---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27629 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 660 8301 4 7027 14986 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:2e:fc:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83871sec preferred_lft 83871sec inet6 fe80::f816:3eff:fe2e:fc78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:42:d3:9e:b6:06 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27629) 06/15/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:18 35.41 0.07 19.42 15.92 6.06 2115.20 243522.67 19:30:01 31.96 0.03 28.74 3.19 0.58 4490.04 11661.90 19:40:19 12.41 0.28 10.77 1.35 11.05 7107.49 50499.18 Average: 26.40 0.13 19.47 6.80 6.00 4596.63 102304.95 19:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:18 8687456 12554908 3401884 20.78 147012 3819492 3545308 20.35 740808 6530784 122904 19:30:01 7317976 12081620 3870668 23.64 164116 4659184 3752488 21.54 1008120 7572700 1176 19:40:19 8527240 15362744 583064 3.56 180592 6647792 1114388 6.40 1757528 5534128 26492 Average: 8177557 13333091 2618539 15.99 163907 5042156 2804061 16.10 1168819 6545871 50191 19:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:18 lo 1210.02 1210.02 1146.74 1146.74 0.00 0.00 0.00 0.00 19:20:18 ens3 34.79 29.08 21.25 10.08 0.00 0.00 0.00 0.00 19:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1190.78 1190.78 1130.60 1130.60 0.00 0.00 0.00 0.00 19:30:01 ens3 42.35 33.11 29.93 12.00 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:19 lo 2482.95 2482.95 9020.83 9020.83 0.00 0.00 0.00 0.00 19:40:19 ens3 29.05 28.94 125.11 202.90 0.00 0.00 0.00 0.00 19:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1640.75 1640.75 3844.37 3844.37 0.00 0.00 0.00 0.00 Average: ens3 35.26 30.34 59.70 76.89 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27629) 06/15/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:18 CPU %user %nice %system %iowait %steal %idle 19:20:18 all 64.80 0.00 2.20 0.05 0.12 32.83 19:20:18 0 65.82 0.00 2.00 0.08 0.12 31.98 19:20:18 1 63.61 0.00 2.07 0.04 0.12 34.16 19:20:18 2 63.31 0.00 2.40 0.07 0.12 34.10 19:20:18 3 66.45 0.00 2.32 0.02 0.12 31.09 19:30:01 all 59.74 0.00 2.46 0.10 0.12 37.59 19:30:01 0 60.79 0.00 2.19 0.07 0.12 36.82 19:30:01 1 58.96 0.00 2.44 0.07 0.11 38.42 19:30:01 2 59.14 0.00 2.71 0.06 0.12 37.97 19:30:01 3 60.08 0.00 2.48 0.20 0.11 37.13 19:40:19 all 32.28 0.00 1.35 0.15 0.08 66.14 19:40:19 0 32.99 0.00 1.47 0.30 0.08 65.16 19:40:19 1 26.18 0.00 1.08 0.05 0.08 72.61 19:40:19 2 33.82 0.00 1.24 0.12 0.09 64.73 19:40:19 3 36.13 0.00 1.62 0.13 0.09 62.02 Average: all 51.98 0.00 1.99 0.10 0.11 45.82 Average: 0 52.91 0.00 1.88 0.15 0.11 44.95 Average: 1 49.22 0.00 1.85 0.05 0.10 48.77 Average: 2 51.82 0.00 2.10 0.08 0.11 45.89 Average: 3 53.97 0.00 2.13 0.12 0.11 43.67