---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11123 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 67G 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 703 9672 4 5613 14943 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:04:4b:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84572sec preferred_lft 84572sec inet6 fe80::f816:3eff:fe04:4b71/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:c8:32:44:03:3c 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-11123) 05/05/26 _x86_64_ (4 CPU) 15:46:13 LINUX RESTART (4 CPU) 15:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:01 25.18 2.07 20.96 2.14 131.40 4540.66 9359.15 16:10:06 31.74 0.05 28.43 3.26 1.60 6070.30 19279.04 Average: 28.49 1.05 24.73 2.71 65.90 5312.54 14364.89 15:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:01 9695536 13400356 2556444 15.61 155408 3639600 2835452 16.28 716188 5542680 25792 16:10:06 7689820 12835568 3114216 19.02 189012 4973144 3242744 18.61 1027968 7161288 19644 Average: 8692678 13117962 2835330 17.32 172210 4306372 3039098 17.44 872078 6351984 22718 15:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:01 lo 867.40 867.40 826.10 826.10 0.00 0.00 0.00 0.00 16:00:01 ens3 76.56 56.09 357.91 15.21 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:06 lo 1293.94 1293.94 1233.04 1233.04 0.00 0.00 0.00 0.00 16:10:06 ens3 57.13 43.78 231.45 12.12 0.00 0.00 0.00 0.00 16:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1082.64 1082.64 1031.45 1031.45 0.00 0.00 0.00 0.00 Average: ens3 66.76 49.88 294.10 13.65 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-11123) 05/05/26 _x86_64_ (4 CPU) 15:46:13 LINUX RESTART (4 CPU) 15:50:06 CPU %user %nice %system %iowait %steal %idle 16:00:01 all 66.39 0.00 2.25 0.08 0.11 31.18 16:00:01 0 66.86 0.00 2.45 0.10 0.11 30.49 16:00:01 1 67.43 0.00 2.37 0.08 0.10 30.02 16:00:01 2 65.10 0.00 2.21 0.05 0.10 32.55 16:00:01 3 66.18 0.00 1.97 0.09 0.11 31.65 16:10:06 all 56.82 0.00 2.30 0.08 0.10 40.70 16:10:06 0 60.00 0.00 2.78 0.07 0.10 37.06 16:10:06 1 55.39 0.00 1.94 0.07 0.10 42.50 16:10:06 2 55.28 0.00 2.04 0.07 0.10 42.52 16:10:06 3 56.63 0.00 2.45 0.10 0.10 40.73 Average: all 61.57 0.00 2.27 0.08 0.10 35.98 Average: 0 63.39 0.00 2.61 0.08 0.10 33.81 Average: 1 61.36 0.00 2.15 0.08 0.10 36.31 Average: 2 60.14 0.00 2.12 0.06 0.10 37.58 Average: 3 61.37 0.00 2.21 0.09 0.10 36.22