---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-6164 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: 5600.00 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 16G 62G 21% / 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 615 6492 4 8881 15031 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:c4:70:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.21/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85102sec preferred_lft 85102sec inet6 fe80::f816:3eff:fec4:70de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:e1:8b:7f:50:bb 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-v1-8c-8g-6164) 04/26/26 _x86_64_ (4 CPU) 05:17:21 LINUX RESTART (4 CPU) 05:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:12 237.97 2.72 233.78 1.47 359.82 21665.60 1573.74 Average: 237.97 2.72 233.78 1.47 359.82 21665.60 1573.74 05:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:12 5140284 13302768 2616752 15.98 318288 7521092 2709120 15.55 1438932 8912552 2376 Average: 5140284 13302768 2616752 15.98 318288 7521092 2709120 15.55 1438932 8912552 2376 05:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:12 lo 0.75 0.75 0.19 0.19 0.00 0.00 0.00 0.00 05:30:12 ens3 217.22 157.36 1848.60 33.00 0.00 0.00 0.00 0.00 05:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.75 0.75 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 217.22 157.36 1848.60 33.00 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-v1-8c-8g-6164) 04/26/26 _x86_64_ (4 CPU) 05:17:21 LINUX RESTART (4 CPU) 05:20:10 CPU %user %nice %system %iowait %steal %idle 05:30:12 all 39.35 0.00 4.22 0.69 0.08 55.65 05:30:12 0 39.31 0.00 4.08 0.65 0.08 55.88 05:30:12 1 40.14 0.00 4.28 0.64 0.08 54.86 05:30:12 2 37.76 0.00 4.19 0.90 0.08 57.07 05:30:12 3 40.20 0.00 4.34 0.58 0.08 54.80 Average: all 39.35 0.00 4.22 0.69 0.08 55.65 Average: 0 39.31 0.00 4.08 0.65 0.08 55.88 Average: 1 40.14 0.00 4.28 0.64 0.08 54.86 Average: 2 37.76 0.00 4.19 0.90 0.08 57.07 Average: 3 40.20 0.00 4.34 0.58 0.08 54.80