50:01 0 52.53 0.00 3.60 7.42 0.13 36.32 20:50:01 1 52.11 0.00 3.80 6.04 0.13 37.92 20:50:01 2 52.41 0.00 4.65 4.33 0.14 38.48 20:50:01 3 52.84 0.00 3.50 6.70 0.13 36.83 21:00:02 all 61.82 0.00 3.97 1.29 0.14 32.78 21:00:02 0 59.96 0.00 3.33 2.05 0.13 34.53 21:00:02 1 62.23 0.00 4.30 0.78 0.13 32.57 21:00:02 2 62.38 0.00 4.31 1.53 0.14 31.65 21:00:02 3 62.73 0.00 3.93 0.81 0.14 32.38 Average: all 61.42 0.00 3.41 2.48 0.13 32.56 Average: 0 60.56 0.00 3.16 3.14 0.13 33.01 Average: 1 62.03 0.00 3.49 2.31 0.13 32.05 Average: 2 61.71 0.00 3.77 1.99 0.13 32.39 Average: 3 61.36 0.00 3.22 2.49 0.13 32.80