---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-134 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 66G 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 682 9247 4 6058 14963 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:26:73:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84103sec preferred_lft 84103sec inet6 fe80::f816:3eff:fe26:7363/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:bb:f8:b9:52:8a 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-134) 09/05/26 _x86_64_ (4 CPU) 01:06:37 LINUX RESTART (4 CPU) 01:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 20.92 2.55 15.91 2.47 149.42 3510.65 38531.50 01:30:04 8.61 0.01 7.25 1.35 0.17 689.70 21768.32 01:40:10 36.49 0.45 31.07 4.97 19.38 8089.45 24860.02 Average: 22.04 0.99 18.12 2.94 55.45 4109.16 28292.27 01:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9365040 12859256 3099224 18.93 129436 3484716 3398028 19.50 662796 5951932 17684 01:30:04 9306800 12959476 2997312 18.31 139528 3618120 3318508 19.05 696316 5964008 1580 01:40:10 9541444 15387696 558668 3.41 177296 5671692 1130724 6.49 1585184 4709464 24756 Average: 9404428 13735476 2218401 13.55 148753 4258176 2615753 15.01 981432 5541801 14673 01:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.19 1.19 0.22 0.22 0.00 0.00 0.00 0.00 01:20:01 ens3 112.79 88.75 718.01 14.92 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:04 lo 56.51 56.51 14.37 14.37 0.00 0.00 0.00 0.00 01:30:04 ens3 5.30 3.97 4.27 1.58 0.00 0.00 0.00 0.00 01:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:10 lo 2506.65 2506.65 2409.46 2409.46 0.00 0.00 0.00 0.00 01:40:10 ens3 74.70 61.95 498.56 15.49 0.00 0.00 0.00 0.00 01:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 865.27 865.27 818.01 818.01 0.00 0.00 0.00 0.00 Average: ens3 63.86 51.25 404.43 10.64 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-134) 09/05/26 _x86_64_ (4 CPU) 01:06:37 LINUX RESTART (4 CPU) 01:10:14 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 32.14 0.00 1.30 0.13 0.02 66.41 01:20:01 0 31.95 0.00 1.12 0.16 0.02 66.75 01:20:01 1 32.51 0.00 1.00 0.16 0.02 66.32 01:20:01 2 30.49 0.00 1.67 0.10 0.02 67.73 01:20:01 3 33.63 0.00 1.41 0.09 0.02 64.85 01:30:04 all 16.29 0.00 0.99 0.05 0.02 82.65 01:30:04 0 16.77 0.00 1.11 0.10 0.02 82.00 01:30:04 1 16.49 0.00 0.94 0.04 0.02 82.52 01:30:04 2 15.68 0.00 0.97 0.02 0.02 83.31 01:30:04 3 16.22 0.00 0.93 0.04 0.02 82.79 01:40:10 all 46.81 0.00 2.89 0.13 0.03 50.15 01:40:10 0 44.65 0.00 2.80 0.22 0.03 52.30 01:40:10 1 46.44 0.00 2.45 0.08 0.03 51.01 01:40:10 2 49.68 0.00 3.16 0.07 0.03 47.06 01:40:10 3 46.45 0.00 3.15 0.14 0.02 50.23 Average: all 31.76 0.00 1.73 0.10 0.02 66.38 Average: 0 31.13 0.00 1.68 0.16 0.02 67.01 Average: 1 31.84 0.00 1.47 0.09 0.02 66.58 Average: 2 31.99 0.00 1.94 0.06 0.02 65.98 Average: 3 32.10 0.00 1.83 0.09 0.02 65.96