---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65963 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 602 10535 4 4851 15044 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:d7:aa:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84628sec preferred_lft 84628sec inet6 fe80::f816:3eff:fed7:aacc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:e0:00:cf:78:0d 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-65963) 04/02/26 _x86_64_ (4 CPU) 07:20:37 LINUX RESTART (4 CPU) 07:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:00 23.84 0.01 21.38 2.44 0.19 2159.99 8608.99 07:50:00 22.06 0.10 19.13 2.83 8.61 3676.63 9807.97 Average: 22.95 0.05 20.26 2.64 4.40 2918.32 9208.48 07:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:00 8532348 12509540 3446416 21.05 152996 3917768 3514760 20.17 776048 6650236 212268 07:50:00 10817012 15426340 527844 3.22 162852 4518840 1073060 6.16 1007824 4112984 26868 Average: 9674680 13967940 1987130 12.14 157924 4218304 2293910 13.17 891936 5381610 119568 07:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:00 lo 1183.87 1183.87 1127.84 1127.84 0.00 0.00 0.00 0.00 07:40:00 ens3 23.62 20.92 38.10 6.45 0.00 0.00 0.00 0.00 07:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 lo 801.68 801.68 5229.31 5229.31 0.00 0.00 0.00 0.00 07:50:00 ens3 14.94 12.47 13.89 5.14 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 992.78 992.78 3178.59 3178.59 0.00 0.00 0.00 0.00 Average: ens3 19.28 16.70 25.99 5.80 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-65963) 04/02/26 _x86_64_ (4 CPU) 07:20:37 LINUX RESTART (4 CPU) 07:30:00 CPU %user %nice %system %iowait %steal %idle 07:40:00 all 65.61 0.00 2.28 1.12 0.11 30.89 07:40:00 0 65.53 0.00 2.20 0.84 0.11 31.33 07:40:00 1 66.76 0.00 2.26 1.60 0.11 29.26 07:40:00 2 64.09 0.00 2.51 1.09 0.10 32.21 07:40:00 3 66.04 0.00 2.17 0.94 0.11 30.75 07:50:00 all 43.77 0.00 1.64 0.73 0.10 53.77 07:50:00 0 42.60 0.00 1.58 0.96 0.10 54.76 07:50:00 1 41.29 0.00 1.81 0.42 0.10 56.38 07:50:00 2 44.87 0.00 1.58 0.56 0.11 52.88 07:50:00 3 46.31 0.00 1.57 0.99 0.10 51.03 Average: all 54.68 0.00 1.96 0.93 0.10 42.34 Average: 0 54.07 0.00 1.89 0.90 0.10 43.05 Average: 1 54.01 0.00 2.03 1.01 0.10 42.83 Average: 2 54.46 0.00 2.04 0.82 0.11 42.57 Average: 3 56.17 0.00 1.87 0.97 0.10 40.89