---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6112 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 11G 68G 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 675 10518 4 4795 14971 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:02:01:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84706sec preferred_lft 84706sec inet6 fe80::f816:3eff:fe02:110/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:a0:33:60:49:d0 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6112) 03/19/26 _x86_64_ (4 CPU) 19:08:17 LINUX RESTART (4 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:07 17.77 2.77 14.20 0.81 154.24 3774.90 358.15 19:30:07 27.34 0.81 22.91 3.63 28.34 4555.75 3966.46 Average: 22.54 1.79 18.53 2.21 91.59 4163.46 2153.67 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:07 10840964 14028336 1932792 11.80 128332 3193100 2318128 13.31 541992 4623124 22600 19:30:07 8511520 12948412 3003296 18.34 168268 4309908 3499252 20.09 871148 6509656 17928 Average: 9676242 13488374 2468044 15.07 148300 3751504 2908690 16.70 706570 5566390 20264 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:07 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 19:20:07 ens3 86.83 73.85 647.32 18.15 0.00 0.00 0.00 0.00 19:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:07 lo 1610.49 1610.49 1535.54 1535.54 0.00 0.00 0.00 0.00 19:30:07 ens3 95.38 69.70 468.24 18.81 0.00 0.00 0.00 0.00 19:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 801.93 801.93 764.15 764.15 0.00 0.00 0.00 0.00 Average: ens3 91.08 71.78 558.21 18.48 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6112) 03/19/26 _x86_64_ (4 CPU) 19:08:17 LINUX RESTART (4 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:07 all 49.42 0.00 1.64 0.05 0.08 48.80 19:20:07 0 49.08 0.00 1.56 0.06 0.08 49.22 19:20:07 1 49.61 0.00 1.76 0.06 0.08 48.49 19:20:07 2 49.39 0.00 1.61 0.04 0.08 48.88 19:20:07 3 49.62 0.00 1.63 0.04 0.08 48.63 19:30:07 all 69.27 0.00 2.76 0.05 0.11 27.81 19:30:07 0 70.51 0.00 2.78 0.05 0.11 26.56 19:30:07 1 68.25 0.00 3.10 0.08 0.11 28.46 19:30:07 2 67.59 0.00 2.50 0.04 0.11 29.76 19:30:07 3 70.74 0.00 2.66 0.04 0.11 26.46 Average: all 59.29 0.00 2.20 0.05 0.09 38.37 Average: 0 59.73 0.00 2.17 0.06 0.09 37.95 Average: 1 58.86 0.00 2.43 0.07 0.09 38.55 Average: 2 58.44 0.00 2.05 0.04 0.09 39.37 Average: 3 60.12 0.00 2.14 0.04 0.09 37.61