---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19587 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 9.8G 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 595 11072 4 4321 15051 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:92:9b:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84711sec preferred_lft 84711sec inet6 fe80::f816:3eff:fe92:9bd0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:e7:40:88:fd:0b 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19587) 02/21/26 _x86_64_ (4 CPU) 07:14:48 LINUX RESTART (4 CPU) 07:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:00 21.98 2.04 6.37 13.57 147.87 1669.08 248309.49 07:40:19 12.62 0.47 11.03 1.11 15.48 2635.03 2835.46 Average: 17.21 1.24 8.75 7.22 80.41 2161.30 123224.40 07:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:00 11578488 14589584 1373492 8.39 116868 3064640 1813648 10.41 594516 3872936 36100 07:40:19 9666868 13474448 2481356 15.16 152536 3746468 3015100 17.31 789640 5484940 24072 Average: 10622678 14032016 1927424 11.77 134702 3405554 2414374 13.86 692078 4678938 30086 07:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:00 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 07:30:00 ens3 51.19 39.84 598.09 6.78 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:19 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 07:40:19 ens3 70.96 52.58 133.22 17.57 0.00 0.00 0.00 0.00 07:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.85 0.85 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 61.27 46.33 361.21 12.28 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19587) 02/21/26 _x86_64_ (4 CPU) 07:14:48 LINUX RESTART (4 CPU) 07:20:04 CPU %user %nice %system %iowait %steal %idle 07:30:00 all 11.25 0.00 0.49 0.08 0.03 88.15 07:30:00 0 11.42 0.00 0.32 0.07 0.03 88.16 07:30:00 1 10.81 0.00 0.45 0.05 0.03 88.67 07:30:00 2 10.85 0.00 0.52 0.03 0.03 88.56 07:30:00 3 11.92 0.00 0.69 0.17 0.04 87.19 07:40:19 all 72.93 0.00 2.30 0.05 0.12 24.62 07:40:19 0 72.00 0.00 2.18 0.03 0.12 25.67 07:40:19 1 75.47 0.00 2.49 0.05 0.12 21.87 07:40:19 2 74.19 0.00 2.57 0.05 0.11 23.08 07:40:19 3 70.04 0.00 1.94 0.06 0.11 27.84 Average: all 42.64 0.00 1.41 0.06 0.08 55.81 Average: 0 42.26 0.00 1.27 0.05 0.08 56.35 Average: 1 43.71 0.00 1.49 0.05 0.07 54.68 Average: 2 43.09 0.00 1.56 0.04 0.07 55.23 Average: 3 41.50 0.00 1.33 0.11 0.08 56.99