---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15016 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 66G 15% / 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 671 9190 4 6127 14975 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:06:25:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84754sec preferred_lft 84754sec inet6 fe80::f816:3eff:fe06:2514/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:73:b1:4d:cf:72 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15016) 02/19/26 _x86_64_ (4 CPU) 04:18:30 LINUX RESTART (4 CPU) 04:20:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:30:23 36.76 3.53 29.42 3.82 763.30 5458.72 45162.12 04:40:23 22.36 0.16 19.05 3.15 4.85 1803.25 29939.03 Average: 29.59 1.85 24.25 3.49 385.35 3637.15 37576.24 04:20:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:30:23 9308716 13049920 2907236 17.76 131772 3729240 3187188 18.29 859024 5814580 816 04:40:23 9112948 13176064 2777988 16.97 149956 4011040 2935960 16.85 980844 5839456 20540 Average: 9210832 13112992 2842612 17.36 140864 3870140 3061574 17.57 919934 5827018 10678 04:20:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:30:23 lo 24.05 24.05 5.51 5.51 0.00 0.00 0.00 0.00 04:30:23 ens3 75.56 57.31 908.21 10.08 0.00 0.00 0.00 0.00 04:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:23 lo 1298.88 1298.88 1208.56 1208.56 0.00 0.00 0.00 0.00 04:40:23 ens3 32.51 24.72 259.62 4.62 0.00 0.00 0.00 0.00 04:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 659.32 659.32 605.01 605.01 0.00 0.00 0.00 0.00 Average: ens3 54.10 41.07 585.01 7.36 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15016) 02/19/26 _x86_64_ (4 CPU) 04:18:30 LINUX RESTART (4 CPU) 04:20:19 CPU %user %nice %system %iowait %steal %idle 04:30:23 all 39.41 0.00 1.58 0.23 0.10 58.67 04:30:23 0 37.95 0.00 1.55 0.32 0.10 60.09 04:30:23 1 37.72 0.00 1.53 0.22 0.10 60.44 04:30:23 2 40.67 0.00 1.72 0.19 0.10 57.32 04:30:23 3 41.33 0.00 1.53 0.19 0.10 56.85 04:40:23 all 28.61 0.00 1.64 0.09 0.09 69.57 04:40:23 0 28.47 0.00 1.58 0.11 0.09 69.76 04:40:23 1 28.56 0.00 1.66 0.10 0.09 69.59 04:40:23 2 28.56 0.00 1.58 0.03 0.09 69.75 04:40:23 3 28.88 0.00 1.71 0.11 0.09 69.20 Average: all 34.03 0.00 1.61 0.16 0.09 64.11 Average: 0 33.22 0.00 1.57 0.21 0.09 64.91 Average: 1 33.15 0.00 1.60 0.16 0.10 65.00 Average: 2 34.64 0.00 1.65 0.11 0.09 63.51 Average: 3 35.12 0.00 1.62 0.15 0.10 63.00