---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10012 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 9.1G 69G 12% / 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 613 11997 4 3379 15033 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:9a:c2:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84808sec preferred_lft 84808sec inet6 fe80::f816:3eff:fe9a:c24b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:dd:08:ca:06:75 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-10012) 02/13/26 _x86_64_ (4 CPU) 04:24:50 LINUX RESTART (4 CPU) 04:30:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:40:13 1.37 0.01 1.36 0.01 0.04 16.60 0.57 04:50:00 41.98 4.85 36.02 1.12 278.19 4451.29 1244.97 Average: 21.61 2.42 18.63 0.56 138.67 2226.90 620.79 04:30:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:40:13 13667600 15525504 491520 3.00 55544 2028128 1141436 6.55 256952 2205936 192 04:50:00 11021852 14117060 1845848 11.27 118692 3141284 2510380 14.41 538932 4480196 828 Average: 12344726 14821282 1168684 7.14 87118 2584706 1825908 10.48 397942 3343066 510 04:30:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:40:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:40:13 ens3 0.29 0.11 0.07 0.03 0.00 0.00 0.00 0.00 04:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:00 lo 106.90 106.90 97.48 97.48 0.00 0.00 0.00 0.00 04:50:00 ens3 112.92 83.67 1092.90 17.24 0.00 0.00 0.00 0.00 04:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 53.33 53.33 48.59 48.59 0.00 0.00 0.00 0.00 Average: ens3 56.43 41.76 544.75 8.61 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-10012) 02/13/26 _x86_64_ (4 CPU) 04:24:50 LINUX RESTART (4 CPU) 04:30:22 CPU %user %nice %system %iowait %steal %idle 04:40:13 all 0.20 0.00 0.03 0.01 0.03 99.73 04:40:13 0 0.01 0.00 0.01 0.02 0.01 99.94 04:40:13 1 0.10 0.00 0.03 0.01 0.03 99.83 04:40:13 2 0.54 0.00 0.03 0.01 0.02 99.40 04:40:13 3 0.14 0.00 0.04 0.01 0.04 99.77 04:50:00 all 27.73 0.00 1.22 0.33 0.06 70.65 04:50:00 0 27.59 0.00 0.92 0.56 0.06 70.88 04:50:00 1 28.36 0.00 1.38 0.15 0.08 70.03 04:50:00 2 27.99 0.00 1.30 0.20 0.06 70.44 04:50:00 3 27.00 0.00 1.27 0.43 0.06 71.25 Average: all 13.91 0.00 0.62 0.17 0.05 85.26 Average: 0 13.75 0.00 0.47 0.29 0.04 85.46 Average: 1 14.17 0.00 0.70 0.08 0.06 85.00 Average: 2 14.19 0.00 0.66 0.10 0.04 85.01 Average: 3 13.52 0.00 0.65 0.22 0.05 85.57