---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8261 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: 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 9.7G 68G 13% / 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 639 11120 4 4229 15007 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:1b:73:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85067sec preferred_lft 85067sec inet6 fe80::f816:3eff:fe1b:73d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:3e:76:34:74:0c 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-8261) 02/06/26 _x86_64_ (4 CPU) 15:48:56 LINUX RESTART (4 CPU) 15:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:22 18.97 3.14 14.72 1.11 560.15 3398.55 2045.83 16:10:01 10.88 0.56 9.21 1.11 18.55 2468.74 2679.83 Average: 15.00 1.87 12.01 1.11 294.04 2941.70 2357.33 15:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:22 11083264 14201784 1759872 10.75 118020 3157844 2359680 13.54 620536 4327656 56680 16:10:01 9164028 13002320 2952404 18.03 152784 3770704 3353456 19.25 811320 5968876 70328 Average: 10123646 13602052 2356138 14.39 135402 3464274 2856568 16.40 715928 5148266 63504 15:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:22 lo 0.73 0.73 0.08 0.08 0.00 0.00 0.00 0.00 16:00:22 ens3 77.25 61.26 834.66 11.39 0.00 0.00 0.00 0.00 16:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 16:10:01 ens3 73.82 57.98 150.99 23.40 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 75.56 59.64 498.75 17.29 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-8261) 02/06/26 _x86_64_ (4 CPU) 15:48:56 LINUX RESTART (4 CPU) 15:50:22 CPU %user %nice %system %iowait %steal %idle 16:00:22 all 28.38 0.00 1.03 0.16 0.06 70.37 16:00:22 0 26.72 0.00 0.81 0.21 0.05 72.20 16:00:22 1 27.91 0.00 0.87 0.14 0.06 71.02 16:00:22 2 31.11 0.00 1.40 0.13 0.06 67.31 16:00:22 3 27.78 0.00 1.06 0.15 0.06 70.95 16:10:01 all 72.21 0.00 2.29 0.08 0.11 25.31 16:10:01 0 69.90 0.00 2.23 0.08 0.11 27.68 16:10:01 1 73.14 0.00 1.97 0.06 0.11 24.72 16:10:01 2 74.80 0.00 2.65 0.10 0.11 22.34 16:10:01 3 71.02 0.00 2.30 0.06 0.11 26.50 Average: all 49.88 0.00 1.65 0.12 0.08 48.27 Average: 0 47.91 0.00 1.51 0.15 0.08 50.34 Average: 1 50.10 0.00 1.41 0.10 0.09 48.30 Average: 2 52.48 0.00 2.01 0.11 0.08 45.31 Average: 3 49.00 0.00 1.67 0.11 0.08 49.14