---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2743 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: 5599.94 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 68G 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 667 10601 4 4720 14979 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:39:bf:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84387sec preferred_lft 84387sec inet6 fe80::f816:3eff:fe39:bf8d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:64:e7:6f:e9:dc 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-2743) 04/14/26 _x86_64_ (4 CPU) 09:11:01 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:10 17.05 2.22 13.74 1.09 135.44 3243.38 2607.81 09:40:36 31.56 0.75 26.58 4.22 25.87 4027.37 9662.34 Average: 24.40 1.48 20.25 2.68 79.87 3641.00 6185.66 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:10 10291732 13727860 2231104 13.63 143948 3400044 2786952 16.00 619188 5055736 43932 09:40:36 10918100 15392408 559020 3.41 172724 4340484 1089260 6.25 898264 4072940 60 Average: 10604916 14560134 1395062 8.52 158336 3870264 1938106 11.12 758726 4564338 21996 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:10 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 09:30:10 ens3 99.71 74.60 449.24 19.83 0.00 0.00 0.00 0.00 09:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:36 lo 1658.87 1658.87 1576.61 1576.61 0.00 0.00 0.00 0.00 09:40:36 ens3 88.59 77.76 395.93 85.96 0.00 0.00 0.00 0.00 09:40:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 842.03 842.03 799.68 799.68 0.00 0.00 0.00 0.00 Average: ens3 94.07 76.20 422.20 53.37 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-2743) 04/14/26 _x86_64_ (4 CPU) 09:11:01 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:10 all 72.47 0.00 2.30 0.06 0.13 25.04 09:30:10 0 73.54 0.00 2.31 0.04 0.13 23.98 09:30:10 1 71.33 0.00 2.46 0.10 0.13 25.98 09:30:10 2 72.24 0.00 2.23 0.06 0.13 25.34 09:30:10 3 72.75 0.00 2.21 0.05 0.13 24.85 09:40:36 all 56.01 0.00 2.52 1.89 0.10 39.47 09:40:36 0 56.60 0.00 2.51 1.19 0.10 39.60 09:40:36 1 60.02 0.00 2.58 1.53 0.10 35.77 09:40:36 2 55.00 0.00 2.42 1.05 0.10 41.42 09:40:36 3 52.41 0.00 2.57 3.82 0.10 41.11 Average: all 64.12 0.00 2.41 0.99 0.11 32.36 Average: 0 64.95 0.00 2.41 0.62 0.11 31.90 Average: 1 65.60 0.00 2.52 0.82 0.11 30.95 Average: 2 63.50 0.00 2.33 0.56 0.12 33.49 Average: 3 62.44 0.00 2.39 1.96 0.11 33.09