---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491708 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 12G 66G 16% / 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 679 8839 4 6470 14967 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:f2:28:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84613sec preferred_lft 84613sec inet6 fe80::f816:3eff:fef2:28f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:f3:2d:09:f9:c6 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-491708) 03/16/26 _x86_64_ (4 CPU) 11:06:28 LINUX RESTART (4 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 22.17 0.11 19.39 2.67 8.34 2249.26 9103.80 11:30:01 31.87 0.04 28.74 3.10 0.57 4403.66 34864.63 Average: 27.02 0.07 24.07 2.89 4.45 3326.98 21990.44 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 9008852 12558348 3399768 20.76 137624 3531560 3493060 20.05 689644 6277720 17500 11:30:01 8045492 12610776 3342556 20.41 162888 4475752 3354120 19.25 976508 6908760 7308 Average: 8527172 12584562 3371162 20.59 150256 4003656 3423590 19.65 833076 6593240 12404 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 1320.75 1320.75 1252.40 1252.40 0.00 0.00 0.00 0.00 11:20:01 ens3 36.61 29.93 48.93 9.16 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 1286.94 1286.94 1221.99 1221.99 0.00 0.00 0.00 0.00 11:30:01 ens3 26.47 22.91 44.49 7.22 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1303.84 1303.84 1237.19 1237.19 0.00 0.00 0.00 0.00 Average: ens3 31.54 26.42 46.71 8.19 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-491708) 03/16/26 _x86_64_ (4 CPU) 11:06:28 LINUX RESTART (4 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 68.78 0.00 2.44 0.06 0.10 28.63 11:20:01 0 66.91 0.00 2.23 0.05 0.10 30.71 11:20:01 1 68.94 0.00 2.58 0.05 0.10 28.34 11:20:01 2 67.91 0.00 2.47 0.09 0.10 29.43 11:20:01 3 71.36 0.00 2.46 0.04 0.10 26.04 11:30:01 all 61.41 0.00 2.50 0.15 0.11 35.84 11:30:01 0 61.12 0.00 2.55 0.10 0.11 36.12 11:30:01 1 61.65 0.00 2.53 0.16 0.11 35.56 11:30:01 2 62.84 0.00 2.56 0.11 0.11 34.38 11:30:01 3 60.05 0.00 2.34 0.22 0.11 37.28 Average: all 65.10 0.00 2.47 0.10 0.10 32.23 Average: 0 64.01 0.00 2.39 0.07 0.10 33.42 Average: 1 65.29 0.00 2.55 0.10 0.10 31.95 Average: 2 65.37 0.00 2.52 0.10 0.10 31.90 Average: 3 65.71 0.00 2.40 0.13 0.10 31.66