---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9928 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 737 9512 4 5740 14909 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:c4:a5:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84553sec preferred_lft 84553sec inet6 fe80::f816:3eff:fec4:a57e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:61:63:80:69:7e 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9928) 04/30/26 _x86_64_ (4 CPU) 12:38:05 LINUX RESTART (4 CPU) 12:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 26.96 2.90 22.36 1.71 357.32 5528.36 6175.67 13:00:06 33.56 0.05 29.99 3.52 1.64 3399.32 29530.67 Average: 30.29 1.46 26.21 2.62 177.83 4453.94 17961.77 12:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 9020936 12971348 2984480 18.23 155116 3879908 3224084 18.51 788820 6142688 185364 13:00:06 8739648 13354752 2596368 15.86 190872 4458492 2782556 15.97 949300 6199888 273184 Average: 8880292 13163050 2790424 17.04 172994 4169200 3003320 17.24 869060 6171288 229274 12:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 736.72 736.72 702.14 702.14 0.00 0.00 0.00 0.00 12:50:01 ens3 120.72 90.55 905.96 18.48 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:06 lo 1535.64 1535.64 1463.80 1463.80 0.00 0.00 0.00 0.00 13:00:06 ens3 62.19 45.84 214.87 13.19 0.00 0.00 0.00 0.00 13:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1139.89 1139.89 1086.51 1086.51 0.00 0.00 0.00 0.00 Average: ens3 91.18 67.99 557.20 15.81 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9928) 04/30/26 _x86_64_ (4 CPU) 12:38:05 LINUX RESTART (4 CPU) 12:40:06 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 59.52 0.00 2.01 0.28 0.10 38.10 12:50:01 0 59.92 0.00 2.23 0.33 0.10 37.42 12:50:01 1 60.24 0.00 1.94 0.08 0.10 37.64 12:50:01 2 58.65 0.00 1.97 0.46 0.09 38.81 12:50:01 3 59.26 0.00 1.89 0.24 0.10 38.52 13:00:06 all 56.18 0.00 2.39 0.44 0.10 40.89 13:00:06 0 56.74 0.00 2.12 0.38 0.10 40.67 13:00:06 1 55.21 0.00 2.51 0.38 0.10 41.80 13:00:06 2 57.59 0.00 2.82 0.67 0.10 38.82 13:00:06 3 55.18 0.00 2.12 0.33 0.09 42.28 Average: all 57.83 0.00 2.20 0.36 0.10 39.51 Average: 0 58.31 0.00 2.17 0.36 0.10 39.06 Average: 1 57.70 0.00 2.23 0.23 0.10 39.73 Average: 2 58.12 0.00 2.40 0.57 0.10 38.82 Average: 3 57.20 0.00 2.01 0.28 0.09 40.42