---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4891 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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: 5600.00 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 671 10360 4 4957 14975 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:be:8e:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84597sec preferred_lft 84597sec inet6 fe80::f816:3eff:febe:8e3b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:87:0c:ee:ed:cc 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4891) 01/27/26 _x86_64_ (4 CPU) 04:08:29 LINUX RESTART (4 CPU) 04:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:20:14 19.96 3.08 15.63 1.25 547.58 3597.64 2567.95 04:30:19 20.59 0.83 17.76 2.00 27.14 3451.76 3208.07 Average: 20.27 1.96 16.69 1.62 289.10 3525.19 2885.86 04:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:20:14 9954956 13216932 2743820 16.76 123336 3286156 3089280 17.73 677312 5388628 37380 04:30:19 8986976 13295128 2656976 16.23 164484 4203412 3111312 17.86 921272 6013908 85816 Average: 9470966 13256030 2700398 16.49 143910 3744784 3100296 17.80 799292 5701268 61598 04:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:20:14 lo 0.84 0.84 0.09 0.09 0.00 0.00 0.00 0.00 04:20:14 ens3 82.35 64.09 790.03 14.05 0.00 0.00 0.00 0.00 04:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:19 lo 799.44 799.44 761.29 761.29 0.00 0.00 0.00 0.00 04:30:19 ens3 75.29 55.06 360.01 16.68 0.00 0.00 0.00 0.00 04:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 397.46 397.46 378.14 378.14 0.00 0.00 0.00 0.00 Average: ens3 78.84 59.61 576.46 15.36 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4891) 01/27/26 _x86_64_ (4 CPU) 04:08:29 LINUX RESTART (4 CPU) 04:10:01 CPU %user %nice %system %iowait %steal %idle 04:20:14 all 38.94 0.00 1.53 0.26 0.07 59.20 04:20:14 0 38.12 0.00 1.67 0.12 0.06 60.02 04:20:14 1 40.07 0.00 1.53 0.35 0.07 57.97 04:20:14 2 40.90 0.00 1.47 0.09 0.08 57.45 04:20:14 3 36.65 0.00 1.44 0.48 0.07 61.36 04:30:19 all 71.23 0.00 2.61 0.14 0.11 25.90 04:30:19 0 69.66 0.00 3.10 0.12 0.11 27.00 04:30:19 1 70.08 0.00 2.48 0.24 0.11 27.10 04:30:19 2 73.36 0.00 2.53 0.09 0.11 23.91 04:30:19 3 71.83 0.00 2.33 0.13 0.11 25.61 Average: all 54.97 0.00 2.07 0.20 0.09 42.68 Average: 0 53.77 0.00 2.38 0.12 0.08 43.64 Average: 1 54.98 0.00 2.00 0.29 0.09 42.64 Average: 2 57.02 0.00 2.00 0.09 0.09 40.80 Average: 3 54.10 0.00 1.88 0.30 0.09 43.63