---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6936 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 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 728 9390 4 5870 14917 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:d6:f5:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84533sec preferred_lft 84533sec inet6 fe80::f816:3eff:fed6:f59f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:42:a7:11:89:14 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-6936) 04/23/26 _x86_64_ (4 CPU) 06:26:30 LINUX RESTART (4 CPU) 06:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 43.46 2.95 25.04 15.48 530.11 5421.52 264739.87 06:50:18 36.24 0.05 32.66 3.52 1.61 5799.96 14532.40 Average: 39.78 1.47 28.92 9.39 260.90 5614.29 137288.64 06:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9270600 13275892 2678732 16.36 159588 3934052 2966108 17.03 872120 5807472 11024 06:50:18 7669200 13061996 2885848 17.63 188224 5219768 3103504 17.81 1168864 7021756 37568 Average: 8469900 13168944 2782290 16.99 173906 4576910 3034806 17.42 1020492 6414614 24296 06:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 749.51 749.51 714.11 714.11 0.00 0.00 0.00 0.00 06:40:01 ens3 120.96 90.42 1040.58 18.29 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:18 lo 1457.96 1457.96 1389.47 1389.47 0.00 0.00 0.00 0.00 06:50:18 ens3 65.58 49.81 210.11 14.31 0.00 0.00 0.00 0.00 06:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.38 1110.38 1058.13 1058.13 0.00 0.00 0.00 0.00 Average: ens3 92.75 69.73 617.55 16.26 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-6936) 04/23/26 _x86_64_ (4 CPU) 06:26:30 LINUX RESTART (4 CPU) 06:30:08 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 60.64 0.00 2.21 0.10 0.09 36.96 06:40:01 0 58.39 0.00 2.23 0.13 0.08 39.16 06:40:01 1 60.29 0.00 2.31 0.11 0.09 37.20 06:40:01 2 60.64 0.00 2.04 0.08 0.08 37.16 06:40:01 3 63.24 0.00 2.26 0.10 0.09 34.32 06:50:18 all 58.95 0.00 2.44 0.08 0.08 38.45 06:50:18 0 56.39 0.00 2.15 0.11 0.08 41.27 06:50:18 1 58.51 0.00 2.56 0.13 0.08 38.72 06:50:18 2 62.50 0.00 2.67 0.05 0.07 34.70 06:50:18 3 58.42 0.00 2.37 0.03 0.08 39.11 Average: all 59.78 0.00 2.33 0.09 0.08 37.72 Average: 0 57.37 0.00 2.19 0.12 0.08 40.24 Average: 1 59.38 0.00 2.44 0.12 0.08 37.98 Average: 2 61.59 0.00 2.36 0.06 0.08 35.91 Average: 3 60.78 0.00 2.32 0.06 0.08 36.76