---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7466 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 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 715 9572 4 5701 14931 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:f9:60:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84409sec preferred_lft 84409sec inet6 fe80::f816:3eff:fef9:608b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:ff:cf:e3:d8:43 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-7466) 04/24/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:19 28.66 2.07 24.27 2.32 129.97 4950.16 4876.21 13:00:19 32.58 0.04 29.35 3.18 1.56 6135.36 12496.67 Average: 30.59 1.07 26.77 2.74 66.73 5533.87 8629.29 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:19 9659220 13442120 2513240 15.35 157896 3713864 3044008 17.47 744612 5551960 20112 13:00:19 7232220 12468996 3479452 21.25 191816 5059004 3641740 20.90 1059412 7568884 29936 Average: 8445720 12955558 2996346 18.30 174856 4386434 3342874 19.19 902012 6560422 25024 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:19 lo 842.21 842.21 802.42 802.42 0.00 0.00 0.00 0.00 12:50:19 ens3 65.72 51.46 433.82 14.19 0.00 0.00 0.00 0.00 12:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:19 lo 1271.16 1271.16 1211.47 1211.47 0.00 0.00 0.00 0.00 13:00:19 ens3 55.85 42.93 233.10 11.69 0.00 0.00 0.00 0.00 13:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1053.47 1053.47 1003.88 1003.88 0.00 0.00 0.00 0.00 Average: ens3 60.86 47.26 334.96 12.96 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-7466) 04/24/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:19 all 63.85 0.00 2.17 0.12 0.11 33.75 12:50:19 0 64.44 0.00 2.04 0.12 0.12 33.28 12:50:19 1 65.80 0.00 2.37 0.09 0.11 31.63 12:50:19 2 63.00 0.00 2.39 0.09 0.11 34.41 12:50:19 3 62.16 0.00 1.89 0.18 0.11 35.67 13:00:19 all 57.62 0.00 2.40 0.55 0.11 39.32 13:00:19 0 56.05 0.00 2.46 0.58 0.10 40.82 13:00:19 1 54.91 0.00 2.15 0.81 0.12 42.01 13:00:19 2 57.91 0.00 2.19 0.17 0.11 39.62 13:00:19 3 61.60 0.00 2.79 0.66 0.11 34.84 Average: all 60.78 0.00 2.28 0.33 0.11 36.49 Average: 0 60.31 0.00 2.24 0.35 0.11 36.99 Average: 1 60.44 0.00 2.26 0.45 0.11 36.74 Average: 2 60.50 0.00 2.29 0.13 0.11 36.97 Average: 3 61.88 0.00 2.33 0.41 0.11 35.26