---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13796 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 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 635 10364 4 4989 15011 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:8a:19:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84577sec preferred_lft 84577sec inet6 fe80::f816:3eff:fe8a:19ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:e3:b0:73:84:0a 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-13796) 02/18/26 _x86_64_ (4 CPU) 12:29:22 LINUX RESTART (4 CPU) 12:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:01 39.43 4.65 33.62 1.17 654.97 4598.98 15776.69 12:50:11 3.52 0.07 3.35 0.11 6.75 455.68 16.61 Average: 21.27 2.33 18.31 0.63 327.15 2503.61 7806.43 12:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:01 9495936 12591440 3371112 20.59 114392 3149148 3675916 21.10 602848 5936524 1440 12:50:11 9330072 12554184 3407196 20.81 118744 3263168 3605876 20.70 630944 6063700 32 Average: 9413004 12572812 3389154 20.70 116568 3206158 3640896 20.90 616896 6000112 736 12:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:01 lo 0.48 0.48 0.05 0.05 0.00 0.00 0.00 0.00 12:40:01 ens3 103.97 77.98 1064.74 13.75 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:11 lo 0.54 0.54 0.36 0.36 0.00 0.00 0.00 0.00 12:50:11 ens3 7.09 6.01 35.05 1.39 0.00 0.00 0.00 0.00 12:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.51 0.51 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 54.97 41.58 544.00 7.50 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-13796) 02/18/26 _x86_64_ (4 CPU) 12:29:22 LINUX RESTART (4 CPU) 12:30:05 CPU %user %nice %system %iowait %steal %idle 12:40:01 all 41.32 0.00 1.25 2.14 0.14 55.14 12:40:01 0 35.23 0.00 1.59 0.90 0.11 62.18 12:40:01 1 45.96 0.00 1.34 1.24 0.15 51.30 12:40:01 2 35.56 0.00 0.87 0.38 0.11 63.07 12:40:01 3 48.53 0.00 1.20 6.04 0.20 44.02 12:50:11 all 45.27 0.00 0.58 0.14 0.27 53.74 12:50:11 0 31.18 0.00 0.59 0.20 0.33 67.69 12:50:11 1 46.49 0.00 0.60 0.11 0.30 52.50 12:50:11 2 67.28 0.00 0.65 0.13 0.17 31.77 12:50:11 3 36.19 0.00 0.47 0.13 0.28 62.93 Average: all 43.32 0.00 0.91 1.13 0.21 54.43 Average: 0 33.18 0.00 1.09 0.55 0.22 64.97 Average: 1 46.23 0.00 0.97 0.66 0.23 51.91 Average: 2 51.66 0.00 0.76 0.26 0.14 47.19 Average: 3 42.27 0.00 0.83 3.05 0.24 53.61