---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24165 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 638 10573 4 4777 15008 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:7b:9e:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84573sec preferred_lft 84573sec inet6 fe80::f816:3eff:fe7b:9eee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:30:0f:4a:b0:7a 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-24165) 02/28/26 _x86_64_ (4 CPU) 14:38:27 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:18 16.19 2.72 12.68 0.79 155.67 3089.84 635.13 15:00:10 16.75 0.87 14.49 1.38 27.83 3275.33 3061.59 Average: 16.46 1.81 13.57 1.08 93.05 3180.69 1823.63 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:18 11282536 14300396 1661340 10.15 119612 3051024 2022048 11.61 513820 4226932 63240 15:00:10 9389672 13435004 2517496 15.38 164912 3940112 2727680 15.66 771108 5748940 140404 Average: 10336104 13867700 2089418 12.76 142262 3495568 2374864 13.63 642464 4987936 101822 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:18 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 14:50:18 ens3 81.36 64.66 774.21 12.85 0.00 0.00 0.00 0.00 14:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:10 lo 310.63 310.63 294.97 294.97 0.00 0.00 0.00 0.00 15:00:10 ens3 88.37 66.18 376.50 19.33 0.00 0.00 0.00 0.00 15:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 152.51 152.51 144.52 144.52 0.00 0.00 0.00 0.00 Average: ens3 84.79 65.40 579.41 16.02 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-24165) 02/28/26 _x86_64_ (4 CPU) 14:38:27 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:18 all 29.53 0.00 1.02 0.11 0.05 69.29 14:50:18 0 28.89 0.00 1.00 0.10 0.05 69.96 14:50:18 1 28.94 0.00 0.99 0.05 0.06 69.96 14:50:18 2 29.86 0.00 1.21 0.20 0.05 68.68 14:50:18 3 30.43 0.00 0.89 0.09 0.05 68.54 15:00:10 all 72.50 0.00 2.36 0.04 0.11 24.98 15:00:10 0 73.19 0.00 2.86 0.05 0.11 23.79 15:00:10 1 70.99 0.00 2.08 0.05 0.11 26.78 15:00:10 2 71.86 0.00 2.05 0.02 0.10 25.96 15:00:10 3 73.97 0.00 2.47 0.04 0.11 23.41 Average: all 50.55 0.00 1.68 0.08 0.08 47.62 Average: 0 50.53 0.00 1.91 0.08 0.08 47.40 Average: 1 49.51 0.00 1.52 0.05 0.08 48.84 Average: 2 50.42 0.00 1.62 0.11 0.07 47.77 Average: 3 51.73 0.00 1.66 0.07 0.08 46.46