---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65182 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 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 657 11062 4 4269 14989 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:fd:3d:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84587sec preferred_lft 84587sec inet6 fe80::f816:3eff:fefd:3da2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:36:62:08:32:7e 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-65182) 04/01/26 _x86_64_ (4 CPU) 13:54:22 LINUX RESTART (4 CPU) 14:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:10 46.20 0.69 37.87 7.64 21.84 4239.68 5146.04 14:20:08 25.00 0.31 20.47 4.23 11.84 2832.23 2748.95 Average: 35.64 0.50 29.20 5.94 16.86 3538.88 3952.47 14:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:10 10166476 13674752 2283468 13.95 170924 3439736 2490396 14.29 618880 5174368 129752 14:20:08 11393184 15402568 552360 3.37 200684 3871692 1111380 6.38 785460 3733976 60 Average: 10779830 14538660 1417914 8.66 185804 3655714 1800888 10.34 702170 4454172 64906 14:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:10 lo 4392.22 4392.22 4187.84 4187.84 0.00 0.00 0.00 0.00 14:10:10 ens3 123.66 87.46 253.27 27.90 0.00 0.00 0.00 0.00 14:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:08 lo 1749.78 1749.78 1658.58 1658.58 0.00 0.00 0.00 0.00 14:20:08 ens3 95.55 85.94 115.76 126.12 0.00 0.00 0.00 0.00 14:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3076.48 3076.48 2928.46 2928.46 0.00 0.00 0.00 0.00 Average: ens3 109.66 86.70 184.80 76.81 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-65182) 04/01/26 _x86_64_ (4 CPU) 13:54:22 LINUX RESTART (4 CPU) 14:00:06 CPU %user %nice %system %iowait %steal %idle 14:10:10 all 66.54 0.00 4.08 0.14 0.15 29.10 14:10:10 0 65.97 0.00 3.68 0.07 0.15 30.13 14:10:10 1 66.06 0.00 4.28 0.14 0.14 29.38 14:10:10 2 67.24 0.00 4.45 0.21 0.15 27.95 14:10:10 3 66.88 0.00 3.92 0.12 0.15 28.94 14:20:08 all 32.70 0.00 1.99 0.13 0.08 65.09 14:20:08 0 30.91 0.00 1.68 0.07 0.08 67.27 14:20:08 1 31.63 0.00 2.14 0.21 0.08 65.95 14:20:08 2 36.08 0.00 1.98 0.12 0.09 61.73 14:20:08 3 32.20 0.00 2.17 0.10 0.09 65.43 Average: all 49.67 0.00 3.04 0.13 0.12 47.04 Average: 0 48.49 0.00 2.68 0.07 0.11 48.64 Average: 1 48.90 0.00 3.21 0.18 0.11 47.60 Average: 2 51.71 0.00 3.22 0.17 0.12 44.79 Average: 3 49.60 0.00 3.05 0.11 0.12 47.13