---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46858 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 745 9449 4 5794 14900 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:04:6e:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84393sec preferred_lft 84393sec inet6 fe80::f816:3eff:fe04:6e79/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:4f:14:20:3e:3e 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-46858) 09/02/26 _x86_64_ (4 CPU) 14:07:18 LINUX RESTART (4 CPU) 14:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:16 21.88 2.58 17.83 1.47 148.40 4648.91 4958.01 14:30:01 32.72 0.06 29.12 3.54 1.52 3243.43 18406.93 14:40:00 16.93 0.20 14.38 2.35 13.41 5815.26 2094.26 Average: 23.76 0.95 20.37 2.44 54.92 4580.49 8400.99 14:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:16 9330736 13126348 2829004 17.28 158392 3721316 3105408 17.83 711728 5905636 28112 14:30:01 8783324 13139484 2811728 17.17 190064 4205144 3109116 17.85 867328 6238068 21780 14:40:00 9759464 15332584 612260 3.74 211576 5332828 1102140 6.33 945740 5078688 11516 Average: 9291175 13866139 2084331 12.73 186677 4419763 2438888 14.00 841599 5740797 20469 14:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:16 lo 607.33 607.33 578.45 578.45 0.00 0.00 0.00 0.00 14:20:16 ens3 96.40 77.72 890.59 18.81 0.00 0.00 0.00 0.00 14:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1801.94 1801.94 1718.28 1718.28 0.00 0.00 0.00 0.00 14:30:01 ens3 35.17 27.84 162.53 10.53 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:00 lo 11.80 11.80 1.22 1.22 0.00 0.00 0.00 0.00 14:40:00 ens3 77.35 74.87 128.32 229.48 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 798.51 798.51 757.84 757.84 0.00 0.00 0.00 0.00 Average: ens3 69.94 60.42 395.94 86.90 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-46858) 09/02/26 _x86_64_ (4 CPU) 14:07:18 LINUX RESTART (4 CPU) 14:10:16 CPU %user %nice %system %iowait %steal %idle 14:20:16 all 56.16 0.00 2.17 0.09 0.04 41.54 14:20:16 0 56.00 0.00 1.94 0.08 0.04 41.95 14:20:16 1 56.26 0.00 2.38 0.06 0.04 41.27 14:20:16 2 55.96 0.00 2.44 0.10 0.04 41.46 14:20:16 3 56.44 0.00 1.93 0.12 0.04 41.47 14:30:01 all 57.74 0.00 2.72 0.10 0.03 39.41 14:30:01 0 58.18 0.00 2.72 0.11 0.03 38.96 14:30:01 1 56.91 0.00 3.10 0.09 0.03 39.88 14:30:01 2 59.50 0.00 2.40 0.13 0.03 37.94 14:30:01 3 56.38 0.00 2.67 0.06 0.03 40.86 14:40:00 all 44.35 0.00 1.71 0.21 0.05 53.69 14:40:00 0 43.03 0.00 1.46 0.11 0.04 55.37 14:40:00 1 50.80 0.00 2.22 0.38 0.04 46.55 14:40:00 2 41.27 0.00 1.28 0.17 0.05 57.23 14:40:00 3 42.29 0.00 1.87 0.18 0.05 55.61 Average: all 52.70 0.00 2.19 0.13 0.04 44.93 Average: 0 52.35 0.00 2.03 0.10 0.03 45.49 Average: 1 54.63 0.00 2.56 0.18 0.04 42.59 Average: 2 52.17 0.00 2.03 0.13 0.04 45.62 Average: 3 51.66 0.00 2.15 0.12 0.04 46.02