---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28802 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 10215 4 5130 15003 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:51:7d:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84849sec preferred_lft 84849sec inet6 fe80::f816:3eff:fe51:7d46/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:47:4a:92:97:f0 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-28802) 03/24/26 _x86_64_ (4 CPU) 23:04:15 LINUX RESTART (4 CPU) 23:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:00 17.20 0.08 3.74 13.38 7.32 626.51 238934.81 23:30:00 25.35 0.58 22.23 2.54 26.64 6172.96 14147.47 Average: 21.27 0.33 12.99 7.96 16.98 3399.73 126541.14 23:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:00 9186044 12546712 3414412 20.85 119040 3398836 3576120 20.53 671784 6166740 248 23:30:00 10406736 15314180 640712 3.91 143076 4861112 1124752 6.46 1058448 4462072 21752 Average: 9796390 13930446 2027562 12.38 131058 4129974 2350436 13.49 865116 5314406 11000 23:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:00 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 23:20:00 ens3 9.72 7.65 36.15 2.13 0.00 0.00 0.00 0.00 23:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:00 lo 511.11 511.11 486.70 486.70 0.00 0.00 0.00 0.00 23:30:00 ens3 46.20 34.42 485.71 18.15 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 255.86 255.86 243.54 243.54 0.00 0.00 0.00 0.00 Average: ens3 27.96 21.04 260.93 10.14 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-28802) 03/24/26 _x86_64_ (4 CPU) 23:04:15 LINUX RESTART (4 CPU) 23:10:00 CPU %user %nice %system %iowait %steal %idle 23:20:00 all 47.80 0.00 0.65 0.03 0.08 51.44 23:20:00 0 40.74 0.00 0.72 0.06 0.07 58.41 23:20:00 1 45.57 0.00 0.58 0.02 0.07 53.77 23:20:00 2 67.84 0.00 0.65 0.03 0.09 31.40 23:20:00 3 37.11 0.00 0.66 0.03 0.07 62.12 23:30:00 all 50.50 0.00 1.51 0.22 0.08 47.69 23:30:00 0 43.62 0.00 1.49 0.20 0.09 54.61 23:30:00 1 45.27 0.00 1.48 0.26 0.08 52.91 23:30:00 2 70.70 0.00 1.54 0.10 0.09 27.58 23:30:00 3 42.42 0.00 1.53 0.33 0.08 55.63 Average: all 49.14 0.00 1.08 0.13 0.08 49.57 Average: 0 42.18 0.00 1.10 0.13 0.08 56.51 Average: 1 45.42 0.00 1.03 0.14 0.07 53.34 Average: 2 69.26 0.00 1.09 0.06 0.09 29.49 Average: 3 39.76 0.00 1.10 0.18 0.08 58.89