---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35716 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 68G 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 687 10470 4 4831 14958 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:97:98:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84603sec preferred_lft 84603sec inet6 fe80::f816:3eff:fe97:9899/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:2e:43:ba:81:a0 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-35716) 07/14/26 _x86_64_ (4 CPU) 08:57:53 LINUX RESTART (4 CPU) 09:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:16 13.84 1.97 11.23 0.65 126.27 3313.59 1471.69 09:20:16 22.90 0.78 19.43 2.69 28.00 3165.08 5509.41 Average: 18.37 1.37 15.33 1.67 77.13 3239.33 3490.55 09:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:16 10814676 14080880 1880244 11.48 127128 3268260 2309112 13.25 538904 4650056 17828 09:20:16 8762528 12998596 2954136 18.04 164380 4122116 3125172 17.94 775588 6375764 123616 Average: 9788602 13539738 2417190 14.76 145754 3695188 2717142 15.60 657246 5512910 70722 09:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:16 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 09:10:16 ens3 84.91 68.68 647.21 14.63 0.00 0.00 0.00 0.00 09:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:16 lo 1222.19 1222.19 1165.08 1165.08 0.00 0.00 0.00 0.00 09:20:16 ens3 73.54 58.18 328.28 17.16 0.00 0.00 0.00 0.00 09:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 611.53 611.53 582.58 582.58 0.00 0.00 0.00 0.00 Average: ens3 79.23 63.43 487.75 15.89 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-35716) 07/14/26 _x86_64_ (4 CPU) 08:57:53 LINUX RESTART (4 CPU) 09:00:16 CPU %user %nice %system %iowait %steal %idle 09:10:16 all 46.12 0.00 1.54 0.25 0.11 51.99 09:10:16 0 44.34 0.00 1.43 0.25 0.12 53.87 09:10:16 1 46.73 0.00 1.52 0.12 0.11 51.53 09:10:16 2 47.57 0.00 1.59 0.38 0.11 50.35 09:10:16 3 45.86 0.00 1.61 0.24 0.11 52.18 09:20:16 all 69.70 0.00 2.64 0.09 0.14 27.43 09:20:16 0 70.06 0.00 2.33 0.10 0.14 27.37 09:20:16 1 68.32 0.00 2.78 0.12 0.14 28.64 09:20:16 2 70.62 0.00 2.61 0.05 0.14 26.59 09:20:16 3 69.81 0.00 2.83 0.10 0.14 27.11 Average: all 57.90 0.00 2.09 0.17 0.13 39.72 Average: 0 57.17 0.00 1.88 0.17 0.13 40.65 Average: 1 57.51 0.00 2.15 0.12 0.12 40.10 Average: 2 59.09 0.00 2.10 0.22 0.12 38.47 Average: 3 57.82 0.00 2.22 0.17 0.13 39.66