---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11321 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 10G 68G 13% / 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 671 10730 4 4587 14975 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:e9:73:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84904sec preferred_lft 84904sec inet6 fe80::f816:3eff:fee9:7310/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:69:80:fe:fb:27 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-11321) 02/16/26 _x86_64_ (4 CPU) 21:55:27 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 52.86 3.10 41.71 8.05 750.29 5281.43 22062.01 22:20:01 30.50 0.20 25.45 4.85 12.85 3289.32 5316.11 Average: 41.68 1.65 33.58 6.45 381.57 4285.37 13689.06 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 10214408 13853140 2103744 12.85 161656 3591904 2344648 13.46 774596 4987204 24996 22:20:01 11025640 15363412 587976 3.59 201216 4197052 1098272 6.30 980188 3902936 11552 Average: 10620024 14608276 1345860 8.22 181436 3894478 1721460 9.88 877392 4445070 18274 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 lo 4137.51 4137.51 3942.73 3942.73 0.00 0.00 0.00 0.00 22:10:01 ens3 170.32 125.25 1032.27 30.64 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 2109.86 2109.86 1993.14 1993.14 0.00 0.00 0.00 0.00 22:20:01 ens3 138.94 130.43 132.15 184.91 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3123.68 3123.68 2967.94 2967.94 0.00 0.00 0.00 0.00 Average: ens3 154.63 127.84 582.21 107.77 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-11321) 02/16/26 _x86_64_ (4 CPU) 21:55:27 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 63.06 0.00 3.72 0.36 0.09 32.77 22:10:01 0 62.65 0.00 3.46 0.50 0.09 33.30 22:10:01 1 63.29 0.00 3.61 0.29 0.09 32.72 22:10:01 2 62.86 0.00 3.63 0.29 0.09 33.12 22:10:01 3 63.45 0.00 4.20 0.35 0.09 31.92 22:20:01 all 41.99 0.00 2.26 0.18 0.08 55.50 22:20:01 0 37.22 0.00 2.04 0.34 0.08 60.32 22:20:01 1 49.50 0.00 2.43 0.12 0.08 47.87 22:20:01 2 43.15 0.00 2.39 0.18 0.08 54.21 22:20:01 3 38.10 0.00 2.17 0.09 0.08 59.57 Average: all 52.51 0.00 2.99 0.27 0.08 44.15 Average: 0 49.91 0.00 2.75 0.42 0.08 46.84 Average: 1 56.39 0.00 3.02 0.21 0.08 40.30 Average: 2 53.00 0.00 3.01 0.24 0.08 43.68 Average: 3 50.76 0.00 3.18 0.22 0.08 45.75