---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4278 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 674 10379 4 4935 14972 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:c7:52:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84435sec preferred_lft 84435sec inet6 fe80::f816:3eff:fec7:525c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:5e:4b:bd:8e:18 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-4278) 04/18/26 _x86_64_ (4 CPU) 14:14:07 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:01 12.75 1.92 10.10 0.73 123.95 2695.79 31.70 14:40:01 25.17 0.78 20.83 3.56 28.03 3148.51 2511.99 Average: 18.96 1.35 15.46 2.14 75.99 2922.11 1271.63 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:01 10651316 14090004 1869740 11.42 133480 3433664 2480324 14.24 685636 4660076 27256 14:40:01 8605896 13170460 2780236 16.98 173728 4439544 2883864 16.55 993524 6291992 310800 Average: 9628606 13630232 2324988 14.20 153604 3936604 2682094 15.40 839580 5476034 169028 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:01 lo 1.03 1.03 0.10 0.10 0.00 0.00 0.00 0.00 14:30:01 ens3 96.21 75.91 645.81 18.06 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 1629.38 1629.38 1553.42 1553.42 0.00 0.00 0.00 0.00 14:40:01 ens3 88.28 65.31 409.50 18.75 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.07 815.07 776.63 776.63 0.00 0.00 0.00 0.00 Average: ens3 92.24 70.61 527.67 18.40 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-4278) 04/18/26 _x86_64_ (4 CPU) 14:14:07 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:01 all 51.81 0.00 1.78 0.39 0.11 45.91 14:30:01 0 50.31 0.00 1.81 0.28 0.11 47.48 14:30:01 1 52.38 0.00 1.63 0.12 0.11 45.76 14:30:01 2 51.77 0.00 1.95 0.92 0.11 45.24 14:30:01 3 52.78 0.00 1.73 0.25 0.11 45.14 14:40:01 all 68.31 0.00 2.88 0.07 0.14 28.60 14:40:01 0 70.58 0.00 3.17 0.09 0.14 26.02 14:40:01 1 67.78 0.00 2.77 0.07 0.14 29.24 14:40:01 2 65.32 0.00 2.74 0.06 0.13 31.75 14:40:01 3 69.58 0.00 2.84 0.07 0.14 27.37 Average: all 60.05 0.00 2.33 0.23 0.12 37.26 Average: 0 60.44 0.00 2.49 0.19 0.12 36.76 Average: 1 60.07 0.00 2.20 0.10 0.12 37.51 Average: 2 58.54 0.00 2.35 0.49 0.12 38.50 Average: 3 61.17 0.00 2.28 0.16 0.12 36.27