---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37570 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 11G 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 676 9842 4 5470 14970 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:71:c5:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84381sec preferred_lft 84381sec inet6 fe80::f816:3eff:fe71:c5c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:d6:81:aa:74:c9 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-37570) 08/14/26 _x86_64_ (4 CPU) 18:21:25 LINUX RESTART (4 CPU) 18:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:26 41.83 0.02 35.62 6.20 0.55 1428.41 126052.81 18:50:01 34.52 0.20 29.68 4.64 6.23 6478.74 28215.32 Average: 38.29 0.11 32.74 5.44 3.30 3875.60 78644.61 18:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:26 9470384 12967284 2991940 18.27 156336 3462884 3209720 18.42 676868 5814360 832 18:50:01 7863548 12944744 3005980 18.36 185112 4937772 3031616 17.40 1249348 6787328 22204 Average: 8666966 12956014 2998960 18.32 170724 4200328 3120668 17.91 963108 6300844 11518 18:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:26 lo 48.11 48.11 11.50 11.50 0.00 0.00 0.00 0.00 18:40:26 ens3 9.25 7.10 9.25 2.65 0.00 0.00 0.00 0.00 18:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2182.54 2182.54 2078.07 2078.07 0.00 0.00 0.00 0.00 18:50:01 ens3 77.01 58.23 535.21 14.88 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1082.37 1082.37 1012.88 1012.88 0.00 0.00 0.00 0.00 Average: ens3 42.09 31.87 264.11 8.57 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-37570) 08/14/26 _x86_64_ (4 CPU) 18:21:25 LINUX RESTART (4 CPU) 18:30:14 CPU %user %nice %system %iowait %steal %idle 18:40:26 all 19.77 0.00 0.97 0.29 0.09 78.89 18:40:26 0 19.53 0.00 1.04 0.18 0.09 79.15 18:40:26 1 20.01 0.00 1.00 0.30 0.10 78.59 18:40:26 2 20.38 0.00 0.98 0.21 0.10 78.34 18:40:26 3 19.15 0.00 0.84 0.47 0.09 79.46 18:50:01 all 48.32 0.00 2.55 0.11 0.10 48.92 18:50:01 0 45.72 0.00 2.43 0.07 0.10 51.69 18:50:01 1 47.90 0.00 2.45 0.10 0.10 49.44 18:50:01 2 49.83 0.00 2.60 0.05 0.10 47.42 18:50:01 3 49.83 0.00 2.72 0.22 0.10 47.14 Average: all 33.59 0.00 1.73 0.20 0.10 64.38 Average: 0 32.22 0.00 1.71 0.13 0.10 65.85 Average: 1 33.51 0.00 1.70 0.21 0.10 64.48 Average: 2 34.64 0.00 1.77 0.13 0.10 63.36 Average: 3 33.99 0.00 1.75 0.35 0.09 63.83