---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12157 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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 12G 66G 16% / 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 704 8736 4 6548 14942 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:70:7b:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84430sec preferred_lft 84430sec inet6 fe80::f816:3eff:fe70:7b0e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:f1:15:c7:bb:51 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-12157) 05/09/26 _x86_64_ (4 CPU) 02:26:11 LINUX RESTART (4 CPU) 02:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:01 38.70 0.15 22.27 16.28 10.15 2641.32 246586.92 02:50:00 34.74 0.03 31.34 3.38 0.61 4687.79 15836.94 Average: 36.73 0.09 26.80 9.84 5.39 3663.20 131364.90 02:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:01 9355948 13061396 2895592 17.69 137364 3688572 2997672 17.21 733040 5894416 3268 02:50:00 7715128 12476632 3475512 21.23 158472 4674620 3355060 19.26 1023808 7171016 2288 Average: 8535538 12769014 3185552 19.46 147918 4181596 3176366 18.23 878424 6532716 2778 02:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:01 lo 1375.16 1375.16 1304.27 1304.27 0.00 0.00 0.00 0.00 02:40:01 ens3 62.36 49.63 159.51 14.26 0.00 0.00 0.00 0.00 02:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:00 lo 1489.92 1489.92 1419.22 1419.22 0.00 0.00 0.00 0.00 02:50:00 ens3 64.99 45.57 33.61 16.15 0.00 0.00 0.00 0.00 02:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1432.46 1432.46 1361.67 1361.67 0.00 0.00 0.00 0.00 Average: ens3 63.68 47.60 96.65 15.20 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-12157) 05/09/26 _x86_64_ (4 CPU) 02:26:11 LINUX RESTART (4 CPU) 02:30:00 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 66.13 0.00 2.32 0.12 0.08 31.34 02:40:01 0 65.31 0.00 2.20 0.18 0.09 32.22 02:40:01 1 65.51 0.00 2.39 0.13 0.08 31.89 02:40:01 2 67.78 0.00 2.21 0.07 0.09 29.86 02:40:01 3 65.92 0.00 2.49 0.11 0.08 31.39 02:50:00 all 63.56 0.00 2.56 0.14 0.09 33.64 02:50:00 0 66.16 0.00 2.64 0.10 0.09 31.01 02:50:00 1 62.78 0.00 2.52 0.08 0.09 34.53 02:50:00 2 62.64 0.00 2.50 0.29 0.09 34.48 02:50:00 3 62.65 0.00 2.59 0.12 0.09 34.56 Average: all 64.85 0.00 2.44 0.13 0.09 32.49 Average: 0 65.73 0.00 2.42 0.14 0.09 31.62 Average: 1 64.15 0.00 2.45 0.10 0.09 33.21 Average: 2 65.22 0.00 2.36 0.18 0.09 32.16 Average: 3 64.29 0.00 2.54 0.11 0.09 32.97