---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23781 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 68G 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 721 10515 4 4752 14925 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:07:de:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83787sec preferred_lft 83787sec inet6 fe80::f816:3eff:fe07:de88/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:59:8e:06:fc:3f 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-23781) 02/27/26 _x86_64_ (4 CPU) 10:15:20 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:07 1.52 0.04 1.47 0.01 2.19 18.92 215.15 10:40:07 45.66 4.04 40.64 0.97 251.68 4245.63 2697.61 10:50:01 12.69 0.86 10.67 1.15 28.66 2575.89 3201.02 Average: 19.92 1.65 17.56 0.71 94.08 2271.71 2028.21 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:07 13815708 15543896 475304 2.90 53892 1901520 1128596 6.48 192416 2120664 296 10:40:07 10817868 13784952 2178028 13.30 118560 3002136 2520440 14.47 505520 4703480 32796 10:50:01 9162248 13244976 2708716 16.54 163040 3977552 3102456 17.81 761104 5974972 380676 Average: 11265275 14191275 1787349 10.92 111831 2960403 2250497 12.92 486347 4266372 137923 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:07 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:30:07 ens3 0.44 0.17 0.14 0.08 0.00 0.00 0.00 0.00 10:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:07 lo 0.75 0.75 0.09 0.09 0.00 0.00 0.00 0.00 10:40:07 ens3 116.37 88.70 935.74 18.21 0.00 0.00 0.00 0.00 10:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 107.89 107.89 101.51 101.51 0.00 0.00 0.00 0.00 10:50:01 ens3 88.99 65.75 370.70 18.66 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 35.90 35.90 33.54 33.54 0.00 0.00 0.00 0.00 Average: ens3 68.31 51.33 434.29 12.25 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-23781) 02/27/26 _x86_64_ (4 CPU) 10:15:20 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:07 all 0.23 0.00 0.03 0.03 0.01 99.70 10:30:07 0 0.02 0.00 0.02 0.00 0.00 99.96 10:30:07 1 0.34 0.00 0.02 0.00 0.01 99.62 10:30:07 2 0.51 0.00 0.04 0.00 0.02 99.43 10:30:07 3 0.06 0.00 0.04 0.10 0.02 99.80 10:40:07 all 32.43 0.00 1.27 0.32 0.06 65.92 10:40:07 0 32.82 0.00 1.17 0.47 0.06 65.48 10:40:07 1 30.38 0.00 1.20 0.58 0.06 67.78 10:40:07 2 33.02 0.00 1.25 0.10 0.06 65.57 10:40:07 3 33.49 0.00 1.46 0.14 0.06 64.86 10:50:01 all 71.72 0.00 2.34 0.04 0.11 25.80 10:50:01 0 71.42 0.00 2.33 0.02 0.10 26.12 10:50:01 1 71.70 0.00 2.28 0.02 0.10 25.90 10:50:01 2 72.73 0.00 2.67 0.06 0.11 24.43 10:50:01 3 71.02 0.00 2.09 0.05 0.11 26.73 Average: all 34.52 0.00 1.21 0.13 0.06 64.08 Average: 0 34.49 0.00 1.17 0.16 0.06 64.13 Average: 1 33.89 0.00 1.16 0.20 0.06 64.69 Average: 2 35.11 0.00 1.31 0.06 0.06 63.46 Average: 3 34.60 0.00 1.19 0.10 0.06 64.06