---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12099 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 658 10516 4 4814 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:e6:b5:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84847sec preferred_lft 84847sec inet6 fe80::f816:3eff:fee6:b5ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:fc:e5:30:7e:c4 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-12099) 05/09/26 _x86_64_ (4 CPU) 00:25:19 LINUX RESTART (4 CPU) 00:30:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:22 4.19 0.11 3.88 0.19 9.24 628.44 158.29 00:50:11 24.47 0.82 21.56 2.09 30.89 6285.77 7972.46 Average: 14.24 0.46 12.64 1.13 19.97 3432.06 4030.79 00:30:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:22 9558648 12575356 3388016 20.69 113412 3065496 3600356 20.67 497084 5955392 152 00:50:11 10798668 15371208 585572 3.58 136184 4537552 1114836 6.40 872800 4284732 36 Average: 10178658 13973282 1986794 12.13 124798 3801524 2357596 13.53 684942 5120062 94 00:30:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:22 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 00:40:22 ens3 13.70 9.80 36.25 3.36 0.00 0.00 0.00 0.00 00:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:11 lo 535.58 535.58 508.36 508.36 0.00 0.00 0.00 0.00 00:50:11 ens3 63.73 49.11 523.30 59.51 0.00 0.00 0.00 0.00 00:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 265.73 265.73 252.12 252.12 0.00 0.00 0.00 0.00 Average: ens3 38.49 29.28 277.62 31.18 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-12099) 05/09/26 _x86_64_ (4 CPU) 00:25:19 LINUX RESTART (4 CPU) 00:30:22 CPU %user %nice %system %iowait %steal %idle 00:40:22 all 49.83 0.00 0.71 0.06 0.08 49.32 00:40:22 0 48.28 0.00 0.79 0.06 0.09 50.77 00:40:22 1 46.71 0.00 0.74 0.08 0.08 52.39 00:40:22 2 57.99 0.00 0.68 0.03 0.09 41.21 00:40:22 3 46.33 0.00 0.64 0.05 0.08 52.90 00:50:11 all 54.80 0.00 1.40 0.51 0.09 43.20 00:50:11 0 48.11 0.00 1.24 0.81 0.09 49.75 00:50:11 1 70.86 0.00 1.18 0.51 0.10 27.35 00:50:11 2 48.20 0.00 1.48 0.08 0.09 50.15 00:50:11 3 52.04 0.00 1.71 0.63 0.09 45.53 Average: all 52.29 0.00 1.06 0.28 0.09 46.29 Average: 0 48.20 0.00 1.02 0.43 0.09 50.26 Average: 1 58.67 0.00 0.96 0.29 0.09 39.99 Average: 2 53.14 0.00 1.08 0.05 0.09 45.64 Average: 3 49.16 0.00 1.17 0.34 0.08 49.25