---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16736 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: 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 13G 65G 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 647 8399 4 6942 14998 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:64:1d:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83661sec preferred_lft 83661sec inet6 fe80::f816:3eff:fe64:1d98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:4a:93:9e:4b:de 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-16736) 05/19/26 _x86_64_ (4 CPU) 07:49:33 LINUX RESTART (4 CPU) 07:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:01 35.86 8.10 27.14 0.63 1272.36 2968.25 1810.83 08:10:15 30.96 2.89 25.09 2.98 157.30 4034.17 8564.67 08:20:22 32.36 0.02 29.10 3.24 0.24 2549.04 19456.02 08:30:01 12.93 0.04 12.06 0.83 0.80 7539.94 5251.00 Average: 28.19 2.78 23.47 1.94 358.16 4238.56 8833.50 07:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:01 13143696 15538660 443672 2.71 91776 2498688 979952 5.62 313740 2613540 696 08:10:15 9783648 13298860 2660008 16.25 137128 3503492 2920012 16.76 683856 5516348 31472 08:20:22 8629188 12553828 3401168 20.77 158772 3859616 3266120 18.75 797576 6497620 7176 08:30:01 6372948 12520024 3428268 20.94 181648 5982628 3293336 18.90 1527172 7959344 192168 Average: 9482370 13477843 2483279 15.17 142331 3961106 2614855 15.01 830586 5646713 57878 07:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 08:00:01 ens3 60.22 40.16 357.77 9.31 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:15 lo 1464.68 1464.68 1389.78 1389.78 0.00 0.00 0.00 0.00 08:10:15 ens3 119.34 90.17 942.27 20.53 0.00 0.00 0.00 0.00 08:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:22 lo 1449.24 1449.24 1381.00 1381.00 0.00 0.00 0.00 0.00 08:20:22 ens3 34.96 28.92 24.75 10.94 0.00 0.00 0.00 0.00 08:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 2831.81 2831.81 9823.77 9823.77 0.00 0.00 0.00 0.00 08:30:01 ens3 35.02 27.35 105.41 8.38 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1425.16 1425.16 3076.10 3076.10 0.00 0.00 0.00 0.00 Average: ens3 62.89 47.04 362.34 12.37 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-16736) 05/19/26 _x86_64_ (4 CPU) 07:49:33 LINUX RESTART (4 CPU) 07:50:02 CPU %user %nice %system %iowait %steal %idle 08:00:01 all 2.89 0.00 0.40 0.34 0.03 96.33 08:00:01 0 2.42 0.00 0.40 0.22 0.03 96.93 08:00:01 1 2.50 0.00 0.37 0.63 0.02 96.49 08:00:01 2 3.33 0.00 0.37 0.09 0.03 96.19 08:00:01 3 3.33 0.00 0.48 0.44 0.03 95.72 08:10:15 all 66.73 0.00 2.54 0.11 0.12 30.50 08:10:15 0 67.48 0.00 2.36 0.08 0.12 29.96 08:10:15 1 64.55 0.00 2.74 0.09 0.12 32.49 08:10:15 2 68.49 0.00 2.53 0.17 0.12 28.69 08:10:15 3 66.39 0.00 2.53 0.09 0.12 30.86 08:20:22 all 64.48 0.00 2.59 0.12 0.12 32.69 08:20:22 0 62.45 0.00 2.85 0.16 0.12 34.42 08:20:22 1 63.76 0.00 2.59 0.12 0.12 33.40 08:20:22 2 64.67 0.00 2.21 0.14 0.11 32.86 08:20:22 3 67.05 0.00 2.69 0.04 0.12 30.09 08:30:01 all 41.90 0.00 1.79 0.29 0.10 55.92 08:30:01 0 38.45 0.00 2.27 0.32 0.10 58.87 08:30:01 1 46.44 0.00 1.32 0.38 0.10 51.76 08:30:01 2 41.33 0.00 1.84 0.30 0.10 56.42 08:30:01 3 41.39 0.00 1.74 0.16 0.10 56.62 Average: all 44.19 0.00 1.84 0.21 0.09 53.66 Average: 0 42.93 0.00 1.97 0.19 0.09 54.82 Average: 1 44.46 0.00 1.77 0.30 0.09 53.38 Average: 2 44.67 0.00 1.74 0.17 0.09 53.32 Average: 3 44.71 0.00 1.87 0.18 0.09 53.15