---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10254 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 11G 67G 14% / 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 729 10002 4 5258 14917 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:cc:94:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84729sec preferred_lft 84729sec inet6 fe80::f816:3eff:fecc:940e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:15:7d:d4:58:87 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-10254) 05/02/26 _x86_64_ (4 CPU) 02:46:51 LINUX RESTART (4 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:15 27.54 2.01 23.39 2.13 127.39 4931.53 13478.24 03:10:15 33.02 0.05 30.13 2.85 1.59 6028.96 22794.98 Average: 30.25 1.04 26.72 2.49 65.21 5473.93 18082.95 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:15 9519408 13303512 2653096 16.20 150352 3726820 2938740 16.87 712228 5716268 96108 03:10:15 8199452 13320428 2629940 16.06 176544 4969536 2856644 16.40 1009200 6664676 13904 Average: 8859430 13311970 2641518 16.13 163448 4348178 2897692 16.63 860714 6190472 55006 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:15 lo 964.96 964.96 919.56 919.56 0.00 0.00 0.00 0.00 03:00:15 ens3 58.63 44.37 341.20 10.19 0.00 0.00 0.00 0.00 03:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:15 lo 1199.17 1199.17 1142.82 1142.82 0.00 0.00 0.00 0.00 03:10:15 ens3 41.42 33.29 229.06 8.23 0.00 0.00 0.00 0.00 03:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1080.71 1080.71 1029.91 1029.91 0.00 0.00 0.00 0.00 Average: ens3 50.12 38.89 285.78 9.22 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-10254) 05/02/26 _x86_64_ (4 CPU) 02:46:51 LINUX RESTART (4 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:15 all 66.43 0.00 2.23 0.13 0.10 31.10 03:00:15 0 64.07 0.00 2.23 0.05 0.10 33.54 03:00:15 1 68.51 0.00 2.18 0.38 0.09 28.84 03:00:15 2 65.58 0.00 2.19 0.04 0.10 32.09 03:00:15 3 67.57 0.00 2.34 0.05 0.10 29.94 03:10:15 all 56.08 0.00 2.23 0.57 0.11 41.01 03:10:15 0 52.98 0.00 2.16 0.75 0.11 44.00 03:10:15 1 55.29 0.00 1.91 1.42 0.10 41.28 03:10:15 2 60.78 0.00 2.65 0.04 0.11 36.43 03:10:15 3 55.29 0.00 2.20 0.08 0.11 42.32 Average: all 61.32 0.00 2.23 0.35 0.10 36.00 Average: 0 58.59 0.00 2.20 0.40 0.10 38.71 Average: 1 61.98 0.00 2.05 0.89 0.10 34.99 Average: 2 63.21 0.00 2.41 0.04 0.10 34.23 Average: 3 61.50 0.00 2.27 0.07 0.11 36.06