---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12618 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 15% / 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 668 9361 4 5959 14978 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:33:3a:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fe33:3a32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:98:24:f1:0d:66 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-12618) 05/11/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 25.09 0.78 21.07 3.24 29.91 3619.51 70675.75 01:30:25 24.05 0.16 20.54 3.36 4.72 1876.72 23931.87 Average: 24.56 0.46 20.80 3.30 16.99 2725.55 46698.65 01:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9520372 13047916 2910196 17.77 130972 3517536 3211612 18.43 704824 5757784 224 01:30:25 8791592 12745992 3208476 19.60 152468 3891140 3334776 19.14 847524 6312260 20224 Average: 9155982 12896954 3059336 18.69 141720 3704338 3273194 18.79 776174 6035022 10224 01:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 27.97 27.97 6.44 6.44 0.00 0.00 0.00 0.00 01:20:01 ens3 38.99 31.65 231.40 8.04 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:25 lo 1378.44 1378.44 1291.44 1291.44 0.00 0.00 0.00 0.00 01:30:25 ens3 47.79 34.62 257.08 8.86 0.00 0.00 0.00 0.00 01:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 720.69 720.69 665.57 665.57 0.00 0.00 0.00 0.00 Average: ens3 43.50 33.17 244.57 8.46 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-12618) 05/11/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:09 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 36.54 0.00 1.42 0.13 0.08 61.83 01:20:01 0 36.17 0.00 1.33 0.07 0.09 62.34 01:20:01 1 35.32 0.00 1.24 0.18 0.09 63.17 01:20:01 2 38.13 0.00 1.93 0.15 0.08 59.71 01:20:01 3 36.54 0.00 1.17 0.09 0.08 62.12 01:30:25 all 34.09 0.00 1.72 0.18 0.09 63.92 01:30:25 0 33.15 0.00 1.70 0.18 0.09 64.88 01:30:25 1 34.93 0.00 1.89 0.07 0.09 63.02 01:30:25 2 34.61 0.00 1.54 0.22 0.09 63.55 01:30:25 3 33.68 0.00 1.75 0.24 0.09 64.24 Average: all 35.28 0.00 1.57 0.15 0.09 62.91 Average: 0 34.62 0.00 1.52 0.13 0.09 63.64 Average: 1 35.12 0.00 1.57 0.12 0.09 63.09 Average: 2 36.32 0.00 1.73 0.19 0.08 61.68 Average: 3 35.07 0.00 1.46 0.17 0.09 63.21