---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28796 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: 5599.94 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 629 10464 4 4894 15016 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:20:b9:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84856sec preferred_lft 84856sec inet6 fe80::f816:3eff:fe20:b922/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:b9:2f:2f:7e:c7 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-28796) 03/24/26 _x86_64_ (4 CPU) 23:04:22 LINUX RESTART (4 CPU) 23:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:08 17.09 0.08 3.72 13.29 7.21 623.07 237575.49 23:30:00 26.68 0.59 23.44 2.66 27.26 6278.48 7379.93 Average: 21.83 0.33 13.47 8.03 17.13 3420.93 123692.71 23:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:08 9626052 12744484 3217776 19.65 116168 3162416 3425320 19.66 534732 5851100 32 23:30:00 10666332 15330768 625092 3.82 140696 4623524 1133296 6.51 921856 4351556 18752 Average: 10146192 14037626 1921434 11.74 128432 3892970 2279308 13.08 728294 5101328 9392 23:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:08 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 23:20:08 ens3 8.79 7.45 35.83 2.10 0.00 0.00 0.00 0.00 23:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:00 lo 510.30 510.30 485.79 485.79 0.00 0.00 0.00 0.00 23:30:00 ens3 47.92 37.65 492.72 18.70 0.00 0.00 0.00 0.00 23:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 252.76 252.76 240.52 240.52 0.00 0.00 0.00 0.00 Average: ens3 28.15 22.39 261.86 10.31 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-28796) 03/24/26 _x86_64_ (4 CPU) 23:04:22 LINUX RESTART (4 CPU) 23:10:03 CPU %user %nice %system %iowait %steal %idle 23:20:08 all 47.26 0.00 0.66 0.03 0.08 51.97 23:20:08 0 41.74 0.00 0.76 0.02 0.08 57.39 23:20:08 1 43.22 0.00 0.60 0.08 0.08 56.02 23:20:08 2 45.24 0.00 0.52 0.01 0.07 54.17 23:20:08 3 58.85 0.00 0.76 0.03 0.09 40.28 23:30:00 all 50.53 0.00 1.53 0.20 0.08 47.66 23:30:00 0 45.87 0.00 1.40 0.40 0.09 52.24 23:30:00 1 43.74 0.00 1.42 0.14 0.08 54.62 23:30:00 2 70.10 0.00 1.95 0.19 0.08 27.68 23:30:00 3 42.41 0.00 1.34 0.08 0.08 56.08 Average: all 48.88 0.00 1.09 0.12 0.08 49.84 Average: 0 43.78 0.00 1.08 0.21 0.08 54.85 Average: 1 43.48 0.00 1.00 0.11 0.08 55.33 Average: 2 57.52 0.00 1.23 0.10 0.07 41.08 Average: 3 50.73 0.00 1.05 0.05 0.09 48.09