---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1248 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 673 9716 4 5599 14973 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:7b:f0:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84344sec preferred_lft 84344sec inet6 fe80::f816:3eff:fe7b:f0ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:96:50:8c:47:ff 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-1248) 08/01/26 _x86_64_ (4 CPU) 18:23:14 LINUX RESTART (4 CPU) 18:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:01 48.54 0.03 40.74 7.77 0.66 1805.71 154676.72 18:50:04 24.14 0.15 20.29 3.69 4.82 1848.27 35790.43 Average: 36.28 0.09 30.47 5.72 2.75 1827.09 94957.76 18:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:01 9374152 13033384 2924284 17.86 158452 3618748 3199824 18.37 700400 5893880 320 18:50:04 8974688 13130992 2823288 17.24 175992 4064856 3290380 18.89 830472 6146336 104496 Average: 9174420 13082188 2873786 17.55 167222 3841802 3245102 18.63 765436 6020108 52408 18:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:01 lo 32.75 32.75 7.73 7.73 0.00 0.00 0.00 0.00 18:40:01 ens3 15.13 12.92 15.28 4.55 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:04 lo 1486.58 1486.58 1393.79 1393.79 0.00 0.00 0.00 0.00 18:50:04 ens3 47.51 35.88 275.92 8.78 0.00 0.00 0.00 0.00 18:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 763.04 763.04 703.98 703.98 0.00 0.00 0.00 0.00 Average: ens3 31.39 24.45 146.21 6.67 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-1248) 08/01/26 _x86_64_ (4 CPU) 18:23:14 LINUX RESTART (4 CPU) 18:30:03 CPU %user %nice %system %iowait %steal %idle 18:40:01 all 27.88 0.00 1.14 0.35 0.08 70.55 18:40:01 0 27.35 0.00 1.01 0.28 0.08 71.27 18:40:01 1 27.80 0.00 1.04 0.68 0.09 70.39 18:40:01 2 27.61 0.00 1.19 0.30 0.08 70.82 18:40:01 3 28.75 0.00 1.32 0.13 0.08 69.71 18:50:04 all 34.54 0.00 1.78 0.07 0.09 63.52 18:50:04 0 34.07 0.00 1.55 0.05 0.08 64.24 18:50:04 1 34.16 0.00 1.89 0.04 0.09 63.82 18:50:04 2 36.27 0.00 1.86 0.12 0.08 61.66 18:50:04 3 33.67 0.00 1.81 0.07 0.09 64.37 Average: all 31.23 0.00 1.46 0.21 0.08 67.02 Average: 0 30.73 0.00 1.29 0.16 0.08 67.74 Average: 1 30.99 0.00 1.47 0.36 0.09 67.09 Average: 2 31.96 0.00 1.52 0.21 0.08 66.22 Average: 3 31.22 0.00 1.57 0.10 0.09 67.03