---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2575 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 12G 66G 16% / 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 643 8948 4 6397 15002 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:85:39:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84251sec preferred_lft 84251sec inet6 fe80::f816:3eff:fe85:3900/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:ee:5a:2e:99:9f 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-2575) 01/21/26 _x86_64_ (4 CPU) 05:21:28 LINUX RESTART (4 CPU) 05:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:07 22.31 0.06 19.63 2.62 6.43 2134.43 9264.05 05:50:01 30.06 0.02 27.04 3.00 0.46 4529.25 7972.07 Average: 26.17 0.04 23.32 2.81 3.46 3325.84 8621.30 05:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:07 9371396 12951812 3006092 18.36 141844 3557728 3058104 17.55 761260 5845000 11152 05:50:01 6151648 10797420 5156112 31.49 157128 4562256 4964024 28.49 1062212 8697512 380 Average: 7761522 11874616 4081102 24.93 149486 4059992 4011064 23.02 911736 7271256 5766 05:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:07 lo 1126.96 1126.96 1066.73 1066.73 0.00 0.00 0.00 0.00 05:40:07 ens3 45.71 36.71 28.28 12.34 0.00 0.00 0.00 0.00 05:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1124.95 1124.95 1114.02 1114.02 0.00 0.00 0.00 0.00 05:50:01 ens3 42.47 34.14 42.35 11.76 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1125.96 1125.96 1090.26 1090.26 0.00 0.00 0.00 0.00 Average: ens3 44.10 35.43 35.28 12.05 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-2575) 01/21/26 _x86_64_ (4 CPU) 05:21:28 LINUX RESTART (4 CPU) 05:30:07 CPU %user %nice %system %iowait %steal %idle 05:40:07 all 66.17 0.00 2.22 0.08 0.10 31.43 05:40:07 0 64.58 0.00 1.92 0.05 0.10 33.35 05:40:07 1 65.52 0.00 2.44 0.15 0.10 31.80 05:40:07 2 68.57 0.00 2.24 0.06 0.09 29.03 05:40:07 3 66.02 0.00 2.28 0.06 0.10 31.55 05:50:01 all 56.08 0.00 2.24 0.10 0.09 41.49 05:50:01 0 57.29 0.00 2.10 0.07 0.09 40.44 05:50:01 1 56.45 0.00 2.55 0.14 0.09 40.78 05:50:01 2 56.86 0.00 2.17 0.14 0.09 40.74 05:50:01 3 53.72 0.00 2.14 0.05 0.09 44.00 Average: all 61.15 0.00 2.23 0.09 0.09 36.44 Average: 0 60.96 0.00 2.01 0.06 0.09 36.87 Average: 1 61.00 0.00 2.49 0.14 0.09 36.27 Average: 2 62.74 0.00 2.21 0.10 0.09 34.86 Average: 3 59.90 0.00 2.21 0.06 0.09 37.74