---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15473 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 9.1G 69G 12% / 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 604 12076 4 3308 15042 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:3f:88:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84925sec preferred_lft 84925sec inet6 fe80::f816:3eff:fe3f:8884/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:a5:64:a6:ee:40 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-15473) 03/23/26 _x86_64_ (4 CPU) 19:06:05 LINUX RESTART (4 CPU) 19:10:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:07 7.86 1.79 5.87 0.19 122.67 1781.00 31.77 19:30:01 3.74 0.07 3.21 0.45 7.25 359.22 501.87 Average: 5.75 0.91 4.51 0.33 63.55 1052.72 272.57 19:10:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:07 10851432 13784516 2179892 13.31 111356 2990396 2394900 13.75 485904 4708748 10752 19:30:01 12322480 15356300 607468 3.71 116400 3078012 1116648 6.41 514732 3180360 37984 Average: 11586956 14570408 1393680 8.51 113878 3034204 1755774 10.08 500318 3944554 24368 19:10:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:07 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 19:20:07 ens3 56.73 42.98 441.61 5.54 0.00 0.00 0.00 0.00 19:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 19:30:01 ens3 6.56 5.32 21.29 1.65 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.43 0.43 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 31.03 23.69 226.31 3.55 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-15473) 03/23/26 _x86_64_ (4 CPU) 19:06:05 LINUX RESTART (4 CPU) 19:10:42 CPU %user %nice %system %iowait %steal %idle 19:20:07 all 44.99 0.00 0.83 0.05 0.07 54.06 19:20:07 0 41.90 0.00 0.83 0.09 0.07 57.10 19:20:07 1 45.40 0.00 0.67 0.03 0.07 53.83 19:20:07 2 48.10 0.00 0.87 0.01 0.07 50.95 19:20:07 3 44.54 0.00 0.95 0.05 0.07 54.38 19:30:01 all 42.68 0.00 0.44 0.02 0.07 56.78 19:30:01 0 38.61 0.00 0.47 0.02 0.08 60.82 19:30:01 1 36.26 0.00 0.38 0.03 0.07 63.27 19:30:01 2 52.73 0.00 0.56 0.00 0.07 46.63 19:30:01 3 43.13 0.00 0.36 0.04 0.06 56.41 Average: all 43.81 0.00 0.63 0.03 0.07 55.46 Average: 0 40.21 0.00 0.65 0.06 0.07 59.01 Average: 1 40.72 0.00 0.52 0.03 0.07 58.67 Average: 2 50.47 0.00 0.71 0.01 0.07 48.74 Average: 3 43.82 0.00 0.65 0.05 0.07 55.42