---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-668 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 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 618 10432 4 4939 15028 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:ae:0d:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84743sec preferred_lft 84743sec inet6 fe80::f816:3eff:feae:dae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:a1:cd:cd:76:7b 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-668) 07/30/26 _x86_64_ (4 CPU) 20:09:16 LINUX RESTART (4 CPU) 20:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:06 21.83 3.04 18.02 0.77 167.30 4218.67 603.92 20:30:06 3.37 0.06 3.22 0.09 6.28 322.75 11.64 Average: 12.61 1.55 10.63 0.43 86.89 2273.23 308.16 20:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:06 10846220 13878316 2085404 12.74 113248 3079036 2393440 13.74 488476 4695448 2844 20:30:06 10372732 13499332 2463644 15.05 117208 3161180 2676616 15.36 515348 5141584 10724 Average: 10609476 13688824 2274524 13.89 115228 3120108 2535028 14.55 501912 4918516 6784 20:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:06 lo 0.49 0.49 0.05 0.05 0.00 0.00 0.00 0.00 20:20:06 ens3 81.07 63.93 860.15 9.61 0.00 0.00 0.00 0.00 20:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:06 lo 0.52 0.52 0.37 0.37 0.00 0.00 0.00 0.00 20:30:06 ens3 6.43 5.11 20.66 1.20 0.00 0.00 0.00 0.00 20:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.50 0.50 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 43.80 34.55 440.95 5.41 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-668) 07/30/26 _x86_64_ (4 CPU) 20:09:16 LINUX RESTART (4 CPU) 20:10:05 CPU %user %nice %system %iowait %steal %idle 20:20:06 all 47.13 0.00 1.08 0.26 0.09 51.44 20:20:06 0 44.98 0.00 0.93 0.57 0.08 53.44 20:20:06 1 44.39 0.00 1.16 0.13 0.09 54.23 20:20:06 2 54.30 0.00 1.21 0.22 0.09 44.17 20:20:06 3 44.86 0.00 1.01 0.11 0.08 53.93 20:30:06 all 42.94 0.00 0.50 0.04 0.08 56.44 20:30:06 0 22.46 0.00 0.41 0.04 0.07 77.03 20:30:06 1 57.11 0.00 0.49 0.02 0.08 42.30 20:30:06 2 30.84 0.00 0.53 0.08 0.07 68.47 20:30:06 3 61.41 0.00 0.58 0.01 0.09 37.91 Average: all 45.04 0.00 0.79 0.15 0.08 53.94 Average: 0 33.73 0.00 0.67 0.30 0.08 65.22 Average: 1 50.74 0.00 0.82 0.08 0.08 48.27 Average: 2 42.57 0.00 0.87 0.15 0.08 56.32 Average: 3 53.12 0.00 0.80 0.06 0.09 45.93