---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38314 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 12G 67G 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 685 9665 4 5638 14961 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:69:e2:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83938sec preferred_lft 83938sec inet6 fe80::f816:3eff:fe69:e224/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:13:23:3b:1e:69 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-38314) 07/24/26 _x86_64_ (4 CPU) 06:27:59 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 27.49 3.07 11.04 13.37 167.38 3123.69 240376.20 06:50:17 23.21 0.49 20.60 2.12 16.64 3343.83 12079.81 07:00:01 35.35 0.04 31.98 3.32 1.59 5771.18 16964.54 Average: 28.57 1.21 21.10 6.26 62.03 4058.11 89807.74 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 10861576 13829352 2134024 13.03 117184 3008592 2642540 15.17 461176 4699968 3972 06:50:17 8793176 12783328 3172068 19.37 160196 3903764 3273388 18.79 744244 6398524 175948 07:00:01 7952140 13106836 2842656 17.36 186124 4980132 2945240 16.91 1007820 6896184 27512 Average: 9202297 13239839 2716249 16.59 154501 3964163 2953723 16.95 737747 5998225 69144 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 06:40:01 ens3 57.36 45.07 582.32 8.22 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:17 lo 906.93 906.93 864.23 864.23 0.00 0.00 0.00 0.00 06:50:17 ens3 65.28 51.27 322.25 14.02 0.00 0.00 0.00 0.00 06:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 1318.48 1318.48 1256.30 1256.30 0.00 0.00 0.00 0.00 07:00:01 ens3 51.28 40.09 217.68 11.45 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 738.14 738.14 703.23 703.23 0.00 0.00 0.00 0.00 Average: ens3 58.10 45.57 375.05 11.25 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-38314) 07/24/26 _x86_64_ (4 CPU) 06:27:59 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 13.73 0.00 0.62 0.27 0.04 85.34 06:40:01 0 13.76 0.00 0.47 0.15 0.04 85.59 06:40:01 1 13.32 0.00 0.60 0.35 0.04 85.69 06:40:01 2 14.21 0.00 0.75 0.41 0.04 84.58 06:40:01 3 13.64 0.00 0.66 0.17 0.04 85.50 06:50:17 all 60.02 0.00 2.20 0.25 0.14 37.39 06:50:17 0 57.60 0.00 1.93 0.09 0.14 40.24 06:50:17 1 61.79 0.00 2.31 0.20 0.14 35.56 06:50:17 2 60.88 0.00 2.24 0.24 0.14 36.49 06:50:17 3 59.81 0.00 2.32 0.49 0.14 37.25 07:00:01 all 56.12 0.00 2.49 0.79 0.14 40.46 07:00:01 0 56.20 0.00 2.50 0.51 0.14 40.64 07:00:01 1 55.89 0.00 2.73 0.87 0.15 40.37 07:00:01 2 57.19 0.00 2.52 0.72 0.14 39.42 07:00:01 3 55.19 0.00 2.22 1.05 0.14 41.39 Average: all 43.28 0.00 1.77 0.43 0.11 54.41 Average: 0 42.51 0.00 1.63 0.25 0.11 55.51 Average: 1 43.66 0.00 1.87 0.47 0.11 53.89 Average: 2 44.08 0.00 1.83 0.46 0.11 53.53 Average: 3 42.89 0.00 1.73 0.57 0.10 54.71