---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6438 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 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 677 10391 4 4921 14969 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:67:e9:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84528sec preferred_lft 84528sec inet6 fe80::f816:3eff:fe67:e960/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:20:80:c4:a8:27 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6438) 03/20/26 _x86_64_ (4 CPU) 14:52:56 LINUX RESTART (4 CPU) 15:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:06 11.43 0.43 9.98 1.01 15.91 2631.23 748.65 15:20:01 28.17 0.79 22.91 4.46 27.14 3993.90 12582.44 Average: 19.92 0.61 16.54 2.76 21.60 3322.17 6748.93 15:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:06 10024052 13690624 2266388 13.84 149468 3613668 2517620 14.45 705244 5228008 21876 15:20:01 10691432 15370516 579996 3.54 177240 4530824 1110136 6.37 974252 4201624 280 Average: 10357742 14530570 1423192 8.69 163354 4072246 1813878 10.41 839748 4714816 11078 15:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:06 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:10:06 ens3 62.98 51.34 136.56 16.35 0.00 0.00 0.00 0.00 15:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 1671.16 1671.16 1588.19 1588.19 0.00 0.00 0.00 0.00 15:20:01 ens3 86.19 73.50 409.28 90.79 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 848.04 848.04 805.35 805.35 0.00 0.00 0.00 0.00 Average: ens3 74.75 62.57 274.84 54.10 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-6438) 03/20/26 _x86_64_ (4 CPU) 14:52:56 LINUX RESTART (4 CPU) 15:00:27 CPU %user %nice %system %iowait %steal %idle 15:10:06 all 73.17 0.00 2.27 0.02 0.13 24.41 15:10:06 0 73.59 0.00 2.16 0.03 0.12 24.10 15:10:06 1 73.87 0.00 2.46 0.01 0.13 23.53 15:10:06 2 71.53 0.00 2.07 0.03 0.12 26.25 15:10:06 3 73.70 0.00 2.41 0.02 0.13 23.75 15:20:01 all 56.34 0.00 2.48 0.12 0.12 40.94 15:20:01 0 58.94 0.00 2.40 0.05 0.12 38.49 15:20:01 1 56.07 0.00 2.30 0.08 0.11 41.43 15:20:01 2 54.06 0.00 2.49 0.12 0.12 43.21 15:20:01 3 56.31 0.00 2.72 0.24 0.11 40.61 Average: all 64.64 0.00 2.38 0.07 0.12 32.78 Average: 0 66.16 0.00 2.28 0.04 0.12 31.39 Average: 1 64.85 0.00 2.38 0.05 0.12 32.60 Average: 2 62.67 0.00 2.29 0.08 0.12 34.84 Average: 3 64.88 0.00 2.57 0.13 0.12 32.30