---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42529 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 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 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 707 10282 4 4999 14938 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:fd:8b:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84543sec preferred_lft 84543sec inet6 fe80::f816:3eff:fefd:8b25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:18:0f:91:df:d6 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-42529) 08/29/26 _x86_64_ (4 CPU) 14:40:15 LINUX RESTART (4 CPU) 14:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:01 38.54 12.69 10.49 15.36 153.27 2549.76 246068.15 15:10:08 25.09 0.62 20.75 3.73 23.97 3624.96 2488.28 Average: 31.69 6.54 15.72 9.43 87.37 3097.74 121927.98 14:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:01 9242492 13066332 2888648 17.64 154876 3738336 3034112 17.42 709840 5977952 20552 15:10:08 10671916 15430356 518396 3.17 178208 4590180 1018348 5.85 957324 4203844 56 Average: 9957204 14248344 1703522 10.40 166542 4164258 2026230 11.63 833582 5090898 10304 14:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:01 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 15:00:01 ens3 53.63 41.27 139.15 16.96 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:08 lo 1636.85 1636.85 1547.94 1547.94 0.00 0.00 0.00 0.00 15:10:08 ens3 95.23 90.47 437.29 165.40 0.00 0.00 0.00 0.00 15:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 834.90 834.90 788.97 788.97 0.00 0.00 0.00 0.00 Average: ens3 74.83 66.35 291.10 92.61 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-42529) 08/29/26 _x86_64_ (4 CPU) 14:40:15 LINUX RESTART (4 CPU) 14:50:17 CPU %user %nice %system %iowait %steal %idle 15:00:01 all 72.29 0.07 2.54 0.10 0.04 24.96 15:00:01 0 70.85 0.16 2.36 0.15 0.03 26.45 15:00:01 1 73.46 0.03 2.71 0.04 0.03 23.74 15:00:01 2 71.60 0.02 2.57 0.12 0.04 25.66 15:00:01 3 73.27 0.07 2.53 0.08 0.04 24.00 15:10:08 all 42.34 0.00 2.21 0.10 0.02 55.34 15:10:08 0 37.95 0.00 2.00 0.05 0.02 59.98 15:10:08 1 42.73 0.00 2.42 0.18 0.01 54.66 15:10:08 2 43.67 0.00 2.23 0.12 0.01 53.97 15:10:08 3 45.04 0.00 2.18 0.04 0.02 52.72 Average: all 57.03 0.03 2.37 0.10 0.03 40.44 Average: 0 54.07 0.08 2.18 0.10 0.02 43.56 Average: 1 57.80 0.01 2.56 0.11 0.02 39.50 Average: 2 57.38 0.01 2.40 0.12 0.02 40.07 Average: 3 58.89 0.03 2.35 0.06 0.03 38.63