---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466525 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 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 640 10565 4 4783 15006 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:51:0e:07 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 84807sec preferred_lft 84807sec inet6 fe80::f816:3eff:fe51:e07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:ae:e0:0f:32:f1 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-466525) 03/13/26 _x86_64_ (4 CPU) 22:47:04 LINUX RESTART (4 CPU) 22:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:25 6.81 0.34 6.29 0.18 29.62 1700.65 210.94 23:10:24 10.62 0.52 9.50 0.60 19.04 1742.34 1507.50 Average: 8.67 0.43 7.86 0.38 24.44 1721.07 846.06 22:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:25 8724948 11692088 4271600 26.09 111952 3021324 4458680 25.59 490072 6822676 884 23:10:24 9096744 12761496 3198188 19.53 131944 3660548 3307312 18.98 695252 6193548 268048 Average: 8910846 12226792 3734894 22.81 121948 3340936 3882996 22.29 592662 6508112 134466 22:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:25 lo 0.62 0.62 0.37 0.37 0.00 0.00 0.00 0.00 23:00:25 ens3 15.56 13.26 105.45 2.84 0.00 0.00 0.00 0.00 23:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:24 lo 206.40 206.40 196.29 196.29 0.00 0.00 0.00 0.00 23:10:24 ens3 34.37 23.73 409.50 3.30 0.00 0.00 0.00 0.00 23:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 101.42 101.42 96.34 96.34 0.00 0.00 0.00 0.00 Average: ens3 24.77 18.39 254.39 3.07 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-466525) 03/13/26 _x86_64_ (4 CPU) 22:47:04 LINUX RESTART (4 CPU) 22:50:01 CPU %user %nice %system %iowait %steal %idle 23:00:25 all 49.62 0.00 0.79 0.03 0.08 49.48 23:00:25 0 54.66 0.00 0.75 0.04 0.08 44.47 23:00:25 1 42.15 0.00 0.81 0.05 0.08 56.92 23:00:25 2 50.66 0.00 0.91 0.01 0.08 48.33 23:00:25 3 51.02 0.00 0.69 0.00 0.08 48.21 23:10:24 all 55.45 0.00 0.91 0.03 0.08 43.53 23:10:24 0 43.77 0.00 0.81 0.04 0.07 55.30 23:10:24 1 70.49 0.00 1.05 0.03 0.08 28.35 23:10:24 2 58.30 0.00 1.10 0.04 0.08 40.48 23:10:24 3 49.30 0.00 0.70 0.02 0.07 49.91 Average: all 52.48 0.00 0.85 0.03 0.08 46.56 Average: 0 49.31 0.00 0.78 0.04 0.08 49.78 Average: 1 56.03 0.00 0.93 0.04 0.08 42.93 Average: 2 54.40 0.00 1.00 0.02 0.08 44.49 Average: 3 50.18 0.00 0.69 0.01 0.07 49.04