---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6121 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 619 10437 4 4932 15027 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:14:3b:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84752sec preferred_lft 84752sec inet6 fe80::f816:3eff:fe14:3b26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:aa:d1:2f:05:23 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-6121) 03/19/26 _x86_64_ (4 CPU) 20:07:41 LINUX RESTART (4 CPU) 20:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:10 25.27 2.16 9.33 13.78 134.50 2442.95 240931.81 20:30:10 3.45 0.19 3.12 0.13 5.69 442.51 262.92 Average: 14.34 1.17 6.22 6.94 69.96 1440.52 120331.04 20:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:10 9386076 12445208 3516984 21.48 115532 3107988 3692408 21.19 528492 6113904 1140 20:30:10 10469476 13676360 2284788 13.95 120620 3238980 2430840 13.95 563288 4991440 25064 Average: 9927776 13060784 2900886 17.72 118076 3173484 3061624 17.57 545890 5552672 13102 20:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:10 lo 0.56 0.56 0.25 0.25 0.00 0.00 0.00 0.00 20:20:10 ens3 56.99 43.14 655.38 6.16 0.00 0.00 0.00 0.00 20:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:10 lo 0.59 0.59 0.17 0.17 0.00 0.00 0.00 0.00 20:30:10 ens3 6.90 6.06 42.67 1.36 0.00 0.00 0.00 0.00 20:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.58 0.58 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 31.89 24.56 348.35 3.76 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-6121) 03/19/26 _x86_64_ (4 CPU) 20:07:41 LINUX RESTART (4 CPU) 20:10:12 CPU %user %nice %system %iowait %steal %idle 20:20:10 all 52.79 0.00 1.12 0.10 0.11 45.89 20:20:10 0 49.65 0.00 1.08 0.12 0.11 49.05 20:20:10 1 54.70 0.00 1.22 0.09 0.11 43.88 20:20:10 2 46.31 0.00 1.24 0.07 0.11 52.27 20:20:10 3 60.49 0.00 0.94 0.10 0.11 38.36 20:30:10 all 48.98 0.00 0.57 0.03 0.10 50.32 20:30:10 0 36.59 0.00 0.56 0.06 0.10 62.69 20:30:10 1 51.96 0.00 0.56 0.02 0.10 47.36 20:30:10 2 70.46 0.00 0.65 0.01 0.12 28.76 20:30:10 3 36.94 0.00 0.49 0.03 0.09 62.46 Average: all 50.88 0.00 0.84 0.06 0.10 48.11 Average: 0 43.10 0.00 0.82 0.09 0.10 55.89 Average: 1 53.32 0.00 0.89 0.06 0.10 45.62 Average: 2 58.42 0.00 0.94 0.04 0.11 40.48 Average: 3 48.66 0.00 0.71 0.06 0.10 50.46