---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23407 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: 5599.94 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 654 10461 4 4873 14992 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:16:26:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84457sec preferred_lft 84457sec inet6 fe80::f816:3eff:fe16:26b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:76:fa:b2:8b:ad 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-23407) 06/03/26 _x86_64_ (4 CPU) 12:00:40 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:22 15.30 1.87 12.35 1.08 123.17 3187.48 2377.41 12:30:22 29.44 0.78 24.66 3.99 26.96 4274.52 2505.36 Average: 22.24 1.34 18.40 2.51 75.92 3721.33 2440.24 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:22 10152888 13746740 2210856 13.50 146556 3543424 2477372 14.22 637116 5173164 88892 12:30:22 10752144 15382436 567804 3.47 172988 4484168 1105796 6.35 912792 4190340 44 Average: 10452516 14564588 1389330 8.49 159772 4013796 1791584 10.28 774954 4681752 44468 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:22 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 12:20:22 ens3 86.16 64.23 308.93 18.20 0.00 0.00 0.00 0.00 12:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:22 lo 1502.65 1502.65 1424.87 1424.87 0.00 0.00 0.00 0.00 12:30:22 ens3 95.49 84.04 414.93 112.52 0.00 0.00 0.00 0.00 12:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 738.65 738.65 699.83 699.83 0.00 0.00 0.00 0.00 Average: ens3 90.74 73.96 360.98 64.52 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-23407) 06/03/26 _x86_64_ (4 CPU) 12:00:40 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:22 all 74.17 0.00 2.32 0.04 0.12 23.36 12:20:22 0 74.92 0.00 2.29 0.03 0.12 22.64 12:20:22 1 75.42 0.00 2.34 0.03 0.12 22.09 12:20:22 2 74.51 0.00 2.56 0.07 0.12 22.73 12:20:22 3 71.82 0.00 2.08 0.03 0.12 25.96 12:30:22 all 54.42 0.00 2.32 0.07 0.09 43.09 12:30:22 0 53.41 0.00 2.21 0.16 0.09 44.13 12:30:22 1 56.15 0.00 2.21 0.04 0.10 41.51 12:30:22 2 54.23 0.00 2.31 0.06 0.09 43.31 12:30:22 3 53.91 0.00 2.55 0.03 0.09 43.42 Average: all 64.46 0.00 2.32 0.05 0.11 33.06 Average: 0 64.34 0.00 2.25 0.09 0.11 33.21 Average: 1 65.94 0.00 2.28 0.03 0.11 31.64 Average: 2 64.55 0.00 2.44 0.06 0.11 32.85 Average: 3 63.01 0.00 2.31 0.03 0.11 34.54