---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-493806 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 633 10619 4 4736 15013 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:27:82:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84793sec preferred_lft 84793sec inet6 fe80::f816:3eff:fe27:82a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:15:00:5c:df:72 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-493806) 03/16/26 _x86_64_ (4 CPU) 16:43:41 LINUX RESTART (4 CPU) 16:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:17 3.59 0.06 3.38 0.14 6.71 496.47 52.68 17:10:12 39.12 0.59 22.68 15.85 27.27 6079.42 245730.86 Average: 21.27 0.32 12.99 7.96 16.94 3275.33 122336.50 16:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:17 9678436 12660444 3303388 20.18 113248 3032512 3537136 20.30 495304 5849876 116 17:10:12 10930996 15424356 533248 3.26 137376 4460860 1031400 5.92 875548 4146644 26672 Average: 10304716 14042400 1918318 11.72 125312 3746686 2284268 13.11 685426 4998260 13394 16:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:17 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 17:00:17 ens3 8.04 6.73 35.93 1.79 0.00 0.00 0.00 0.00 17:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:12 lo 485.76 485.76 462.36 462.36 0.00 0.00 0.00 0.00 17:10:12 ens3 52.64 40.17 496.15 18.28 0.00 0.00 0.00 0.00 17:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 242.07 242.07 230.32 230.32 0.00 0.00 0.00 0.00 Average: ens3 30.24 23.37 265.00 10.00 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-493806) 03/16/26 _x86_64_ (4 CPU) 16:43:41 LINUX RESTART (4 CPU) 16:50:17 CPU %user %nice %system %iowait %steal %idle 17:00:17 all 45.20 0.00 0.67 0.02 0.09 54.03 17:00:17 0 33.86 0.00 0.61 0.04 0.08 65.41 17:00:17 1 41.70 0.00 0.60 0.00 0.09 57.61 17:00:17 2 63.34 0.00 0.84 0.01 0.11 35.70 17:00:17 3 41.91 0.00 0.61 0.01 0.10 57.37 17:10:12 all 50.58 0.00 1.63 0.15 0.11 47.54 17:10:12 0 44.75 0.00 1.62 0.15 0.10 53.38 17:10:12 1 39.40 0.00 1.72 0.12 0.10 58.67 17:10:12 2 66.73 0.00 1.60 0.18 0.13 31.36 17:10:12 3 51.44 0.00 1.58 0.14 0.11 46.73 Average: all 47.87 0.00 1.14 0.08 0.10 50.80 Average: 0 39.28 0.00 1.11 0.09 0.09 59.43 Average: 1 40.56 0.00 1.15 0.06 0.09 58.13 Average: 2 65.03 0.00 1.22 0.10 0.12 33.54 Average: 3 46.65 0.00 1.09 0.08 0.10 52.08