---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19603 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 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 635 10415 4 4939 15011 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:19:cd:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84823sec preferred_lft 84823sec inet6 fe80::f816:3eff:fe19:cd96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:3f:9c:b3:7b:46 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-19603) 05/24/26 _x86_64_ (4 CPU) 20:07:23 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 20.22 1.34 5.49 13.40 73.28 1824.91 239826.70 20:30:01 10.70 0.52 9.59 0.60 19.03 1823.76 1284.58 Average: 15.46 0.93 7.54 7.00 46.17 1824.34 120617.29 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 8975292 12042112 3921024 23.95 113456 3112812 4139944 23.76 499612 6544972 1076 20:30:01 8822524 12591264 3367888 20.57 131860 3758052 3457392 19.85 705024 6447868 263996 Average: 8898908 12316688 3644456 22.26 122658 3435432 3798668 21.80 602318 6496420 132536 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 20:20:01 ens3 14.97 12.89 104.43 2.99 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 192.31 192.31 182.90 182.90 0.00 0.00 0.00 0.00 20:30:01 ens3 35.61 27.22 432.93 3.59 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 96.43 96.43 91.59 91.59 0.00 0.00 0.00 0.00 Average: ens3 25.29 20.05 268.60 3.29 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-19603) 05/24/26 _x86_64_ (4 CPU) 20:07:23 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 50.40 0.00 0.78 0.05 0.07 48.70 20:20:01 0 58.26 0.00 0.87 0.02 0.07 40.78 20:20:01 1 45.23 0.00 0.58 0.03 0.07 54.09 20:20:01 2 47.88 0.00 0.76 0.02 0.08 51.26 20:20:01 3 50.21 0.00 0.91 0.13 0.07 48.68 20:30:01 all 51.22 0.00 0.92 0.03 0.07 47.76 20:30:01 0 44.84 0.00 0.93 0.04 0.08 54.12 20:30:01 1 41.03 0.00 0.82 0.00 0.06 58.08 20:30:01 2 62.58 0.00 1.02 0.06 0.08 36.26 20:30:01 3 56.45 0.00 0.89 0.03 0.07 42.56 Average: all 50.81 0.00 0.85 0.04 0.07 48.23 Average: 0 51.55 0.00 0.90 0.03 0.07 47.45 Average: 1 43.14 0.00 0.70 0.02 0.07 56.08 Average: 2 55.23 0.00 0.89 0.04 0.08 43.76 Average: 3 53.33 0.00 0.90 0.08 0.07 45.62