---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11761 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 11G 67G 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 624 10550 4 4813 15021 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:25:b9:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84832sec preferred_lft 84832sec inet6 fe80::f816:3eff:fe25:b984/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:75:74:a7:ae:5c 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-11761) 05/07/26 _x86_64_ (4 CPU) 15:28:57 LINUX RESTART (4 CPU) 15:30:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:19 13.91 3.11 10.50 0.31 173.10 3377.49 319.80 15:50:01 15.86 0.53 14.23 1.10 19.41 2164.45 6467.84 Average: 14.88 1.82 12.35 0.70 96.69 2774.40 3376.44 15:30:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:19 9427568 12400032 3563820 21.77 111740 3026636 3733480 21.43 486192 6113728 7548 15:50:01 9214680 12911624 3047860 18.62 131668 3691072 3213516 18.45 700040 6071712 256244 Average: 9321124 12655828 3305840 20.19 121704 3358854 3473498 19.94 593116 6092720 131896 15:30:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:19 lo 0.81 0.81 0.40 0.40 0.00 0.00 0.00 0.00 15:40:19 ens3 68.07 53.99 749.31 9.53 0.00 0.00 0.00 0.00 15:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 444.61 444.61 423.83 423.83 0.00 0.00 0.00 0.00 15:50:01 ens3 44.37 32.30 449.04 4.88 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 221.45 221.45 210.92 210.92 0.00 0.00 0.00 0.00 Average: ens3 56.28 43.21 600.02 7.22 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-11761) 05/07/26 _x86_64_ (4 CPU) 15:28:57 LINUX RESTART (4 CPU) 15:30:30 CPU %user %nice %system %iowait %steal %idle 15:40:19 all 51.93 0.00 1.05 0.08 0.09 46.85 15:40:19 0 51.23 0.00 0.87 0.05 0.09 47.76 15:40:19 1 55.83 0.00 1.18 0.08 0.09 42.82 15:40:19 2 51.01 0.00 1.08 0.06 0.10 47.75 15:40:19 3 49.67 0.00 1.07 0.11 0.09 49.06 15:50:01 all 52.47 0.00 1.14 0.05 0.08 46.27 15:50:01 0 44.35 0.00 1.08 0.02 0.08 54.47 15:50:01 1 55.71 0.00 1.08 0.03 0.08 43.09 15:50:01 2 55.12 0.00 1.09 0.10 0.08 43.61 15:50:01 3 54.70 0.00 1.30 0.04 0.07 43.89 Average: all 52.20 0.00 1.09 0.06 0.08 46.56 Average: 0 47.81 0.00 0.98 0.04 0.08 51.10 Average: 1 55.77 0.00 1.13 0.06 0.08 42.96 Average: 2 53.05 0.00 1.09 0.08 0.09 45.69 Average: 3 52.17 0.00 1.18 0.08 0.08 46.49