---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32171 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 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 630 10291 4 5067 15016 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:21:07:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84763sec preferred_lft 84763sec inet6 fe80::f816:3eff:fe21:7cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:f5:89:88:9b:4e 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-32171) 07/01/26 _x86_64_ (4 CPU) 20:07:32 LINUX RESTART (4 CPU) 20:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:03 11.08 2.31 8.43 0.35 338.31 2447.96 320.89 20:30:00 3.45 0.19 3.11 0.15 5.72 463.06 609.51 Average: 7.28 1.25 5.77 0.25 172.43 1458.00 464.84 20:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:03 9413980 12610280 3352240 20.47 115616 3236728 3566916 20.47 559232 6054204 764 20:30:00 10374664 13733252 2228348 13.61 123652 3376308 2434148 13.97 598648 5029116 34144 Average: 9894322 13171766 2790294 17.04 119634 3306518 3000532 17.22 578940 5541660 17454 20:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:03 lo 0.49 0.49 0.14 0.14 0.00 0.00 0.00 0.00 20:20:03 ens3 80.93 61.55 726.65 7.81 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:00 lo 0.65 0.65 0.28 0.28 0.00 0.00 0.00 0.00 20:30:00 ens3 9.63 8.31 46.41 1.85 0.00 0.00 0.00 0.00 20:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.57 0.57 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 45.37 35.00 387.39 4.83 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-32171) 07/01/26 _x86_64_ (4 CPU) 20:07:32 LINUX RESTART (4 CPU) 20:10:03 CPU %user %nice %system %iowait %steal %idle 20:20:03 all 53.69 0.00 1.01 0.09 0.07 45.15 20:20:03 0 54.60 0.00 0.87 0.04 0.07 44.42 20:20:03 1 53.66 0.00 1.20 0.13 0.07 44.93 20:20:03 2 54.38 0.00 1.00 0.09 0.08 44.45 20:20:03 3 52.10 0.00 0.95 0.09 0.07 46.78 20:30:00 all 47.69 0.00 0.57 0.02 0.07 51.66 20:30:00 0 56.55 0.00 0.53 0.01 0.07 42.83 20:30:00 1 54.34 0.00 0.73 0.03 0.07 44.84 20:30:00 2 47.10 0.00 0.56 0.03 0.07 52.23 20:30:00 3 32.77 0.00 0.46 0.01 0.06 66.71 Average: all 50.69 0.00 0.79 0.05 0.07 48.40 Average: 0 55.58 0.00 0.70 0.03 0.07 43.63 Average: 1 54.00 0.00 0.97 0.08 0.07 44.89 Average: 2 50.75 0.00 0.78 0.06 0.07 48.33 Average: 3 42.44 0.00 0.71 0.05 0.07 56.73