---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19973 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: 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 9.8G 68G 13% / 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 621 11117 4 4250 15025 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:61:a8:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84505sec preferred_lft 84505sec inet6 fe80::f816:3eff:fe61:a8ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:40:56:c2:63:3e 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-19973) 02/22/26 _x86_64_ (4 CPU) 19:38:45 LINUX RESTART (4 CPU) 19:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:03 4.82 0.27 4.22 0.33 217.29 520.82 8921.16 20:00:01 41.44 4.06 36.39 0.99 252.40 4263.57 2316.23 20:10:03 16.59 0.60 14.00 1.99 24.73 2954.03 3105.34 Average: 21.13 1.66 18.36 1.12 163.92 2604.41 4729.03 19:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:03 13609836 15527848 487140 2.98 57652 2085156 1125100 6.46 265928 2246184 168 20:00:01 10992988 14157008 1804144 11.02 122128 3190944 2155252 12.37 579476 4445940 34768 20:10:03 11404640 15405612 548380 3.35 160904 3906476 1070144 6.14 773408 3747164 35280 Average: 12002488 15030156 946555 5.78 113561 3060859 1450165 8.32 539604 3479763 23405 19:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:03 lo 0.15 0.15 0.02 0.02 0.00 0.00 0.00 0.00 19:50:03 ens3 9.77 5.98 146.51 0.44 0.00 0.00 0.00 0.00 19:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 20:00:01 ens3 114.37 88.16 878.84 18.04 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:03 lo 1.39 1.39 0.15 0.15 0.00 0.00 0.00 0.00 20:10:03 ens3 64.07 52.62 139.98 17.66 0.00 0.00 0.00 0.00 20:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 63.36 49.43 390.83 12.19 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-19973) 02/22/26 _x86_64_ (4 CPU) 19:38:45 LINUX RESTART (4 CPU) 19:40:25 CPU %user %nice %system %iowait %steal %idle 19:50:03 all 0.17 0.00 0.09 0.08 0.01 99.64 19:50:03 0 0.13 0.00 0.09 0.20 0.02 99.57 19:50:03 1 0.24 0.00 0.10 0.03 0.02 99.61 19:50:03 2 0.19 0.00 0.13 0.05 0.01 99.62 19:50:03 3 0.14 0.00 0.07 0.03 0.01 99.76 20:00:01 all 33.20 0.00 1.27 0.23 0.06 65.24 20:00:01 0 34.57 0.00 1.53 0.08 0.06 63.76 20:00:01 1 34.62 0.00 1.20 0.09 0.06 64.03 20:00:01 2 30.06 0.00 1.10 0.65 0.06 68.13 20:00:01 3 33.53 0.00 1.26 0.12 0.06 65.03 20:10:03 all 69.01 0.00 2.20 0.05 0.09 28.64 20:10:03 0 69.69 0.00 2.03 0.10 0.09 28.09 20:10:03 1 68.39 0.00 2.19 0.04 0.09 29.29 20:10:03 2 69.91 0.00 2.33 0.03 0.10 27.63 20:10:03 3 68.06 0.00 2.25 0.05 0.09 29.53 Average: all 34.58 0.00 1.20 0.12 0.06 64.04 Average: 0 35.26 0.00 1.23 0.12 0.06 63.33 Average: 1 34.90 0.00 1.18 0.05 0.06 63.81 Average: 2 33.83 0.00 1.20 0.25 0.05 64.67 Average: 3 34.33 0.00 1.21 0.07 0.05 64.34