---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5089 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: 5600.00 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 741 9437 4 5810 14904 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:cc:86:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83822sec preferred_lft 83822sec inet6 fe80::f816:3eff:fecc:86d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:ea:37:d0:45:df 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-5089) 09/08/26 _x86_64_ (4 CPU) 17:21:06 LINUX RESTART (4 CPU) 17:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:34 34.90 3.85 29.91 1.14 234.52 4746.88 811.35 17:50:22 38.38 0.34 31.91 6.14 10.51 3620.42 5822.65 18:00:01 42.52 0.00 34.46 8.06 0.00 2673.47 6412.58 Average: 38.49 1.46 32.02 5.00 85.96 3712.12 4248.97 17:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:34 10061248 13564440 2394304 14.62 137696 3494372 2889364 16.58 557016 5378380 48576 17:50:22 9048272 13306036 2645452 16.16 186508 4137420 2783344 15.98 757000 6102680 19712 18:00:01 8553968 13225908 2721556 16.62 215612 4478740 2925152 16.79 857828 6458448 22692 Average: 9221163 13365461 2587104 15.80 179939 4036844 2865953 16.45 723948 5979836 30327 17:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:34 lo 1.12 1.12 0.11 0.11 0.00 0.00 0.00 0.00 17:40:34 ens3 105.38 81.47 745.46 14.72 0.00 0.00 0.00 0.00 17:40:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:22 lo 4147.04 4147.04 3955.82 3955.82 0.00 0.00 0.00 0.00 17:50:22 ens3 59.62 50.77 322.14 12.69 0.00 0.00 0.00 0.00 17:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 5177.06 5177.06 4936.59 4936.59 0.00 0.00 0.00 0.00 18:00:01 ens3 24.39 24.04 9.40 8.69 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3019.50 3019.50 2879.37 2879.37 0.00 0.00 0.00 0.00 Average: ens3 64.39 52.97 370.48 12.12 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-5089) 09/08/26 _x86_64_ (4 CPU) 17:21:06 LINUX RESTART (4 CPU) 17:30:01 CPU %user %nice %system %iowait %steal %idle 17:40:34 all 45.43 0.00 1.85 0.38 0.03 52.31 17:40:34 0 44.28 0.00 1.76 0.71 0.03 53.22 17:40:34 1 45.39 0.00 1.89 0.18 0.03 52.52 17:40:34 2 47.17 0.00 1.82 0.20 0.03 50.78 17:40:34 3 44.88 0.00 1.92 0.43 0.03 52.74 17:50:22 all 59.81 0.00 3.99 0.21 0.04 35.95 17:50:22 0 59.06 0.00 3.58 0.17 0.03 37.16 17:50:22 1 60.22 0.00 4.25 0.16 0.04 35.32 17:50:22 2 60.05 0.00 4.32 0.37 0.03 35.21 17:50:22 3 59.91 0.00 3.79 0.15 0.04 36.11 18:00:01 all 56.99 0.00 4.24 0.12 0.04 38.62 18:00:01 0 56.40 0.00 4.34 0.09 0.04 39.13 18:00:01 1 57.13 0.00 4.09 0.20 0.03 38.55 18:00:01 2 57.71 0.00 4.42 0.09 0.04 37.74 18:00:01 3 56.72 0.00 4.10 0.09 0.04 39.06 Average: all 53.84 0.00 3.31 0.24 0.03 42.58 Average: 0 53.00 0.00 3.18 0.34 0.03 43.45 Average: 1 54.00 0.00 3.37 0.18 0.03 42.42 Average: 2 54.76 0.00 3.47 0.22 0.04 41.51 Average: 3 53.57 0.00 3.23 0.23 0.04 42.93