---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8079 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 673 10294 4 5021 14973 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:01:78:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84565sec preferred_lft 84565sec inet6 fe80::f816:3eff:fe01:7851/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:63:f2:50:f2:05 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-8079) 03/22/26 _x86_64_ (4 CPU) 09:25:05 LINUX RESTART (4 CPU) 09:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:01 18.91 2.35 15.19 1.38 342.63 3641.50 19474.68 09:50:18 25.89 0.64 21.93 3.32 20.82 4042.11 11274.05 Average: 22.47 1.48 18.62 2.36 178.66 3845.62 15296.25 09:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:01 10095820 13659852 2298148 14.04 143248 3537860 2644652 15.18 671468 5215888 33976 09:50:18 8101976 12773092 3176344 19.40 173504 4534040 3598596 20.66 963696 6826056 13124 Average: 9098898 13216472 2737246 16.72 158376 4035950 3121624 17.92 817582 6020972 23550 09:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:01 lo 1.38 1.38 0.15 0.15 0.00 0.00 0.00 0.00 09:40:01 ens3 101.09 78.97 749.92 19.80 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:18 lo 1574.56 1574.56 1501.18 1501.18 0.00 0.00 0.00 0.00 09:50:18 ens3 74.37 53.97 410.25 14.61 0.00 0.00 0.00 0.00 09:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 802.96 802.96 764.96 764.96 0.00 0.00 0.00 0.00 Average: ens3 87.48 66.23 576.85 17.15 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-8079) 03/22/26 _x86_64_ (4 CPU) 09:25:05 LINUX RESTART (4 CPU) 09:30:07 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 70.64 0.00 2.53 0.14 0.09 26.60 09:40:01 0 69.52 0.00 2.69 0.12 0.09 27.58 09:40:01 1 71.00 0.00 2.81 0.08 0.09 26.01 09:40:01 2 71.09 0.00 2.29 0.14 0.08 26.40 09:40:01 3 70.96 0.00 2.33 0.22 0.08 26.41 09:50:18 all 58.24 0.00 2.64 5.95 0.09 33.08 09:50:18 0 56.98 0.00 2.48 3.64 0.11 36.79 09:50:18 1 61.65 0.00 2.71 8.46 0.08 27.10 09:50:18 2 57.55 0.00 2.39 0.63 0.08 39.35 09:50:18 3 56.79 0.00 2.98 11.07 0.09 29.07 Average: all 64.34 0.00 2.59 3.09 0.09 29.89 Average: 0 63.15 0.00 2.59 1.91 0.10 32.25 Average: 1 66.26 0.00 2.76 4.33 0.08 26.56 Average: 2 64.21 0.00 2.34 0.39 0.08 32.99 Average: 3 63.75 0.00 2.66 5.74 0.09 27.77