---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53722 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: 5599.99 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 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 12G 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 640 9005 4 6343 15006 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:f4:6b:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83809sec preferred_lft 83809sec inet6 fe80::f816:3eff:fef4:6b24/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:20:8b:12:09:4f 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-53722) 03/28/26 _x86_64_ (4 CPU) 05:24:08 LINUX RESTART (4 CPU) 05:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:27 24.20 2.88 19.29 2.03 157.10 3360.86 2481.24 05:50:26 24.78 0.02 22.03 2.74 0.20 2148.57 7370.86 06:00:13 35.50 0.03 19.40 16.07 0.79 3891.26 247956.04 Average: 28.08 1.00 20.24 6.84 53.94 3130.65 84159.03 05:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:27 10233024 13586004 2373952 14.50 136880 3351008 2425944 13.92 629728 5131204 24696 05:50:26 9153336 12908936 3047900 18.62 151860 3705084 3281080 18.83 741496 6062052 29628 06:00:13 5537396 10170160 5782952 35.32 165748 4533620 5401868 31.01 998940 9365268 84 Average: 8307919 12221700 3734935 22.81 151496 3863237 3702964 21.25 790055 6852841 18136 05:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:27 lo 1169.76 1169.76 1109.21 1109.21 0.00 0.00 0.00 0.00 05:40:27 ens3 100.20 80.01 928.27 16.73 0.00 0.00 0.00 0.00 05:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:26 lo 1183.94 1183.94 1127.43 1127.43 0.00 0.00 0.00 0.00 05:50:26 ens3 38.76 31.22 22.24 11.28 0.00 0.00 0.00 0.00 05:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:13 lo 961.36 961.36 7353.95 7353.95 0.00 0.00 0.00 0.00 06:00:13 ens3 25.01 19.67 27.67 7.04 0.00 0.00 0.00 0.00 06:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1106.51 1106.51 3151.74 3151.74 0.00 0.00 0.00 0.00 Average: ens3 55.25 44.10 333.26 11.76 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-53722) 03/28/26 _x86_64_ (4 CPU) 05:24:08 LINUX RESTART (4 CPU) 05:30:12 CPU %user %nice %system %iowait %steal %idle 05:40:27 all 46.71 0.00 2.03 0.09 0.08 51.11 05:40:27 0 46.59 0.00 2.09 0.07 0.07 51.17 05:40:27 1 47.17 0.00 2.24 0.12 0.08 50.40 05:40:27 2 45.58 0.00 1.90 0.06 0.07 52.39 05:40:27 3 47.48 0.00 1.87 0.10 0.08 50.47 05:50:26 all 67.71 0.00 2.32 0.08 0.10 29.79 05:50:26 0 67.91 0.00 2.35 0.07 0.10 29.57 05:50:26 1 66.62 0.00 2.14 0.09 0.10 31.05 05:50:26 2 69.05 0.00 2.53 0.05 0.10 28.26 05:50:26 3 67.25 0.00 2.26 0.10 0.10 30.28 06:00:13 all 49.67 0.00 1.87 0.16 0.09 48.22 06:00:13 0 53.65 0.00 1.86 0.26 0.09 44.14 06:00:13 1 48.42 0.00 1.71 0.16 0.09 49.62 06:00:13 2 48.46 0.00 2.05 0.07 0.10 49.33 06:00:13 3 48.14 0.00 1.84 0.14 0.09 49.80 Average: all 54.65 0.00 2.07 0.11 0.09 43.08 Average: 0 55.97 0.00 2.10 0.13 0.09 41.70 Average: 1 54.04 0.00 2.04 0.12 0.09 43.71 Average: 2 54.32 0.00 2.16 0.06 0.09 43.37 Average: 3 54.26 0.00 1.99 0.11 0.09 43.54