---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3802 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: 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 11G 67G 14% / 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 712 10402 4 4874 14934 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:a5:30:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84352sec preferred_lft 84352sec inet6 fe80::f816:3eff:fea5:30db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:c9:1b:e2:95:ae 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-3802) 08/09/26 _x86_64_ (4 CPU) 14:59:47 LINUX RESTART (4 CPU) 15:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:12 44.66 9.29 34.69 0.67 1445.58 6776.30 1933.85 15:20:01 13.36 2.01 10.35 0.99 132.38 3079.66 2134.29 15:30:06 29.57 0.94 24.16 4.47 33.84 4350.63 13350.68 Average: 29.39 4.12 23.22 2.05 543.97 4757.53 5828.05 15:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:12 13008168 15506000 468772 2.86 99416 2587296 991468 5.69 338844 2695024 344 15:20:01 10184528 13637256 2322184 14.18 141368 3425268 2651488 15.22 578132 5224048 25016 15:30:06 10746292 15378272 573188 3.50 176684 4484032 1100276 6.32 902976 4216444 46880 Average: 11312996 14840509 1121381 6.85 139156 3498865 1581077 9.08 606651 4045172 24080 15:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:12 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 15:10:12 ens3 80.66 58.92 589.40 10.99 0.00 0.00 0.00 0.00 15:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 15:20:01 ens3 105.27 82.53 619.53 20.44 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:06 lo 1696.11 1696.11 1615.74 1615.74 0.00 0.00 0.00 0.00 15:30:06 ens3 93.07 72.00 449.68 37.72 0.00 0.00 0.00 0.00 15:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 569.38 569.38 541.92 541.92 0.00 0.00 0.00 0.00 Average: ens3 92.85 71.00 552.37 23.04 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-3802) 08/09/26 _x86_64_ (4 CPU) 14:59:47 LINUX RESTART (4 CPU) 15:00:00 CPU %user %nice %system %iowait %steal %idle 15:10:12 all 3.32 0.00 0.53 0.38 0.03 95.75 15:10:12 0 5.96 0.00 0.72 0.60 0.02 92.69 15:10:12 1 3.98 0.00 0.52 0.43 0.03 95.04 15:10:12 2 2.11 0.00 0.48 0.27 0.03 97.11 15:10:12 3 1.20 0.00 0.39 0.24 0.02 98.15 15:20:01 all 64.44 0.00 2.07 0.04 0.09 33.36 15:20:01 0 66.51 0.00 2.09 0.03 0.09 31.28 15:20:01 1 63.20 0.00 1.92 0.02 0.10 34.75 15:20:01 2 63.53 0.00 2.05 0.03 0.10 34.29 15:20:01 3 64.51 0.00 2.22 0.08 0.09 33.10 15:30:06 all 63.18 0.00 2.62 0.07 0.09 34.04 15:30:06 0 61.58 0.00 2.63 0.08 0.09 35.62 15:30:06 1 62.48 0.00 2.53 0.06 0.08 34.84 15:30:06 2 61.84 0.00 2.29 0.11 0.09 35.67 15:30:06 3 66.83 0.00 3.03 0.03 0.09 30.02 Average: all 43.31 0.00 1.73 0.17 0.07 54.72 Average: 0 44.33 0.00 1.81 0.24 0.07 53.55 Average: 1 42.89 0.00 1.65 0.17 0.07 55.22 Average: 2 42.17 0.00 1.60 0.14 0.07 56.02 Average: 3 43.83 0.00 1.87 0.12 0.07 54.11