---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28825 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 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 694 9300 4 5994 14952 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:7f:bd:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84666sec preferred_lft 84666sec inet6 fe80::f816:3eff:fe7f:bdcc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:36:af:62:e4:ab 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-28825) 06/20/26 _x86_64_ (4 CPU) 07:08:28 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:08 30.87 3.38 24.33 3.16 176.53 4952.73 39141.10 07:30:08 16.79 0.15 14.44 2.19 5.13 1606.31 24426.12 Average: 23.87 1.78 19.42 2.68 91.34 3289.40 31827.07 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:08 9489984 12973436 2986056 18.24 122016 3487288 3286304 18.86 654484 5842876 35456 07:30:08 9368012 13216008 2740196 16.74 143892 3800076 2962392 17.00 777692 5793420 17652 Average: 9428998 13094722 2863126 17.49 132954 3643682 3124348 17.93 716088 5818148 26554 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:08 lo 18.28 18.28 3.91 3.91 0.00 0.00 0.00 0.00 07:20:08 ens3 73.45 54.49 722.72 10.11 0.00 0.00 0.00 0.00 07:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:08 lo 911.24 911.24 836.24 836.24 0.00 0.00 0.00 0.00 07:30:08 ens3 30.90 21.74 245.87 4.72 0.00 0.00 0.00 0.00 07:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 462.12 462.12 417.62 417.62 0.00 0.00 0.00 0.00 Average: ens3 52.30 38.21 485.70 7.43 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-28825) 06/20/26 _x86_64_ (4 CPU) 07:08:28 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:08 all 36.74 0.00 1.44 0.18 0.09 61.55 07:20:08 0 34.21 0.00 1.41 0.10 0.09 64.20 07:20:08 1 36.28 0.00 1.48 0.33 0.09 61.82 07:20:08 2 38.54 0.00 1.59 0.13 0.09 59.65 07:20:08 3 37.94 0.00 1.29 0.16 0.08 60.52 07:30:08 all 22.86 0.00 1.29 0.06 0.09 75.69 07:30:08 0 22.62 0.00 1.03 0.10 0.09 76.16 07:30:08 1 23.43 0.00 1.39 0.06 0.09 75.03 07:30:08 2 22.78 0.00 1.58 0.04 0.09 75.52 07:30:08 3 22.62 0.00 1.17 0.05 0.09 76.08 Average: all 29.84 0.00 1.37 0.12 0.09 68.58 Average: 0 28.45 0.00 1.22 0.10 0.09 70.15 Average: 1 29.89 0.00 1.43 0.20 0.09 68.39 Average: 2 30.70 0.00 1.58 0.08 0.09 67.55 Average: 3 30.33 0.00 1.23 0.10 0.08 68.25