---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7183 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 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 659 9844 4 5485 14987 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:b8:bf:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84517sec preferred_lft 84517sec inet6 fe80::f816:3eff:feb8:bfd4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:4e:f7:d0:62:8c 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-7183) 02/02/26 _x86_64_ (4 CPU) 18:22:39 LINUX RESTART (4 CPU) 18:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:04 43.19 0.03 36.76 6.40 0.91 1500.72 129578.84 18:50:04 33.01 0.20 28.52 4.30 6.05 5862.90 25907.25 Average: 38.10 0.11 32.64 5.35 3.48 3681.79 77743.47 18:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:04 9399884 12938144 3020068 18.45 152476 3521288 3254848 18.68 867296 5719336 440 18:50:04 7205320 12550500 3398468 20.76 182724 5201504 3853008 22.12 1486788 7202852 245004 Average: 8302602 12744322 3209268 19.60 167600 4361396 3553928 20.40 1177042 6461094 122722 18:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:04 lo 45.85 45.85 11.02 11.02 0.00 0.00 0.00 0.00 18:40:04 ens3 11.47 9.82 10.18 3.47 0.00 0.00 0.00 0.00 18:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:04 lo 1741.42 1741.42 1653.58 1653.58 0.00 0.00 0.00 0.00 18:50:04 ens3 72.88 57.10 460.01 14.11 0.00 0.00 0.00 0.00 18:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 893.63 893.63 832.29 832.29 0.00 0.00 0.00 0.00 Average: ens3 42.18 33.46 235.09 8.79 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-7183) 02/02/26 _x86_64_ (4 CPU) 18:22:39 LINUX RESTART (4 CPU) 18:30:04 CPU %user %nice %system %iowait %steal %idle 18:40:04 all 21.69 0.00 0.99 0.49 0.08 76.75 18:40:04 0 21.63 0.00 1.07 0.73 0.08 76.48 18:40:04 1 22.50 0.00 1.00 0.62 0.08 75.79 18:40:04 2 20.39 0.00 0.93 0.43 0.08 78.17 18:40:04 3 22.23 0.00 0.94 0.18 0.08 76.57 18:50:04 all 48.33 0.00 2.30 0.13 0.09 49.16 18:50:04 0 45.72 0.00 2.07 0.11 0.09 52.01 18:50:04 1 49.54 0.00 2.15 0.11 0.09 48.12 18:50:04 2 48.56 0.00 2.70 0.19 0.09 48.47 18:50:04 3 49.50 0.00 2.29 0.10 0.09 48.03 Average: all 35.00 0.00 1.64 0.31 0.08 62.97 Average: 0 33.67 0.00 1.57 0.42 0.09 64.25 Average: 1 36.00 0.00 1.57 0.37 0.09 61.98 Average: 2 34.46 0.00 1.81 0.31 0.08 63.34 Average: 3 35.86 0.00 1.62 0.14 0.08 62.30