---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6087 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 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 742 10137 4 5109 14904 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:90:39:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84565sec preferred_lft 84565sec inet6 fe80::f816:3eff:fe90:3950/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:50:30:54:55:31 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-6087) 01/30/26 _x86_64_ (4 CPU) 15:33:10 LINUX RESTART (4 CPU) 15:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 12.94 2.05 9.88 1.01 133.16 2903.33 623.39 16:00:11 28.26 0.91 23.26 4.09 29.65 4467.52 2495.19 Average: 20.73 1.47 16.68 2.58 80.52 3698.79 1575.29 15:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 10218140 13891248 2066316 12.62 140572 3654120 2351260 13.50 803568 4968472 27640 16:00:11 10489780 15360212 588744 3.60 173568 4730288 1119260 6.42 1132040 4247652 48 Average: 10353960 14625730 1327530 8.11 157070 4192204 1735260 9.96 967804 4608062 13844 15:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 15:50:01 ens3 85.95 68.38 503.48 18.92 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:11 lo 1543.72 1543.72 1466.81 1466.81 0.00 0.00 0.00 0.00 16:00:11 ens3 92.82 76.96 421.55 86.52 0.00 0.00 0.00 0.00 16:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 785.73 785.73 746.01 746.01 0.00 0.00 0.00 0.00 Average: ens3 89.44 72.74 461.81 53.30 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-6087) 01/30/26 _x86_64_ (4 CPU) 15:33:10 LINUX RESTART (4 CPU) 15:40:11 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 71.02 0.00 2.20 0.13 0.11 26.54 15:50:01 0 70.51 0.00 2.13 0.14 0.11 27.12 15:50:01 1 70.28 0.00 2.05 0.10 0.11 27.46 15:50:01 2 72.95 0.00 2.47 0.10 0.11 24.37 15:50:01 3 70.35 0.00 2.16 0.18 0.11 27.20 16:00:11 all 60.72 0.00 2.39 0.23 0.10 36.55 16:00:11 0 60.09 0.00 2.21 0.20 0.10 37.40 16:00:11 1 62.05 0.00 2.91 0.40 0.11 34.53 16:00:11 2 62.99 0.00 2.62 0.18 0.11 34.11 16:00:11 3 57.76 0.00 1.82 0.16 0.10 40.16 Average: all 65.78 0.00 2.30 0.18 0.11 31.63 Average: 0 65.21 0.00 2.17 0.17 0.10 32.35 Average: 1 66.10 0.00 2.49 0.25 0.11 31.06 Average: 2 67.89 0.00 2.54 0.14 0.11 29.32 Average: 3 63.95 0.00 1.99 0.17 0.11 33.79