---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25934 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 15% / 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 732 9676 4 5580 14914 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:fe:d2:ff 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 84609sec preferred_lft 84609sec inet6 fe80::f816:3eff:fefe:d2ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:52:8b:60:1e:04 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-25934) 03/03/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 41.69 14.78 24.52 2.38 283.83 5165.88 8418.90 06:50:12 32.53 0.04 29.08 3.41 1.66 5927.48 11676.70 Average: 37.03 7.28 26.84 2.91 140.27 5553.35 10076.33 06:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9434608 13162420 2792564 17.06 160300 3644848 2958996 16.98 760744 5747844 25756 06:50:12 7705056 12800560 3148008 19.23 191452 4909016 3417300 19.62 1054880 7105272 28620 Average: 8569832 12981490 2970286 18.14 175876 4276932 3188148 18.30 907812 6426558 27188 06:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 860.47 860.47 819.82 819.82 0.00 0.00 0.00 0.00 06:40:01 ens3 98.98 72.85 614.94 18.02 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:12 lo 1246.24 1246.24 1187.57 1187.57 0.00 0.00 0.00 0.00 06:50:12 ens3 54.43 41.98 212.94 12.34 0.00 0.00 0.00 0.00 06:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1056.73 1056.73 1006.92 1006.92 0.00 0.00 0.00 0.00 Average: ens3 76.32 57.14 410.42 15.13 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-25934) 03/03/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:12 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 67.28 0.07 2.31 0.18 0.10 30.06 06:40:01 0 66.81 0.10 2.23 0.29 0.10 30.48 06:40:01 1 67.83 0.05 2.19 0.17 0.10 29.66 06:40:01 2 64.65 0.01 2.39 0.14 0.10 32.72 06:40:01 3 69.83 0.13 2.42 0.14 0.09 27.39 06:50:12 all 60.60 0.00 2.33 0.21 0.09 36.77 06:50:12 0 58.62 0.00 1.94 0.14 0.09 39.21 06:50:12 1 60.21 0.00 2.39 0.17 0.09 37.14 06:50:12 2 60.47 0.00 2.55 0.22 0.10 36.65 06:50:12 3 63.09 0.00 2.42 0.32 0.09 34.08 Average: all 63.88 0.04 2.32 0.20 0.09 33.47 Average: 0 62.64 0.05 2.08 0.21 0.09 34.92 Average: 1 63.95 0.02 2.29 0.17 0.09 33.47 Average: 2 62.53 0.00 2.47 0.18 0.10 34.72 Average: 3 66.40 0.06 2.42 0.23 0.09 30.79