---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58895 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 13G 66G 16% / 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 680 8447 4 6861 14965 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:ea:93:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84103sec preferred_lft 84103sec inet6 fe80::f816:3eff:feea:93f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:49:b2:7c:1f:af 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-58895) 09/26/26 _x86_64_ (4 CPU) 13:55:23 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:04 36.87 0.31 20.45 16.11 213.49 2706.51 245554.23 14:20:04 32.36 0.02 29.10 3.24 0.57 4474.82 7936.04 14:30:01 10.79 0.18 9.48 1.13 10.87 6207.72 49859.29 Average: 26.72 0.17 19.70 6.85 75.37 4456.41 101495.42 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:04 8159048 12072240 3883220 23.72 143652 3875164 3895356 22.36 776632 7030092 2044 14:20:04 7396376 12341060 3609416 22.04 163192 4839852 3533976 20.28 1063016 7441620 2464 14:30:01 8694932 15358952 586572 3.58 176944 6489572 1147144 6.58 1712808 5433260 27368 Average: 8083452 13257417 2693069 16.45 161263 5068196 2858825 16.41 1184152 6634991 10625 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:04 lo 1411.50 1411.50 1338.71 1338.71 0.00 0.00 0.00 0.00 14:10:04 ens3 41.66 32.76 106.80 11.47 0.00 0.00 0.00 0.00 14:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:04 lo 1482.06 1482.06 1412.44 1412.44 0.00 0.00 0.00 0.00 14:20:04 ens3 38.86 30.72 30.03 12.01 0.00 0.00 0.00 0.00 14:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 2581.20 2581.20 9337.47 9337.47 0.00 0.00 0.00 0.00 14:30:01 ens3 29.62 26.21 98.57 40.63 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 Average: lo 1822.74 1822.74 4014.70 4014.70 0.00 0.00 0.00 0.00 Average: ens3 36.73 29.91 78.49 21.31 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-58895) 09/26/26 _x86_64_ (4 CPU) 13:55:23 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:04 all 65.17 0.00 2.68 0.10 0.03 32.01 14:10:04 0 65.39 0.00 2.97 0.09 0.02 31.52 14:10:04 1 64.16 0.00 2.43 0.07 0.02 33.31 14:10:04 2 66.23 0.00 2.52 0.13 0.02 31.10 14:10:04 3 64.90 0.00 2.80 0.12 0.04 32.14 14:20:04 all 61.43 0.00 2.92 0.12 0.04 35.49 14:20:04 0 60.12 0.00 2.86 0.12 0.04 36.86 14:20:04 1 61.16 0.00 2.80 0.10 0.04 35.90 14:20:04 2 62.77 0.00 3.12 0.05 0.04 34.01 14:20:04 3 61.67 0.00 2.88 0.23 0.05 35.18 14:30:01 all 29.20 0.00 1.40 0.12 0.02 69.27 14:30:01 0 29.70 0.00 1.80 0.13 0.02 68.36 14:30:01 1 30.81 0.00 1.16 0.02 0.03 67.99 14:30:01 2 32.62 0.00 0.96 0.29 0.02 66.12 14:30:01 3 23.64 0.00 1.67 0.05 0.02 74.62 Average: all 51.98 0.00 2.33 0.12 0.03 45.54 Average: 0 51.79 0.00 2.54 0.11 0.03 45.53 Average: 1 52.10 0.00 2.14 0.06 0.03 45.68 Average: 2 53.89 0.00 2.20 0.16 0.02 43.72 Average: 3 50.13 0.00 2.45 0.13 0.03 47.25