---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28445 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 9.5G 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 617 11493 4 3878 15028 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:73:72:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84792sec preferred_lft 84792sec inet6 fe80::f816:3eff:fe73:7212/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:b2:ae:4a:23:a8 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28445) 06/18/26 _x86_64_ (4 CPU) 20:07:51 LINUX RESTART (4 CPU) 20:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:10 11.81 2.14 9.18 0.50 133.19 2742.30 359.43 20:30:10 2.90 0.02 2.81 0.07 0.92 248.16 9.52 Average: 7.36 1.08 5.99 0.28 67.05 1495.22 184.47 20:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:10 9645544 12802844 3159184 19.30 117020 3196812 3406700 19.55 525612 5856688 228 20:30:10 9811972 13036404 2925104 17.87 119924 3254828 3263040 18.73 546688 5666480 3088 Average: 9728758 12919624 3042144 18.58 118472 3225820 3334870 19.14 536150 5761584 1658 20:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:10 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 20:20:10 ens3 65.34 50.47 746.50 6.71 0.00 0.00 0.00 0.00 20:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:10 lo 0.49 0.49 0.36 0.36 0.00 0.00 0.00 0.00 20:30:10 ens3 3.24 2.35 0.73 0.67 0.00 0.00 0.00 0.00 20:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.43 0.43 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 34.29 26.41 373.61 3.69 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28445) 06/18/26 _x86_64_ (4 CPU) 20:07:51 LINUX RESTART (4 CPU) 20:10:10 CPU %user %nice %system %iowait %steal %idle 20:20:10 all 54.34 0.00 1.14 0.10 0.12 44.30 20:20:10 0 60.12 0.00 1.32 0.10 0.12 38.34 20:20:10 1 59.91 0.00 1.02 0.10 0.12 38.85 20:20:10 2 51.47 0.00 1.30 0.07 0.11 47.05 20:20:10 3 45.87 0.00 0.90 0.14 0.11 52.99 20:30:10 all 40.58 0.00 0.44 0.06 0.12 58.80 20:30:10 0 27.19 0.00 0.44 0.01 0.12 72.25 20:30:10 1 51.99 0.00 0.42 0.02 0.10 47.47 20:30:10 2 62.37 0.00 0.51 0.16 0.19 36.77 20:30:10 3 20.81 0.00 0.40 0.05 0.09 78.65 Average: all 47.45 0.00 0.79 0.08 0.12 51.56 Average: 0 43.64 0.00 0.88 0.05 0.12 55.30 Average: 1 55.95 0.00 0.72 0.06 0.11 43.16 Average: 2 56.93 0.00 0.90 0.12 0.15 41.90 Average: 3 33.31 0.00 0.65 0.09 0.10 65.85