---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6177 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 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 685 10602 4 4701 14961 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:55:da:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85143sec preferred_lft 85143sec inet6 fe80::f816:3eff:fe55:dab0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:13:9d:26:b7:45 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-6177) 01/31/26 _x86_64_ (4 CPU) 01:39:29 LINUX RESTART (4 CPU) 01:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:01 45.28 5.48 38.20 1.61 1044.36 5913.47 5867.92 02:00:13 29.21 1.06 23.87 4.28 40.17 3776.49 5022.13 Average: 37.17 3.25 30.97 2.96 537.65 4835.16 5441.14 01:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:01 9909212 13400736 2558972 15.63 128888 3496164 2731136 15.68 738464 5354476 34636 02:00:13 10884272 15340716 611764 3.74 171560 4336640 1096572 6.29 977896 4033204 28420 Average: 10396742 14370726 1585368 9.68 150224 3916402 1913854 10.99 858180 4693840 31528 01:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:01 lo 1.39 1.39 0.16 0.16 0.00 0.00 0.00 0.00 01:50:01 ens3 117.53 91.09 1016.29 21.90 0.00 0.00 0.00 0.00 01:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:13 lo 1406.37 1406.37 1338.93 1338.93 0.00 0.00 0.00 0.00 02:00:13 ens3 105.38 71.63 480.60 20.52 0.00 0.00 0.00 0.00 02:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 710.34 710.34 675.70 675.70 0.00 0.00 0.00 0.00 Average: ens3 111.40 81.27 745.98 21.21 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-6177) 01/31/26 _x86_64_ (4 CPU) 01:39:29 LINUX RESTART (4 CPU) 01:40:00 CPU %user %nice %system %iowait %steal %idle 01:50:01 all 66.85 0.00 2.42 0.31 0.09 30.33 01:50:01 0 67.31 0.00 2.65 0.55 0.09 29.40 01:50:01 1 70.38 0.00 2.66 0.47 0.09 26.40 01:50:01 2 63.76 0.00 2.07 0.11 0.08 33.98 01:50:01 3 65.98 0.00 2.32 0.09 0.09 31.52 02:00:13 all 64.98 0.00 2.69 0.10 0.09 32.14 02:00:13 0 63.92 0.00 2.58 0.08 0.09 33.33 02:00:13 1 65.94 0.00 2.95 0.06 0.09 30.95 02:00:13 2 65.16 0.00 2.71 0.08 0.09 31.96 02:00:13 3 64.90 0.00 2.52 0.16 0.10 32.32 Average: all 65.91 0.00 2.56 0.20 0.09 31.24 Average: 0 65.60 0.00 2.62 0.31 0.09 31.38 Average: 1 68.14 0.00 2.81 0.27 0.09 28.69 Average: 2 64.46 0.00 2.39 0.09 0.09 32.96 Average: 3 65.43 0.00 2.42 0.13 0.09 31.93