---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20724 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 748 9462 4 5778 14898 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:48:d3:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84518sec preferred_lft 84518sec inet6 fe80::f816:3eff:fe48:d3aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:8a:dc:81:b6:12 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-20724) 05/27/26 _x86_64_ (4 CPU) 12:35:28 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 26.44 0.80 23.25 2.38 35.04 4572.54 8568.77 13:00:21 31.65 0.06 28.45 3.15 1.65 6023.78 15444.34 Average: 29.09 0.42 25.90 2.77 18.05 5310.95 12067.18 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 9626372 13501076 2454200 14.99 159420 3797588 2675096 15.36 748700 5566764 27436 13:00:21 7394076 12708320 3240012 19.79 190484 5131392 3507540 20.13 1057960 7415220 18468 Average: 8510224 13104698 2847106 17.39 174952 4464490 3091318 17.74 903330 6490992 22952 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 920.74 920.74 877.25 877.25 0.00 0.00 0.00 0.00 12:50:01 ens3 72.39 52.89 419.43 15.15 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:21 lo 1326.19 1326.19 1264.11 1264.11 0.00 0.00 0.00 0.00 13:00:21 ens3 52.12 40.23 226.32 12.21 0.00 0.00 0.00 0.00 13:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1127.04 1127.04 1074.09 1074.09 0.00 0.00 0.00 0.00 Average: ens3 62.07 46.45 321.17 13.65 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-20724) 05/27/26 _x86_64_ (4 CPU) 12:35:28 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 63.13 0.00 2.28 0.10 0.12 34.38 12:50:01 0 62.64 0.00 2.14 0.13 0.12 34.97 12:50:01 1 64.57 0.00 2.57 0.08 0.11 32.67 12:50:01 2 62.20 0.00 1.97 0.13 0.12 35.58 12:50:01 3 63.10 0.00 2.43 0.06 0.12 34.29 13:00:21 all 56.35 0.00 2.20 0.16 0.12 41.17 13:00:21 0 56.69 0.00 2.07 0.09 0.11 41.04 13:00:21 1 54.39 0.00 2.19 0.19 0.12 43.11 13:00:21 2 54.99 0.00 2.12 0.25 0.12 42.51 13:00:21 3 59.34 0.00 2.41 0.10 0.12 38.03 Average: all 59.68 0.00 2.24 0.13 0.12 37.84 Average: 0 59.61 0.00 2.10 0.11 0.12 38.06 Average: 1 59.39 0.00 2.37 0.14 0.12 37.98 Average: 2 58.53 0.00 2.05 0.19 0.12 39.11 Average: 3 61.19 0.00 2.42 0.08 0.12 36.19