---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23737 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 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 710 10058 4 5221 14936 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:1c:51:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84556sec preferred_lft 84556sec inet6 fe80::f816:3eff:fe1c:5193/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:63:d0:b1:9c:39 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-23737) 06/04/26 _x86_64_ (4 CPU) 18:13:39 LINUX RESTART (4 CPU) 18:20:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:09 16.34 2.34 12.86 1.15 142.29 3365.12 2246.65 18:40:09 43.08 0.79 24.28 18.02 27.09 4373.37 246528.59 Average: 29.94 1.55 18.67 9.73 83.70 3877.86 126474.61 18:20:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:09 9496504 13370364 2586444 15.80 146124 3825960 2865180 16.45 824044 5643788 52524 18:40:09 10373988 15360036 589892 3.60 176768 4830612 1128632 6.48 1115192 4363824 776 Average: 9935246 14365200 1588168 9.70 161446 4328286 1996906 11.46 969618 5003806 26650 18:20:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:09 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 18:30:09 ens3 86.69 69.67 411.71 20.43 0.00 0.00 0.00 0.00 18:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:09 lo 1502.00 1502.00 1429.44 1429.44 0.00 0.00 0.00 0.00 18:40:09 ens3 76.19 59.65 407.22 67.84 0.00 0.00 0.00 0.00 18:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 764.53 764.53 727.00 727.00 0.00 0.00 0.00 0.00 Average: ens3 81.35 64.57 409.43 44.54 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-23737) 06/04/26 _x86_64_ (4 CPU) 18:13:39 LINUX RESTART (4 CPU) 18:20:29 CPU %user %nice %system %iowait %steal %idle 18:30:09 all 74.06 0.00 2.29 0.12 0.11 23.42 18:30:09 0 74.26 0.00 2.48 0.13 0.11 23.02 18:30:09 1 74.42 0.00 2.09 0.10 0.11 23.28 18:30:09 2 74.86 0.00 2.52 0.07 0.11 22.44 18:30:09 3 72.70 0.00 2.07 0.19 0.11 24.93 18:40:09 all 53.04 0.00 2.32 4.86 0.10 39.67 18:40:09 0 52.75 0.00 2.30 12.07 0.10 32.79 18:40:09 1 55.53 0.00 2.46 2.80 0.09 39.12 18:40:09 2 52.98 0.00 2.15 1.60 0.10 43.17 18:40:09 3 50.91 0.00 2.39 2.99 0.09 43.62 Average: all 63.38 0.00 2.31 2.53 0.10 31.68 Average: 0 63.33 0.00 2.39 6.19 0.10 27.99 Average: 1 64.81 0.00 2.27 1.47 0.10 31.34 Average: 2 63.74 0.00 2.33 0.85 0.11 32.98 Average: 3 61.62 0.00 2.23 1.61 0.10 34.43