---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16860 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 755 9530 4 5703 14891 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:34:b8:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84321sec preferred_lft 84321sec inet6 fe80::f816:3eff:fe34:b828/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:e6:b7:ae:6d:9a 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-16860) 05/19/26 _x86_64_ (4 CPU) 15:41:10 LINUX RESTART (4 CPU) 15:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:13 25.30 0.16 22.61 2.53 6.20 3534.48 20087.51 16:10:00 28.11 0.04 25.18 2.89 1.59 6073.54 19410.57 Average: 26.69 0.10 23.88 2.71 3.92 4790.29 19752.70 15:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:13 9004576 13001456 2953144 18.04 161128 3914328 3062912 17.58 773488 6164048 182188 16:10:00 7628512 12865676 3082840 18.83 191404 5061132 3155284 18.11 1058320 7171216 25864 Average: 8316544 12933566 3017992 18.43 176266 4487730 3109098 17.85 915904 6667632 104026 15:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:13 lo 1479.23 1479.23 1410.68 1410.68 0.00 0.00 0.00 0.00 16:00:13 ens3 47.09 37.77 97.01 12.33 0.00 0.00 0.00 0.00 16:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:00 lo 988.07 988.07 941.18 941.18 0.00 0.00 0.00 0.00 16:10:00 ens3 56.38 43.82 238.35 12.31 0.00 0.00 0.00 0.00 16:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1236.31 1236.31 1178.46 1178.46 0.00 0.00 0.00 0.00 Average: ens3 51.69 40.76 166.92 12.32 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-16860) 05/19/26 _x86_64_ (4 CPU) 15:41:10 LINUX RESTART (4 CPU) 15:50:13 CPU %user %nice %system %iowait %steal %idle 16:00:13 all 64.41 0.00 2.63 0.90 0.11 31.95 16:00:13 0 64.60 0.00 2.33 1.61 0.11 31.36 16:00:13 1 64.54 0.00 2.61 1.78 0.11 30.96 16:00:13 2 63.74 0.00 3.02 0.09 0.11 33.05 16:00:13 3 64.78 0.00 2.58 0.12 0.11 32.42 16:10:00 all 58.71 0.00 2.18 0.07 0.11 38.93 16:10:00 0 55.46 0.00 1.85 0.07 0.10 42.51 16:10:00 1 60.37 0.00 2.42 0.06 0.11 37.04 16:10:00 2 58.99 0.00 2.36 0.13 0.11 38.42 16:10:00 3 60.04 0.00 2.09 0.02 0.11 37.75 Average: all 61.59 0.00 2.41 0.49 0.11 35.40 Average: 0 60.08 0.00 2.09 0.85 0.11 36.87 Average: 1 62.48 0.00 2.52 0.93 0.11 33.96 Average: 2 61.39 0.00 2.70 0.11 0.11 35.70 Average: 3 62.43 0.00 2.34 0.07 0.11 35.06