---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28851 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 9.9G 68G 13% / 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 674 11050 4 4264 14972 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:1a:6d:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84882sec preferred_lft 84882sec inet6 fe80::f816:3eff:fe1a:6dca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:ca:41:d8:d3:40 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-28851) 06/20/26 _x86_64_ (4 CPU) 10:45:28 LINUX RESTART (4 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:18 3.96 0.11 3.69 0.17 8.59 505.90 165.81 11:10:07 21.50 0.70 18.79 2.01 25.08 2906.21 10425.61 Average: 12.52 0.40 11.06 1.07 16.64 1677.37 5173.13 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:18 9328716 12400896 3562444 21.76 110004 3124076 3852576 22.11 486248 6219164 10932 11:10:07 11289096 15296596 661696 4.04 131600 3998248 1164356 6.68 685624 3970820 445616 Average: 10308906 13848746 2112070 12.90 120802 3561162 2508466 14.40 585936 5094992 228274 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:18 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 11:00:18 ens3 12.26 9.55 36.54 3.14 0.00 0.00 0.00 0.00 11:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 494.12 494.12 470.76 470.76 0.00 0.00 0.00 0.00 11:10:07 ens3 87.11 59.34 589.35 15.64 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 241.46 241.46 229.94 229.94 0.00 0.00 0.00 0.00 Average: ens3 48.79 33.85 306.34 9.24 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-28851) 06/20/26 _x86_64_ (4 CPU) 10:45:28 LINUX RESTART (4 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:18 all 47.85 0.00 0.68 0.02 0.07 51.38 11:00:18 0 43.04 0.00 0.50 0.00 0.07 56.38 11:00:18 1 46.02 0.00 0.62 0.01 0.07 53.29 11:00:18 2 60.92 0.00 0.72 0.01 0.08 38.27 11:00:18 3 41.45 0.00 0.86 0.04 0.07 57.58 11:10:07 all 49.91 0.00 1.44 0.09 0.08 48.48 11:10:07 0 42.71 0.00 1.47 0.11 0.07 55.63 11:10:07 1 36.70 0.00 1.32 0.05 0.08 61.85 11:10:07 2 40.58 0.00 1.40 0.04 0.07 57.91 11:10:07 3 79.66 0.00 1.59 0.15 0.09 18.52 Average: all 48.86 0.00 1.05 0.05 0.07 49.97 Average: 0 42.88 0.00 0.98 0.06 0.07 56.02 Average: 1 41.47 0.00 0.96 0.03 0.07 57.46 Average: 2 50.98 0.00 1.05 0.03 0.07 47.87 Average: 3 60.09 0.00 1.21 0.09 0.08 38.52