---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29990 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 643 10453 4 4892 15002 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:5b:50:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84521sec preferred_lft 84521sec inet6 fe80::f816:3eff:fe5b:504c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:ae:1b:94:8f:11 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-29990) 03/25/26 _x86_64_ (4 CPU) 07:00:15 LINUX RESTART (4 CPU) 07:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 3.27 0.07 3.06 0.14 6.73 544.10 28.33 07:30:03 32.36 0.52 17.07 14.77 19.04 2319.17 246475.91 Average: 17.86 0.29 10.09 7.48 12.90 1434.26 123616.39 07:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 9461432 12572748 3388976 20.70 116344 3155088 3562096 20.45 531104 6034376 260 07:30:03 9994000 13539076 2418896 14.77 136776 3541744 2494836 14.32 711268 5267856 9832 Average: 9727716 13055912 2903936 17.74 126560 3348416 3028466 17.38 621186 5651116 5046 07:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 07:20:01 ens3 9.68 7.76 36.26 2.28 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:03 lo 552.99 552.99 526.77 526.77 0.00 0.00 0.00 0.00 07:30:03 ens3 36.98 27.81 406.82 3.98 0.00 0.00 0.00 0.00 07:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 277.60 277.60 264.35 264.35 0.00 0.00 0.00 0.00 Average: ens3 23.37 17.82 222.09 3.13 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-29990) 03/25/26 _x86_64_ (4 CPU) 07:00:15 LINUX RESTART (4 CPU) 07:10:02 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 48.81 0.00 0.77 0.02 0.09 50.31 07:20:01 0 41.63 0.00 0.81 0.01 0.09 57.47 07:20:01 1 58.17 0.00 0.95 0.02 0.10 40.75 07:20:01 2 45.09 0.00 0.57 0.02 0.09 54.23 07:20:01 3 50.31 0.00 0.76 0.02 0.10 48.81 07:30:03 all 59.28 0.00 1.46 0.06 0.13 39.08 07:30:03 0 67.97 0.00 1.50 0.04 0.15 30.35 07:30:03 1 51.82 0.00 1.44 0.03 0.11 46.60 07:30:03 2 54.40 0.00 1.45 0.15 0.12 43.89 07:30:03 3 62.92 0.00 1.44 0.02 0.13 35.48 Average: all 54.05 0.00 1.12 0.04 0.11 44.68 Average: 0 54.83 0.00 1.15 0.03 0.12 43.87 Average: 1 54.99 0.00 1.20 0.02 0.11 43.68 Average: 2 49.76 0.00 1.01 0.08 0.10 49.05 Average: 3 56.63 0.00 1.10 0.02 0.12 42.14