---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2934 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 13G 65G 17% / 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 684 8371 4 6932 14961 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:e2:d8:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83424sec preferred_lft 83424sec inet6 fe80::f816:3eff:fee2:d826/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:6c:4c:89:8f:ff 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-2934) 09/07/26 _x86_64_ (4 CPU) 13:55:30 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:25 28.72 1.18 24.22 3.32 68.07 3942.30 21919.46 14:20:29 27.38 0.03 24.60 2.76 0.62 2165.11 15594.78 14:30:01 9.55 0.03 8.79 0.73 0.94 3188.04 4494.36 14:40:09 8.45 0.16 7.51 0.79 10.20 5833.96 1190.54 Average: 18.71 0.36 16.43 1.92 20.58 3795.42 10956.53 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:25 8451044 12362620 3592936 21.94 142044 3879220 3554976 20.41 716232 6796228 8500 14:20:29 8624396 12898704 3053604 18.65 163872 4191672 2975596 17.08 818940 6463336 27008 14:30:01 5167312 10217640 5732376 35.01 168064 4935612 5380244 30.88 1041320 9677620 368 14:40:09 8606820 15345260 599488 3.66 182360 6555484 1139348 6.54 1674976 5532992 96 Average: 7712393 12706056 3244601 19.82 164085 4890497 3262541 18.73 1062867 7117544 8993 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:25 lo 1395.57 1395.57 1323.60 1323.60 0.00 0.00 0.00 0.00 14:10:25 ens3 59.40 47.25 488.35 9.89 0.00 0.00 0.00 0.00 14:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:29 lo 1383.19 1383.19 1318.23 1318.23 0.00 0.00 0.00 0.00 14:20:29 ens3 23.27 19.05 22.96 12.51 0.00 0.00 0.00 0.00 14:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 357.74 357.74 5027.33 5027.33 0.00 0.00 0.00 0.00 14:30:01 ens3 6.69 6.29 8.06 2.68 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 14:40:09 lo 2371.30 2371.30 4616.82 4616.82 0.00 0.00 0.00 0.00 14:40:09 ens3 76.14 86.40 109.71 994.87 0.00 0.00 0.00 0.00 14:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1392.85 1392.85 3033.68 3033.68 0.00 0.00 0.00 0.00 Average: ens3 42.05 40.35 161.83 257.84 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-2934) 09/07/26 _x86_64_ (4 CPU) 13:55:30 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:25 all 63.38 0.00 2.55 0.09 0.02 33.95 14:10:25 0 62.01 0.00 2.44 0.09 0.03 35.43 14:10:25 1 63.34 0.00 2.62 0.07 0.02 33.95 14:10:25 2 64.63 0.00 2.13 0.09 0.02 33.13 14:10:25 3 63.55 0.00 3.02 0.10 0.03 33.30 14:20:29 all 54.24 0.00 2.36 0.08 0.02 43.30 14:20:29 0 52.88 0.00 2.52 0.10 0.02 44.48 14:20:29 1 54.73 0.00 2.39 0.11 0.02 42.75 14:20:29 2 55.39 0.00 2.22 0.05 0.02 42.32 14:20:29 3 53.98 0.00 2.29 0.08 0.02 43.64 14:30:01 all 31.71 0.00 1.20 0.06 0.02 67.00 14:30:01 0 28.22 0.00 1.17 0.05 0.02 70.54 14:30:01 1 35.80 0.00 1.20 0.04 0.02 62.93 14:30:01 2 33.22 0.00 1.20 0.04 0.02 65.51 14:30:01 3 29.62 0.00 1.23 0.12 0.02 69.01 14:40:09 all 14.80 0.00 0.94 0.10 0.02 84.14 14:40:09 0 9.71 0.00 1.08 0.13 0.01 89.08 14:40:09 1 10.43 0.00 1.08 0.16 0.02 88.30 14:40:09 2 25.79 0.00 0.86 0.07 0.02 73.26 14:40:09 3 13.28 0.00 0.76 0.04 0.01 85.91 Average: all 41.27 0.00 1.78 0.08 0.02 56.85 Average: 0 38.42 0.00 1.81 0.09 0.02 59.66 Average: 1 41.25 0.00 1.84 0.10 0.02 56.79 Average: 2 45.03 0.00 1.61 0.06 0.02 53.27 Average: 3 40.38 0.00 1.84 0.08 0.02 57.67