---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-530 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 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 9181 4 6066 14905 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:5b:36:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84019sec preferred_lft 84019sec inet6 fe80::f816:3eff:fe5b:3644/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:f3:cb:ec:4a:59 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-530) 01/15/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 16.66 1.91 13.65 1.11 123.29 3985.01 1827.70 20:50:09 62.32 0.29 49.93 12.10 9.65 3923.04 16699.95 21:00:06 29.17 0.14 24.34 4.70 6.61 4928.52 7166.34 Average: 36.02 0.78 29.28 5.96 46.77 4276.85 8552.44 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 9276892 13508732 2443872 14.93 175312 4127244 2692272 15.45 911148 5734436 268108 20:50:09 8180028 12963860 2983484 18.22 204660 4605536 3203212 18.39 1057732 6641860 126744 21:00:06 9526664 15372284 570760 3.49 244268 5570828 1091852 6.27 1436488 4827964 156 Average: 8994528 13948292 1999372 12.21 208080 4767869 2329112 13.37 1135123 5734753 131669 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 20:40:08 ens3 103.13 78.18 372.02 21.95 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5541.75 5541.75 5281.86 5281.86 0.00 0.00 0.00 0.00 20:50:09 ens3 94.74 67.66 186.87 20.52 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:06 lo 2117.77 2117.77 2006.43 2006.43 0.00 0.00 0.00 0.00 21:00:06 ens3 104.61 95.07 137.75 153.45 0.00 0.00 0.00 0.00 21:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2548.81 2548.81 2424.90 2424.90 0.00 0.00 0.00 0.00 Average: ens3 100.82 80.27 232.72 65.02 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-530) 01/15/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 70.04 0.00 2.37 0.06 0.09 27.44 20:40:08 0 68.96 0.00 2.32 0.10 0.09 28.53 20:40:08 1 69.99 0.00 2.54 0.07 0.09 27.31 20:40:08 2 71.08 0.00 2.45 0.03 0.09 26.35 20:40:08 3 70.13 0.00 2.16 0.04 0.09 27.57 20:50:09 all 61.13 0.00 4.15 0.13 0.09 34.49 20:50:09 0 60.03 0.00 3.69 0.10 0.09 36.08 20:50:09 1 61.09 0.00 4.52 0.22 0.09 34.08 20:50:09 2 62.01 0.00 4.31 0.08 0.10 33.51 20:50:09 3 61.39 0.00 4.10 0.11 0.09 34.30 21:00:06 all 44.39 0.00 2.42 0.12 0.08 52.99 21:00:06 0 44.22 0.00 2.31 0.20 0.08 53.19 21:00:06 1 45.60 0.00 2.73 0.14 0.08 51.44 21:00:06 2 43.23 0.00 2.45 0.04 0.09 54.20 21:00:06 3 44.49 0.00 2.20 0.10 0.08 53.13 Average: all 58.57 0.00 2.98 0.10 0.09 38.26 Average: 0 57.79 0.00 2.77 0.13 0.09 39.22 Average: 1 58.94 0.00 3.26 0.14 0.09 37.57 Average: 2 58.84 0.00 3.07 0.05 0.09 37.96 Average: 3 58.73 0.00 2.82 0.09 0.09 38.28