---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7393 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 11G 68G 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 661 10336 4 4990 14985 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:71:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84548sec preferred_lft 84548sec inet6 fe80::f816:3eff:fe9a:71cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:f4:b2:10:7b:22 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-7393) 02/03/26 _x86_64_ (4 CPU) 11:21:18 LINUX RESTART (4 CPU) 11:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:03 12.73 0.66 10.93 1.15 23.74 2989.76 2480.72 11:50:03 41.23 0.62 22.71 17.89 22.48 4343.21 246828.02 Average: 27.05 0.64 16.85 9.57 23.11 3670.05 125297.11 11:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:03 9775808 13414660 2542780 15.53 140968 3610440 2788468 16.01 815444 5385592 51940 11:50:03 10616664 15365736 583844 3.57 170928 4614500 1110000 6.37 1107704 4147604 336 Average: 10196236 14390198 1563312 9.55 155948 4112470 1949234 11.19 961574 4766598 26138 11:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:03 lo 1.44 1.44 0.15 0.15 0.00 0.00 0.00 0.00 11:40:03 ens3 71.54 54.34 142.71 18.34 0.00 0.00 0.00 0.00 11:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:03 lo 1471.72 1471.72 1393.58 1393.58 0.00 0.00 0.00 0.00 11:50:03 ens3 104.27 87.43 412.34 117.96 0.00 0.00 0.00 0.00 11:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 740.45 740.45 700.53 700.53 0.00 0.00 0.00 0.00 Average: ens3 87.99 70.97 278.23 68.41 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-7393) 02/03/26 _x86_64_ (4 CPU) 11:21:18 LINUX RESTART (4 CPU) 11:30:10 CPU %user %nice %system %iowait %steal %idle 11:40:03 all 73.62 0.00 2.29 0.06 0.12 23.91 11:40:03 0 74.52 0.00 2.20 0.05 0.11 23.12 11:40:03 1 71.82 0.00 2.35 0.09 0.12 25.62 11:40:03 2 74.60 0.00 2.33 0.05 0.12 22.90 11:40:03 3 73.55 0.00 2.29 0.04 0.12 24.00 11:50:03 all 54.58 0.00 2.31 0.13 0.12 42.86 11:50:03 0 53.76 0.00 2.10 0.11 0.11 43.92 11:50:03 1 51.62 0.00 2.50 0.09 0.12 45.67 11:50:03 2 57.26 0.00 2.24 0.12 0.12 40.27 11:50:03 3 55.67 0.00 2.42 0.20 0.12 41.60 Average: all 64.05 0.00 2.30 0.09 0.12 33.44 Average: 0 64.08 0.00 2.15 0.08 0.11 33.58 Average: 1 61.67 0.00 2.42 0.09 0.12 35.70 Average: 2 65.88 0.00 2.28 0.09 0.12 31.64 Average: 3 64.56 0.00 2.35 0.12 0.12 32.85