---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14853 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 646 10217 4 5124 14999 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:e1:00:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84808sec preferred_lft 84808sec inet6 fe80::f816:3eff:fee1:1a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:dd:8f:d7:45:df 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-14853) 02/18/26 _x86_64_ (4 CPU) 13:54:20 LINUX RESTART (4 CPU) 14:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:11 17.10 0.07 3.72 13.31 6.99 621.00 235654.58 14:20:00 21.38 0.55 18.82 2.01 20.64 2808.26 17716.53 Average: 19.21 0.31 11.15 7.75 13.70 1696.67 128474.83 14:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:11 9259352 12616104 3344924 20.43 120032 3392648 3593664 20.63 700608 6053572 24 14:20:00 10490560 15371812 583268 3.56 143984 4834572 1101736 6.32 1074504 4375192 992312 Average: 9874956 13993958 1964096 12.00 132008 4113610 2347700 13.48 887556 5214382 496168 14:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:11 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 14:10:11 ens3 10.03 8.27 35.75 2.24 0.00 0.00 0.00 0.00 14:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 552.09 552.09 525.99 525.99 0.00 0.00 0.00 0.00 14:20:00 ens3 47.10 37.79 493.22 17.92 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 271.82 271.82 258.87 258.87 0.00 0.00 0.00 0.00 Average: ens3 28.26 22.79 260.73 9.95 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-14853) 02/18/26 _x86_64_ (4 CPU) 13:54:20 LINUX RESTART (4 CPU) 14:00:02 CPU %user %nice %system %iowait %steal %idle 14:10:11 all 49.48 0.00 0.68 0.04 0.07 49.73 14:10:11 0 44.67 0.00 0.67 0.01 0.07 54.58 14:10:11 1 59.32 0.00 0.77 0.09 0.07 39.76 14:10:11 2 49.61 0.00 0.70 0.01 0.07 49.60 14:10:11 3 44.33 0.00 0.57 0.05 0.09 54.96 14:20:00 all 56.12 0.00 1.43 0.14 0.08 42.23 14:20:00 0 47.03 0.00 1.39 0.11 0.09 51.38 14:20:00 1 73.35 0.00 1.34 0.11 0.09 25.11 14:20:00 2 57.90 0.00 1.75 0.12 0.08 40.16 14:20:00 3 46.24 0.00 1.23 0.23 0.07 52.23 Average: all 52.74 0.00 1.05 0.09 0.08 46.04 Average: 0 45.83 0.00 1.02 0.06 0.08 53.01 Average: 1 66.22 0.00 1.05 0.10 0.08 32.56 Average: 2 53.68 0.00 1.22 0.06 0.08 44.96 Average: 3 45.27 0.00 0.89 0.14 0.08 53.62