---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8448 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 9.8G 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 622 10996 4 4370 15024 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:e8:47:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84527sec preferred_lft 84527sec inet6 fe80::f816:3eff:fee8:47dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:09:80:fe:d0:37 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-8448) 02/07/26 _x86_64_ (4 CPU) 09:10:27 LINUX RESTART (4 CPU) 09:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 9.00 1.93 6.67 0.40 127.67 1766.14 1596.81 09:40:19 10.57 0.52 9.05 1.00 17.19 2204.27 1970.80 Average: 9.80 1.20 7.90 0.71 70.83 1991.54 1789.21 09:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10959848 14239980 1721160 10.51 120768 3313156 2025440 11.63 693984 4375728 33204 09:40:19 9460336 13382708 2572596 15.71 152808 3860560 2724016 15.64 860104 5617360 10268 Average: 10210092 13811344 2146878 13.11 136788 3586858 2374728 13.63 777044 4996544 21736 09:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 09:30:01 ens3 58.37 46.30 510.85 9.87 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:19 lo 1.27 1.27 0.13 0.13 0.00 0.00 0.00 0.00 09:40:19 ens3 64.66 49.07 89.08 16.45 0.00 0.00 0.00 0.00 09:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 61.60 47.73 293.87 13.26 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-8448) 02/07/26 _x86_64_ (4 CPU) 09:10:27 LINUX RESTART (4 CPU) 09:20:18 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 29.73 0.00 0.89 0.04 0.05 69.29 09:30:01 0 29.99 0.00 0.89 0.02 0.04 69.06 09:30:01 1 29.34 0.00 0.95 0.07 0.05 69.59 09:30:01 2 29.39 0.00 0.90 0.06 0.06 69.59 09:30:01 3 30.19 0.00 0.82 0.02 0.05 68.93 09:40:19 all 66.23 0.00 2.13 0.03 0.08 31.52 09:40:19 0 65.83 0.00 2.01 0.03 0.08 32.04 09:40:19 1 65.91 0.00 2.27 0.04 0.08 31.71 09:40:19 2 66.50 0.00 2.12 0.03 0.08 31.27 09:40:19 3 66.68 0.00 2.14 0.04 0.08 31.06 Average: all 48.49 0.00 1.53 0.04 0.07 49.88 Average: 0 48.43 0.00 1.46 0.03 0.06 50.02 Average: 1 48.12 0.00 1.63 0.05 0.07 50.13 Average: 2 48.46 0.00 1.52 0.05 0.07 49.90 Average: 3 48.94 0.00 1.50 0.03 0.07 49.47