---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30399 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 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 665 10505 4 4818 14981 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:ed:cc:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84451sec preferred_lft 84451sec inet6 fe80::f816:3eff:feed:cc1d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:ee:fc:4f:79:36 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-30399) 06/25/26 _x86_64_ (4 CPU) 07:10:00 LINUX RESTART (4 CPU) 07:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:02 11.06 0.44 9.55 1.07 16.65 2170.36 2372.61 07:40:01 29.04 0.79 23.98 4.28 26.99 4169.28 12251.13 Average: 20.04 0.61 16.75 2.67 21.81 3168.07 7303.22 07:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:02 10078576 13609472 2348328 14.34 144764 3486592 2774888 15.93 618508 5267988 48576 07:40:01 10798964 15371576 578932 3.54 173400 4430372 1108252 6.36 897220 4168100 140 Average: 10438770 14490524 1463630 8.94 159082 3958482 1941570 11.14 757864 4718044 24358 07:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:02 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 07:30:02 ens3 60.34 48.50 95.74 15.67 0.00 0.00 0.00 0.00 07:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 1807.89 1807.89 1716.29 1716.29 0.00 0.00 0.00 0.00 07:40:01 ens3 104.94 88.63 413.05 98.80 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 903.05 903.05 856.71 856.71 0.00 0.00 0.00 0.00 Average: ens3 82.60 68.53 254.12 57.16 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-30399) 06/25/26 _x86_64_ (4 CPU) 07:10:00 LINUX RESTART (4 CPU) 07:20:02 CPU %user %nice %system %iowait %steal %idle 07:30:02 all 68.31 0.00 2.09 0.24 0.11 29.24 07:30:02 0 68.86 0.00 1.92 0.25 0.12 28.85 07:30:02 1 67.55 0.00 2.29 0.34 0.11 29.71 07:30:02 2 68.78 0.00 1.89 0.25 0.10 28.97 07:30:02 3 68.04 0.00 2.27 0.13 0.12 29.44 07:40:01 all 56.96 0.00 2.45 0.16 0.10 40.33 07:40:01 0 55.53 0.00 2.41 0.11 0.10 41.84 07:40:01 1 57.09 0.00 2.73 0.19 0.10 39.88 07:40:01 2 57.25 0.00 2.23 0.25 0.10 40.18 07:40:01 3 57.98 0.00 2.42 0.08 0.10 39.43 Average: all 62.65 0.00 2.27 0.20 0.11 34.78 Average: 0 62.21 0.00 2.17 0.18 0.11 35.33 Average: 1 62.33 0.00 2.51 0.27 0.11 34.79 Average: 2 63.03 0.00 2.06 0.25 0.10 34.56 Average: 3 63.02 0.00 2.34 0.11 0.11 34.43