---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-1034 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: 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 14G 64G 18% / 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 594 8522 4 6871 15051 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:01:43:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.119/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84971sec preferred_lft 84971sec inet6 fe80::f816:3eff:fe01:432c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:0e:04:ce:54:0f 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-v1-8c-8g-1034) 05/18/26 _x86_64_ (4 CPU) 18:37:35 LINUX RESTART (4 CPU) 18:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:05 9.09 1.39 7.55 0.15 97.23 3554.45 1078.20 19:00:01 247.46 0.81 236.63 10.02 18.65 15346.88 140356.27 Average: 128.08 1.10 121.91 5.08 58.00 9441.28 70606.45 18:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:05 10227736 13719680 2239336 13.68 172992 3420440 2585392 14.84 596716 5142032 149924 19:00:01 8681676 15363480 570524 3.48 300924 6248496 1098756 6.31 1526136 5455440 392 Average: 9454706 14541580 1404930 8.58 236958 4834468 1842074 10.57 1061426 5298736 75158 18:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:05 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 18:50:05 ens3 129.08 112.40 708.08 26.74 0.00 0.00 0.00 0.00 18:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 lo 13.38 13.38 1.26 1.26 0.00 0.00 0.00 0.00 19:00:01 ens3 113.21 108.50 300.97 499.42 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.88 6.88 0.65 0.65 0.00 0.00 0.00 0.00 Average: ens3 121.16 110.45 504.85 262.70 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-v1-8c-8g-1034) 05/18/26 _x86_64_ (4 CPU) 18:37:35 LINUX RESTART (4 CPU) 18:40:07 CPU %user %nice %system %iowait %steal %idle 18:50:05 all 22.30 0.00 1.32 0.07 0.06 76.25 18:50:05 0 22.35 0.00 1.13 0.01 0.06 76.45 18:50:05 1 20.66 0.00 0.89 0.03 0.06 78.36 18:50:05 2 22.09 0.00 1.39 0.10 0.06 76.36 18:50:05 3 24.08 0.00 1.88 0.13 0.07 73.84 19:00:01 all 36.11 0.00 3.20 0.73 0.10 59.86 19:00:01 0 40.39 0.00 3.82 0.92 0.10 54.77 19:00:01 1 35.27 0.00 3.06 0.59 0.10 60.99 19:00:01 2 37.02 0.00 3.11 0.71 0.10 59.05 19:00:01 3 31.76 0.00 2.80 0.71 0.10 64.64 Average: all 29.18 0.00 2.26 0.40 0.08 68.09 Average: 0 31.34 0.00 2.47 0.46 0.08 65.65 Average: 1 27.94 0.00 1.97 0.31 0.08 69.70 Average: 2 29.53 0.00 2.25 0.40 0.08 67.74 Average: 3 27.91 0.00 2.34 0.42 0.08 69.26