---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42370 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 681 8986 4 6321 14964 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:f8:dd:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84442sec preferred_lft 84442sec inet6 fe80::f816:3eff:fef8:dd39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:af:c4:9a:e4:42 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-42370) 08/29/26 _x86_64_ (4 CPU) 05:12:24 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:03 12.35 0.02 10.42 1.90 0.92 884.65 14431.46 05:40:03 32.27 0.20 28.23 3.84 6.00 7414.51 21951.24 Average: 22.29 0.11 19.31 2.87 3.45 4144.63 18185.66 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:03 9076524 12940780 3013764 18.41 142760 3813128 3206564 18.41 745072 6120836 280 05:40:03 7081228 12992388 2951776 18.03 176120 5730584 2972296 17.06 1548940 7183360 3136 Average: 8078876 12966584 2982770 18.22 159440 4771856 3089430 17.73 1147006 6652098 1708 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:03 lo 44.85 44.85 10.77 10.77 0.00 0.00 0.00 0.00 05:30:03 ens3 8.04 7.16 11.77 2.30 0.00 0.00 0.00 0.00 05:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:03 lo 1871.09 1871.09 1777.03 1777.03 0.00 0.00 0.00 0.00 05:40:03 ens3 58.25 45.95 497.62 10.53 0.00 0.00 0.00 0.00 05:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 956.59 956.59 892.56 892.56 0.00 0.00 0.00 0.00 Average: ens3 33.11 26.53 254.33 6.41 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-42370) 08/29/26 _x86_64_ (4 CPU) 05:12:24 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:03 all 25.08 0.00 1.19 0.08 0.01 73.63 05:30:03 0 24.35 0.00 1.22 0.08 0.01 74.34 05:30:03 1 25.11 0.00 1.32 0.12 0.02 73.42 05:30:03 2 25.44 0.00 1.14 0.08 0.01 73.33 05:30:03 3 25.41 0.00 1.08 0.05 0.01 73.45 05:40:03 all 43.00 0.00 2.47 0.12 0.01 54.39 05:40:03 0 42.81 0.00 2.53 0.06 0.02 54.59 05:40:03 1 42.52 0.00 2.68 0.14 0.01 54.65 05:40:03 2 42.09 0.00 2.06 0.15 0.01 55.69 05:40:03 3 44.59 0.00 2.62 0.15 0.02 52.63 Average: all 34.02 0.00 1.83 0.10 0.01 64.03 Average: 0 33.56 0.00 1.88 0.07 0.01 64.49 Average: 1 33.81 0.00 2.00 0.13 0.02 64.05 Average: 2 33.74 0.00 1.60 0.12 0.01 64.53 Average: 3 34.98 0.00 1.85 0.10 0.01 63.06