---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65795 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.86 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 nrip_save 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 9.9G 68G 13% / 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 11037 4 4268 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:e0:6d:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83083sec preferred_lft 83083sec inet6 fe80::f816:3eff:fee0:6db8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:57:bb:05:39:e5 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-65795) 04/01/26 _x86_64_ (4 CPU) 14:36:23 LINUX RESTART (4 CPU) 14:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 1.66 0.04 1.60 0.01 1.81 19.61 220.75 15:00:11 1.37 0.00 1.36 0.00 0.04 15.49 0.00 15:10:12 43.67 4.74 37.50 1.44 273.01 4100.47 1341.20 15:20:01 48.99 0.02 40.25 8.73 0.67 3513.86 10219.97 15:30:12 16.03 0.30 13.05 2.68 11.61 2060.84 1938.56 Average: 22.23 1.02 18.66 2.55 57.52 1937.16 2712.96 14:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 13796044 15539396 479668 2.93 54420 1915872 1134420 6.51 193920 2128240 200 15:00:11 13795064 15538980 479984 2.93 54928 1915880 1134420 6.51 194444 2129720 12 15:10:12 11269816 14236680 1726996 10.55 123144 3010328 2395980 13.75 463896 4307216 93000 15:20:01 10317616 13853980 2103044 12.84 181108 3446768 2271196 13.04 646236 4976044 19236 15:30:12 11355540 15363680 590896 3.61 202244 3868744 1105832 6.35 787908 3758440 304 Average: 12106816 14906543 1076118 6.57 123169 2831518 1608370 9.23 457281 3459932 22550 14:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:50:01 ens3 1.75 0.11 0.16 0.04 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:00:11 ens3 0.33 0.13 0.10 0.06 0.00 0.00 0.00 0.00 15:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:12 lo 512.13 512.13 488.12 488.12 0.00 0.00 0.00 0.00 15:10:12 ens3 123.17 94.69 1000.43 20.10 0.00 0.00 0.00 0.00 15:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 4947.40 4947.40 4718.08 4718.08 0.00 0.00 0.00 0.00 15:20:01 ens3 107.79 81.72 30.82 28.07 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:12 lo 896.36 896.36 839.91 839.91 0.00 0.00 0.00 0.00 15:30:12 ens3 89.84 88.01 112.36 154.11 0.00 0.00 0.00 0.00 15:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1256.32 1256.32 1194.97 1194.97 0.00 0.00 0.00 0.00 Average: ens3 64.51 52.96 229.26 40.91 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-65795) 04/01/26 _x86_64_ (4 CPU) 14:36:23 LINUX RESTART (4 CPU) 14:40:10 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 0.17 0.00 0.02 0.01 0.02 99.77 14:50:01 0 0.01 0.00 0.02 0.01 0.01 99.95 14:50:01 1 0.50 0.00 0.02 0.02 0.03 99.43 14:50:01 2 0.14 0.00 0.03 0.01 0.03 99.78 14:50:01 3 0.03 0.00 0.02 0.01 0.01 99.93 15:00:11 all 0.11 0.00 0.02 0.01 0.02 99.84 15:00:11 0 0.01 0.00 0.02 0.00 0.01 99.96 15:00:11 1 0.20 0.00 0.02 0.03 0.02 99.73 15:00:11 2 0.22 0.00 0.03 0.00 0.03 99.71 15:00:11 3 0.02 0.00 0.02 0.01 0.01 99.94 15:10:12 all 16.09 0.00 1.02 0.28 0.05 82.57 15:10:12 0 17.32 0.00 0.95 0.08 0.04 81.61 15:10:12 1 16.08 0.00 1.07 0.83 0.04 81.98 15:10:12 2 16.84 0.00 1.21 0.11 0.05 81.79 15:10:12 3 14.11 0.00 0.86 0.09 0.05 84.89 15:20:01 all 65.46 0.00 4.01 0.08 0.09 30.36 15:20:01 0 65.65 0.00 3.74 0.04 0.09 30.47 15:20:01 1 64.22 0.00 3.98 0.09 0.09 31.63 15:20:01 2 66.25 0.00 4.01 0.08 0.09 29.57 15:20:01 3 65.73 0.00 4.30 0.11 0.09 29.77 15:30:12 all 21.59 0.00 1.12 0.05 0.06 77.18 15:30:12 0 20.89 0.00 1.39 0.06 0.05 77.60 15:30:12 1 22.61 0.00 0.97 0.02 0.05 76.35 15:30:12 2 24.03 0.00 1.13 0.04 0.06 74.74 15:30:12 3 18.83 0.00 0.99 0.08 0.06 80.04 Average: all 20.47 0.00 1.22 0.09 0.05 78.17 Average: 0 20.57 0.00 1.21 0.04 0.04 78.14 Average: 1 20.51 0.00 1.20 0.20 0.05 78.05 Average: 2 21.28 0.00 1.27 0.05 0.05 77.35 Average: 3 19.51 0.00 1.22 0.06 0.04 79.16