---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-471511 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 688 10516 4 4784 14958 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:78:a3:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84567sec preferred_lft 84567sec inet6 fe80::f816:3eff:fe78:a399/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:4f:f3:a5:8f:2c 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-471511) 03/14/26 _x86_64_ (4 CPU) 11:56:44 LINUX RESTART (4 CPU) 12:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:19 12.25 1.95 9.64 0.66 125.53 2533.17 32.55 12:20:05 28.15 0.84 24.01 3.31 29.11 3595.87 2727.55 Average: 20.11 1.40 16.74 1.97 77.88 3058.36 1364.43 12:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:19 10857480 14007000 1954368 11.94 126936 3159648 2306480 13.24 536412 4610832 23012 12:20:05 9339292 13426504 2526092 15.43 169184 3972620 2681116 15.39 778580 5771680 15816 Average: 10098386 13716752 2240230 13.68 148060 3566134 2493798 14.31 657496 5191256 19414 12:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:19 lo 0.88 0.88 0.09 0.09 0.00 0.00 0.00 0.00 12:10:19 ens3 87.58 67.86 643.60 15.83 0.00 0.00 0.00 0.00 12:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 1489.37 1489.37 1419.65 1419.65 0.00 0.00 0.00 0.00 12:20:05 ens3 86.41 62.68 375.59 18.70 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 736.50 736.50 701.64 701.64 0.00 0.00 0.00 0.00 Average: ens3 87.00 65.30 511.15 17.25 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-471511) 03/14/26 _x86_64_ (4 CPU) 11:56:44 LINUX RESTART (4 CPU) 12:00:19 CPU %user %nice %system %iowait %steal %idle 12:10:19 all 45.24 0.00 1.49 0.04 0.08 53.15 12:10:19 0 44.08 0.00 1.47 0.03 0.07 54.34 12:10:19 1 44.73 0.00 1.43 0.05 0.08 53.71 12:10:19 2 46.47 0.00 1.74 0.06 0.08 51.65 12:10:19 3 45.69 0.00 1.30 0.04 0.08 52.89 12:20:05 all 69.96 0.00 2.74 0.14 0.11 27.05 12:20:05 0 71.92 0.00 2.37 0.05 0.11 25.55 12:20:05 1 68.61 0.00 2.99 0.22 0.11 28.05 12:20:05 2 70.96 0.00 2.83 0.12 0.11 25.98 12:20:05 3 68.34 0.00 2.77 0.15 0.11 28.63 Average: all 57.45 0.00 2.11 0.09 0.09 40.26 Average: 0 57.83 0.00 1.92 0.04 0.09 40.12 Average: 1 56.53 0.00 2.20 0.14 0.10 41.04 Average: 2 58.57 0.00 2.28 0.09 0.09 38.97 Average: 3 56.87 0.00 2.02 0.09 0.09 40.92