---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19490 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 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 631 9486 4 5871 15015 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:5c:d6:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84559sec preferred_lft 84559sec inet6 fe80::f816:3eff:fe5c:d6e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:4f:a6:07:40:dd 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-19490) 02/21/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 22.56 0.42 18.83 3.31 19.29 2787.25 22230.00 01:30:18 24.00 0.16 20.61 3.23 4.91 1833.12 24963.36 Average: 23.30 0.29 19.75 3.27 11.89 2296.42 23636.10 01:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9775760 13186544 2771828 16.93 131460 3402064 3037688 17.44 681868 5531824 524 01:30:18 8716244 12713824 3240280 19.79 152948 3929844 3331920 19.13 850488 6381456 190256 Average: 9246002 12950184 3006054 18.36 142204 3665954 3184804 18.28 766178 5956640 95390 01:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 32.48 32.48 7.50 7.50 0.00 0.00 0.00 0.00 01:20:01 ens3 27.75 19.32 100.83 5.37 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:18 lo 1429.13 1429.13 1338.22 1338.22 0.00 0.00 0.00 0.00 01:30:18 ens3 49.85 35.87 257.39 8.97 0.00 0.00 0.00 0.00 01:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 750.95 750.95 692.06 692.06 0.00 0.00 0.00 0.00 Average: ens3 39.12 27.83 181.37 7.22 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-19490) 02/21/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:19 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 32.05 0.00 1.13 0.16 0.08 66.57 01:20:01 0 31.38 0.00 1.09 0.15 0.08 67.29 01:20:01 1 30.87 0.00 1.13 0.18 0.08 67.74 01:20:01 2 32.46 0.00 1.07 0.17 0.09 66.22 01:20:01 3 33.50 0.00 1.24 0.13 0.09 65.04 01:30:18 all 33.96 0.00 1.68 0.11 0.08 64.17 01:30:18 0 32.95 0.00 1.59 0.09 0.09 65.29 01:30:18 1 33.66 0.00 1.71 0.13 0.08 64.42 01:30:18 2 35.00 0.00 1.81 0.07 0.08 63.05 01:30:18 3 34.25 0.00 1.60 0.15 0.09 63.92 Average: all 33.03 0.00 1.41 0.13 0.08 65.34 Average: 0 32.18 0.00 1.35 0.12 0.09 66.26 Average: 1 32.31 0.00 1.43 0.15 0.08 66.03 Average: 2 33.76 0.00 1.45 0.12 0.08 64.59 Average: 3 33.89 0.00 1.43 0.14 0.09 64.46