---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12248 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 717 10171 4 5100 14928 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:33:21:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84607sec preferred_lft 84607sec inet6 fe80::f816:3eff:fe33:216b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:44:d8:1b:e7:9a 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-12248) 05/09/26 _x86_64_ (4 CPU) 12:55:20 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:11 26.67 0.47 22.77 3.43 15.53 4046.36 8252.03 13:20:13 48.96 0.01 39.24 9.71 0.05 2634.00 18437.32 Average: 37.73 0.24 30.94 6.55 7.85 3345.73 13304.68 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:11 9280156 13316500 2637916 16.11 173820 3933836 3083728 17.70 679840 5977564 77828 13:20:13 8674292 13137096 2812988 17.18 207100 4285164 3052596 17.52 776656 6437868 151680 Average: 8977224 13226798 2725452 16.65 190460 4109500 3068162 17.61 728248 6207716 114754 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:11 lo 1694.21 1694.21 1615.24 1615.24 0.00 0.00 0.00 0.00 13:10:11 ens3 87.88 63.44 314.85 18.51 0.00 0.00 0.00 0.00 13:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:13 lo 5193.94 5193.94 4952.13 4952.13 0.00 0.00 0.00 0.00 13:20:13 ens3 57.77 44.32 20.47 14.97 0.00 0.00 0.00 0.00 13:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3430.33 3430.33 3270.58 3270.58 0.00 0.00 0.00 0.00 Average: ens3 72.94 53.96 168.81 16.76 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-12248) 05/09/26 _x86_64_ (4 CPU) 12:55:20 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:11 all 66.35 0.00 2.93 0.20 0.13 30.39 13:10:11 0 65.36 0.00 2.79 0.38 0.13 31.35 13:10:11 1 66.69 0.00 2.98 0.09 0.13 30.12 13:10:11 2 66.62 0.00 3.02 0.22 0.13 30.02 13:10:11 3 66.75 0.00 2.92 0.13 0.13 30.08 13:20:13 all 63.66 0.00 4.07 0.08 0.12 32.07 13:20:13 0 62.60 0.00 3.59 0.13 0.12 33.56 13:20:13 1 63.32 0.00 3.94 0.04 0.11 32.60 13:20:13 2 64.26 0.00 4.38 0.08 0.12 31.17 13:20:13 3 64.47 0.00 4.39 0.09 0.12 30.95 Average: all 65.02 0.00 3.50 0.14 0.12 31.22 Average: 0 63.99 0.00 3.19 0.26 0.12 32.44 Average: 1 65.02 0.00 3.45 0.06 0.12 31.35 Average: 2 65.45 0.00 3.69 0.15 0.12 30.59 Average: 3 65.62 0.00 3.65 0.11 0.12 30.51