---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25417 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 633 10280 4 5075 15013 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:a6:33:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84768sec preferred_lft 84768sec inet6 fe80::f816:3eff:fea6:33da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:19:1e:0b:47:3e 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-25417) 06/06/26 _x86_64_ (4 CPU) 20:07:28 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 10.31 2.30 7.66 0.34 338.36 2666.91 181.70 20:30:01 17.21 0.22 3.53 13.47 6.60 492.06 238832.24 Average: 13.76 1.26 5.60 6.91 172.49 1579.52 119502.99 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9196116 12395664 3566800 21.78 115472 3240448 3743564 21.49 559552 6250408 76 20:30:01 10157912 13675364 2285208 13.96 124708 3527768 2483672 14.26 610760 5207336 173072 Average: 9677014 13035514 2926004 17.87 120090 3384108 3113618 17.87 585156 5728872 86574 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.62 0.62 0.33 0.33 0.00 0.00 0.00 0.00 20:20:01 ens3 54.89 43.94 628.70 6.27 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 0.53 0.53 0.09 0.09 0.00 0.00 0.00 0.00 20:30:01 ens3 21.82 17.73 283.48 2.65 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 0.58 0.58 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 38.36 30.83 456.10 4.46 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-25417) 06/06/26 _x86_64_ (4 CPU) 20:07:28 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 53.06 0.00 0.93 0.07 0.08 45.86 20:20:01 0 52.99 0.00 0.96 0.05 0.08 45.92 20:20:01 1 54.01 0.00 0.92 0.08 0.08 44.91 20:20:01 2 49.65 0.00 0.95 0.06 0.08 49.27 20:20:01 3 55.58 0.00 0.89 0.11 0.08 43.34 20:30:01 all 49.14 0.00 0.63 0.03 0.08 50.12 20:30:01 0 50.95 0.00 0.62 0.02 0.08 48.33 20:30:01 1 67.75 0.00 0.72 0.01 0.08 31.44 20:30:01 2 42.18 0.00 0.60 0.08 0.07 57.07 20:30:01 3 35.67 0.00 0.56 0.03 0.07 63.67 Average: all 51.10 0.00 0.78 0.05 0.08 47.99 Average: 0 51.97 0.00 0.79 0.03 0.08 47.12 Average: 1 60.88 0.00 0.82 0.04 0.08 38.17 Average: 2 45.92 0.00 0.77 0.07 0.07 53.17 Average: 3 45.63 0.00 0.72 0.07 0.08 53.50