---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-470710 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 605 10447 4 4936 15041 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:38:6f:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84836sec preferred_lft 84836sec inet6 fe80::f816:3eff:fe38:6fcc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:7f:30:ae:9e:de 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-470710) 03/14/26 _x86_64_ (4 CPU) 09:54:58 LINUX RESTART (4 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:00 5.99 0.48 5.11 0.39 409.32 931.09 3016.57 10:20:00 21.43 0.62 18.89 1.92 24.96 3979.52 12293.15 Average: 13.71 0.55 12.00 1.15 217.14 2455.31 7654.86 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:00 9819932 13020072 2942528 17.97 116880 3242840 3172200 18.21 641664 5571496 11856 10:20:00 10639292 15336076 620252 3.79 138452 4660084 1092544 6.27 1005692 4321244 606872 Average: 10229612 14178074 1781390 10.88 127666 3951462 2132372 12.24 823678 4946370 309364 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:00 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 10:10:00 ens3 23.23 18.47 167.15 3.14 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 488.05 488.05 464.56 464.56 0.00 0.00 0.00 0.00 10:20:00 ens3 44.71 34.90 468.40 20.16 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 244.34 244.34 232.47 232.47 0.00 0.00 0.00 0.00 Average: ens3 33.97 26.68 317.77 11.65 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-470710) 03/14/26 _x86_64_ (4 CPU) 09:54:58 LINUX RESTART (4 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:00 all 47.21 0.00 0.77 0.05 0.08 51.90 10:10:00 0 39.19 0.00 0.81 0.04 0.08 59.88 10:10:00 1 47.44 0.00 0.91 0.03 0.08 51.55 10:10:00 2 56.09 0.00 0.78 0.09 0.08 42.96 10:10:00 3 46.12 0.00 0.58 0.03 0.07 53.20 10:20:00 all 50.93 0.00 1.40 0.07 0.09 47.50 10:20:00 0 43.63 0.00 1.54 0.07 0.09 54.67 10:20:00 1 56.05 0.00 1.42 0.04 0.09 42.39 10:20:00 2 44.37 0.00 1.23 0.11 0.09 54.20 10:20:00 3 59.67 0.00 1.44 0.06 0.10 38.73 Average: all 49.07 0.00 1.09 0.06 0.09 49.70 Average: 0 41.41 0.00 1.17 0.06 0.08 57.27 Average: 1 51.74 0.00 1.16 0.03 0.08 46.98 Average: 2 50.23 0.00 1.01 0.10 0.09 48.58 Average: 3 52.88 0.00 1.01 0.04 0.09 45.98