---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1229 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 617 10563 4 4807 15029 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:be:a5:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84712sec preferred_lft 84712sec inet6 fe80::f816:3eff:febe:a564/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:51:50:de:3e:88 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-1229) 04/08/26 _x86_64_ (4 CPU) 09:52:51 LINUX RESTART (4 CPU) 10:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:16 3.61 0.06 3.39 0.16 6.71 549.07 180.89 10:20:00 24.72 0.82 21.68 2.21 31.16 6288.27 15592.79 Average: 14.03 0.44 12.42 1.17 18.77 3380.60 7784.62 10:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:16 9627896 12656792 3306404 20.19 115104 3073968 3535812 20.30 510296 5886092 160 10:20:00 10835020 15400540 556452 3.40 139060 4527224 1104864 6.34 883752 4226768 24 Average: 10231458 14028666 1931428 11.80 127082 3800596 2320338 13.32 697024 5056430 92 10:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:16 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:10:16 ens3 7.86 7.10 36.49 2.26 0.00 0.00 0.00 0.00 10:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 526.43 526.43 499.28 499.28 0.00 0.00 0.00 0.00 10:20:00 ens3 51.95 42.35 499.11 60.69 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 260.02 260.02 246.52 246.52 0.00 0.00 0.00 0.00 Average: ens3 29.61 24.49 264.73 31.09 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-1229) 04/08/26 _x86_64_ (4 CPU) 09:52:51 LINUX RESTART (4 CPU) 10:00:16 CPU %user %nice %system %iowait %steal %idle 10:10:16 all 51.01 0.00 0.64 0.02 0.09 48.24 10:10:16 0 60.28 0.00 0.53 0.01 0.10 39.08 10:10:16 1 44.01 0.00 0.71 0.01 0.09 55.18 10:10:16 2 36.45 0.00 0.62 0.05 0.10 62.79 10:10:16 3 63.34 0.00 0.69 0.01 0.09 35.87 10:20:00 all 56.95 0.00 1.47 0.24 0.11 41.24 10:20:00 0 52.91 0.00 1.48 0.15 0.11 45.35 10:20:00 1 50.33 0.00 1.43 0.29 0.11 47.83 10:20:00 2 50.64 0.00 1.60 0.08 0.10 47.59 10:20:00 3 73.92 0.00 1.35 0.43 0.10 24.19 Average: all 53.94 0.00 1.05 0.13 0.10 44.79 Average: 0 56.65 0.00 1.00 0.08 0.10 42.18 Average: 1 47.13 0.00 1.07 0.15 0.10 51.56 Average: 2 43.44 0.00 1.10 0.06 0.10 55.30 Average: 3 68.56 0.00 1.02 0.22 0.10 30.11