---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20201 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 681 10285 4 5022 14965 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:c4:01:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84808sec preferred_lft 84808sec inet6 fe80::f816:3eff:fec4:10e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:47:27:f9:91:7e 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20201) 02/23/26 _x86_64_ (4 CPU) 13:38:28 LINUX RESTART (4 CPU) 13:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:12 22.93 3.08 18.30 1.54 549.04 4543.15 4520.81 14:00:01 45.64 0.87 27.07 17.70 28.81 4611.02 247332.67 Average: 34.07 2.00 22.60 9.47 293.79 4576.45 123659.81 13:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:12 10653768 14112832 1845572 11.27 133132 3453444 2160360 12.40 680840 4662448 27500 14:00:01 8410136 13085916 2863716 17.49 172108 4541792 3576476 20.53 1010336 6466628 2736 Average: 9531952 13599374 2354644 14.38 152620 3997618 2868418 16.46 845588 5564538 15118 13:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:12 lo 1.28 1.28 0.14 0.14 0.00 0.00 0.00 0.00 13:50:12 ens3 108.34 84.95 860.02 20.74 0.00 0.00 0.00 0.00 13:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 1521.20 1521.20 1449.46 1449.46 0.00 0.00 0.00 0.00 14:00:01 ens3 82.63 59.39 469.25 16.97 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.05 747.05 711.27 711.27 0.00 0.00 0.00 0.00 Average: ens3 95.73 72.41 668.28 18.89 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-20201) 02/23/26 _x86_64_ (4 CPU) 13:38:28 LINUX RESTART (4 CPU) 13:40:01 CPU %user %nice %system %iowait %steal %idle 13:50:12 all 57.31 0.00 2.08 0.14 0.10 40.37 13:50:12 0 55.82 0.00 2.06 0.10 0.11 41.92 13:50:12 1 58.58 0.00 2.28 0.13 0.10 38.91 13:50:12 2 57.79 0.00 2.19 0.09 0.10 39.82 13:50:12 3 57.05 0.00 1.78 0.23 0.11 40.83 14:00:01 all 69.41 0.00 2.81 0.13 0.14 27.50 14:00:01 0 67.11 0.00 2.80 0.17 0.13 29.78 14:00:01 1 69.89 0.00 2.87 0.16 0.14 26.94 14:00:01 2 70.94 0.00 2.78 0.07 0.13 26.07 14:00:01 3 69.71 0.00 2.79 0.14 0.14 27.22 Average: all 63.25 0.00 2.44 0.14 0.12 34.06 Average: 0 61.36 0.00 2.42 0.13 0.12 35.96 Average: 1 64.13 0.00 2.57 0.14 0.12 33.04 Average: 2 64.24 0.00 2.48 0.08 0.12 33.08 Average: 3 63.26 0.00 2.28 0.19 0.12 34.15