---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20416 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: 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 658 10487 4 4843 14988 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:81:e7:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84690sec preferred_lft 84690sec inet6 fe80::f816:3eff:fe81:e781/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:ee:49:1b:b0:3c 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-20416) 02/24/26 _x86_64_ (4 CPU) 10:44:37 LINUX RESTART (4 CPU) 10:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:05 12.52 0.67 10.76 1.09 25.10 2724.08 2202.10 11:10:01 27.61 0.62 22.99 4.00 22.46 4295.95 11505.71 Average: 20.08 0.64 16.89 2.55 23.78 3511.28 6861.40 10:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:05 10055668 13637952 2319740 14.17 145324 3538820 2565848 14.73 699180 5218692 110640 11:10:01 10798480 15396988 554196 3.38 171112 4461360 1104068 6.34 969596 4113928 24 Average: 10427074 14517470 1436968 8.78 158218 4000090 1834958 10.53 834388 4666310 55332 10:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:05 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 11:00:05 ens3 71.27 53.25 138.00 18.01 0.00 0.00 0.00 0.00 11:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 1619.57 1619.57 1537.35 1537.35 0.00 0.00 0.00 0.00 11:10:01 ens3 99.19 79.32 411.41 100.34 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 811.77 811.77 769.98 769.98 0.00 0.00 0.00 0.00 Average: ens3 85.25 66.31 274.93 59.24 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-20416) 02/24/26 _x86_64_ (4 CPU) 10:44:37 LINUX RESTART (4 CPU) 10:50:10 CPU %user %nice %system %iowait %steal %idle 11:00:05 all 71.82 0.00 2.23 0.04 0.10 25.81 11:00:05 0 71.11 0.00 2.28 0.03 0.10 26.48 11:00:05 1 73.00 0.00 1.90 0.03 0.10 24.96 11:00:05 2 71.16 0.00 2.45 0.05 0.10 26.25 11:00:05 3 72.03 0.00 2.28 0.04 0.10 25.55 11:10:01 all 53.53 0.00 2.27 0.09 0.08 44.03 11:10:01 0 51.96 0.00 2.46 0.06 0.08 45.45 11:10:01 1 53.52 0.00 2.30 0.07 0.08 44.04 11:10:01 2 52.93 0.00 2.04 0.12 0.08 44.83 11:10:01 3 55.74 0.00 2.27 0.10 0.09 41.81 Average: all 62.66 0.00 2.25 0.06 0.09 34.94 Average: 0 61.51 0.00 2.37 0.05 0.09 35.98 Average: 1 63.22 0.00 2.10 0.05 0.09 34.53 Average: 2 62.03 0.00 2.25 0.08 0.09 35.55 Average: 3 63.87 0.00 2.28 0.07 0.09 33.69