---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7053 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: 5600.00 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 9.0G 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 633 12036 4 3319 15013 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:9e:1b:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83917sec preferred_lft 83917sec inet6 fe80::f816:3eff:fe9e:1b20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:20:e9:df:b1:1d 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-7053) 02/02/26 _x86_64_ (4 CPU) 13:35:23 LINUX RESTART (4 CPU) 13:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:10 3.81 0.25 3.24 0.33 204.83 487.99 16003.14 14:00:05 26.52 1.35 25.05 0.13 97.75 748.18 581.00 14:10:01 15.64 2.92 12.06 0.66 156.70 3070.02 786.49 Average: 15.24 1.50 13.37 0.37 153.48 1429.45 5862.35 13:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:10 13606140 15524000 491264 3.00 57696 2085164 1135896 6.52 266664 2246648 168 14:00:05 13118844 15376828 617020 3.77 84032 2380408 1188816 6.82 331780 2628308 167180 14:10:01 9628252 12615104 3347984 20.45 112040 3045860 3510940 20.15 549876 5836212 444 Average: 12117745 14505311 1485423 9.07 84589 2503811 1945217 11.17 382773 3570389 55931 13:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:10 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 13:50:10 ens3 12.19 8.35 139.19 0.59 0.00 0.00 0.00 0.00 13:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:05 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 14:00:05 ens3 29.27 20.21 141.96 5.05 0.00 0.00 0.00 0.00 14:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 0.64 0.64 0.26 0.26 0.00 0.00 0.00 0.00 14:10:01 ens3 52.04 42.77 612.88 7.28 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.31 0.31 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 31.04 23.67 297.04 4.28 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-7053) 02/02/26 _x86_64_ (4 CPU) 13:35:23 LINUX RESTART (4 CPU) 13:40:01 CPU %user %nice %system %iowait %steal %idle 13:50:10 all 0.27 0.00 0.10 0.10 0.02 99.51 13:50:10 0 0.25 0.00 0.13 0.11 0.02 99.48 13:50:10 1 0.52 0.00 0.08 0.02 0.02 99.37 13:50:10 2 0.16 0.00 0.08 0.25 0.01 99.50 13:50:10 3 0.14 0.00 0.11 0.03 0.01 99.71 14:00:05 all 1.58 0.00 0.20 0.24 0.02 97.96 14:00:05 0 1.62 0.00 0.15 0.09 0.02 98.12 14:00:05 1 2.31 0.00 0.35 0.72 0.03 96.60 14:00:05 2 0.51 0.00 0.12 0.09 0.01 99.27 14:00:05 3 1.89 0.00 0.18 0.05 0.02 97.86 14:10:01 all 51.56 0.00 0.99 0.10 0.09 47.26 14:10:01 0 43.21 0.00 1.03 0.14 0.09 55.54 14:10:01 1 54.95 0.00 1.03 0.13 0.09 43.80 14:10:01 2 46.65 0.00 0.85 0.05 0.08 52.37 14:10:01 3 61.46 0.00 1.05 0.09 0.09 37.31 Average: all 17.69 0.00 0.43 0.15 0.04 81.70 Average: 0 14.94 0.00 0.43 0.11 0.04 84.47 Average: 1 19.13 0.00 0.48 0.29 0.05 80.05 Average: 2 15.68 0.00 0.35 0.13 0.04 83.81 Average: 3 21.01 0.00 0.45 0.06 0.04 78.45