---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7433 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 639 10385 4 4963 15007 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:d5:36:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84846sec preferred_lft 84846sec inet6 fe80::f816:3eff:fed5:362f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:38:84:90:84:d5 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7433) 02/03/26 _x86_64_ (4 CPU) 14:39:17 LINUX RESTART (4 CPU) 14:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:08 40.57 3.71 21.74 15.12 792.98 4770.26 250678.53 15:00:04 29.79 0.96 25.60 3.22 30.37 3524.34 4344.00 Average: 35.20 2.34 23.66 9.20 413.29 4149.94 128033.29 14:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:08 10570104 13978932 1981312 12.10 127204 3418064 2516680 14.45 742416 4696548 28828 15:00:04 10730736 15443896 507604 3.10 167752 4584052 1032972 5.93 1100616 4042496 388840 Average: 10650420 14711414 1244458 7.60 147478 4001058 1774826 10.19 921516 4369522 208834 14:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:08 lo 1.26 1.26 0.14 0.14 0.00 0.00 0.00 0.00 14:50:08 ens3 98.78 76.07 857.43 15.15 0.00 0.00 0.00 0.00 14:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:04 lo 1562.12 1562.12 1488.27 1488.27 0.00 0.00 0.00 0.00 15:00:04 ens3 68.94 56.44 464.00 13.53 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 778.38 778.38 741.05 741.05 0.00 0.00 0.00 0.00 Average: ens3 83.92 66.30 661.55 14.34 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7433) 02/03/26 _x86_64_ (4 CPU) 14:39:17 LINUX RESTART (4 CPU) 14:40:07 CPU %user %nice %system %iowait %steal %idle 14:50:08 all 54.98 0.00 1.91 0.30 0.08 42.72 14:50:08 0 52.46 0.00 1.81 0.16 0.08 45.49 14:50:08 1 54.88 0.00 1.82 0.17 0.08 43.05 14:50:08 2 55.78 0.00 2.12 0.66 0.08 41.36 14:50:08 3 56.80 0.00 1.89 0.23 0.08 41.00 15:00:04 all 70.59 0.00 2.67 0.12 0.10 26.52 15:00:04 0 70.04 0.00 2.91 0.14 0.10 26.81 15:00:04 1 69.95 0.00 2.73 0.14 0.10 27.07 15:00:04 2 71.76 0.00 2.62 0.09 0.10 25.43 15:00:04 3 70.62 0.00 2.42 0.09 0.09 26.78 Average: all 62.76 0.00 2.29 0.21 0.09 34.66 Average: 0 61.22 0.00 2.36 0.15 0.09 36.19 Average: 1 62.38 0.00 2.27 0.16 0.09 35.10 Average: 2 63.73 0.00 2.37 0.38 0.09 33.43 Average: 3 63.69 0.00 2.15 0.16 0.09 33.91