---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1623 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: 5599.94 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 662 10485 4 4841 14984 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:6e:47:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84651sec preferred_lft 84651sec inet6 fe80::f816:3eff:fe6e:478f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:d2:a8:76:c8:b6 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-1623) 03/18/26 _x86_64_ (4 CPU) 09:57:58 LINUX RESTART (4 CPU) 10:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 21.10 3.04 17.21 0.85 165.05 3960.66 516.27 10:20:04 3.14 0.06 3.01 0.07 6.27 377.81 7.73 Average: 12.07 1.54 10.07 0.46 85.18 2158.33 260.45 10:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 10499232 13480088 2482800 15.16 112360 3036436 2716836 15.59 488212 5053400 16012 10:20:04 9232736 12303572 3658508 22.34 115732 3115392 3764844 21.61 509556 6284992 220 Average: 9865984 12891830 3070654 18.75 114046 3075914 3240840 18.60 498884 5669196 8116 10:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.46 0.46 0.05 0.05 0.00 0.00 0.00 0.00 10:10:01 ens3 89.88 68.18 894.25 9.42 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:04 lo 0.50 0.50 0.36 0.36 0.00 0.00 0.00 0.00 10:20:04 ens3 4.50 3.70 20.11 0.84 0.00 0.00 0.00 0.00 10:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.48 0.48 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 46.93 35.74 454.52 5.10 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-1623) 03/18/26 _x86_64_ (4 CPU) 09:57:58 LINUX RESTART (4 CPU) 10:00:06 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 47.20 0.00 1.10 0.36 0.10 51.23 10:10:01 0 47.02 0.00 1.08 0.84 0.10 50.96 10:10:01 1 46.04 0.00 1.10 0.16 0.10 52.61 10:10:01 2 48.68 0.00 1.25 0.27 0.11 49.69 10:10:01 3 47.05 0.00 0.98 0.20 0.10 51.68 10:20:04 all 42.88 0.00 0.45 0.02 0.09 56.56 10:20:04 0 28.56 0.00 0.39 0.01 0.09 70.95 10:20:04 1 46.43 0.00 0.32 0.02 0.09 53.13 10:20:04 2 63.37 0.00 0.69 0.03 0.11 35.80 10:20:04 3 33.13 0.00 0.38 0.02 0.08 66.39 Average: all 45.02 0.00 0.77 0.19 0.10 53.92 Average: 0 37.72 0.00 0.73 0.42 0.10 61.03 Average: 1 46.24 0.00 0.71 0.09 0.10 52.87 Average: 2 56.08 0.00 0.97 0.15 0.11 42.69 Average: 3 40.04 0.00 0.68 0.11 0.09 59.08