---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16996 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: 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 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 672 8969 4 6347 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:e0:55:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84191sec preferred_lft 84191sec inet6 fe80::f816:3eff:fee0:55dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:24:b7:ea:09:32 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-16996) 05/20/26 _x86_64_ (4 CPU) 05:23:18 LINUX RESTART (4 CPU) 05:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:02 25.86 0.43 22.40 3.04 19.41 3108.48 6385.07 05:50:09 31.64 0.01 28.39 3.24 0.22 2591.84 12773.35 Average: 28.77 0.22 25.41 3.14 9.77 2848.92 9594.57 05:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:02 9631192 13205216 2752888 16.81 139260 3554744 2914700 16.73 691552 5658780 33316 05:50:09 8084288 12676052 3277740 20.02 159096 4504424 3373608 19.36 973024 6866468 591156 Average: 8857740 12940634 3015314 18.42 149178 4029584 3144154 18.05 832288 6262624 312236 05:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:02 lo 1539.07 1539.07 1460.57 1460.57 0.00 0.00 0.00 0.00 05:40:02 ens3 54.97 43.99 57.86 14.71 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:09 lo 1531.01 1531.01 1458.60 1458.60 0.00 0.00 0.00 0.00 05:50:09 ens3 43.39 34.98 41.09 12.76 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1535.02 1535.02 1459.58 1459.58 0.00 0.00 0.00 0.00 Average: ens3 49.15 39.46 49.43 13.73 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-16996) 05/20/26 _x86_64_ (4 CPU) 05:23:18 LINUX RESTART (4 CPU) 05:30:00 CPU %user %nice %system %iowait %steal %idle 05:40:02 all 69.62 0.00 2.51 0.07 0.10 27.70 05:40:02 0 70.72 0.00 2.33 0.09 0.10 26.76 05:40:02 1 70.82 0.00 2.71 0.07 0.10 26.30 05:40:02 2 69.38 0.00 2.68 0.08 0.10 27.77 05:40:02 3 67.55 0.00 2.33 0.06 0.10 29.96 05:50:09 all 61.75 0.00 2.54 0.85 0.09 34.77 05:50:09 0 62.07 0.00 2.60 0.55 0.09 34.68 05:50:09 1 62.96 0.00 2.65 0.60 0.09 33.70 05:50:09 2 62.66 0.00 2.39 1.10 0.09 33.76 05:50:09 3 59.32 0.00 2.50 1.16 0.09 36.94 Average: all 65.67 0.00 2.52 0.46 0.10 31.25 Average: 0 66.38 0.00 2.47 0.32 0.10 30.73 Average: 1 66.88 0.00 2.68 0.33 0.10 30.02 Average: 2 66.01 0.00 2.53 0.59 0.09 30.78 Average: 3 63.41 0.00 2.42 0.61 0.09 33.47