---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20980 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 11G 67G 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 620 10628 4 4739 15026 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:1d:a1:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84417sec preferred_lft 84417sec inet6 fe80::f816:3eff:fe1d:a116/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:e3:bc:76:0c:f4 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-20980) 02/26/26 _x86_64_ (4 CPU) 11:14:03 LINUX RESTART (4 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:38 3.34 0.07 3.11 0.16 6.54 507.97 30.61 11:40:09 11.48 0.56 10.33 0.59 20.47 2658.35 2788.15 Average: 7.18 0.30 6.53 0.36 13.12 1524.33 1333.94 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:38 10809080 13766896 2197128 13.42 113384 3007836 2756656 15.82 499544 4723332 25572 11:40:09 9431672 13048328 2911696 17.78 134048 3611000 3047724 17.49 675424 5866160 236512 Average: 10120376 13407612 2554412 15.60 123716 3309418 2902190 16.66 587484 5294746 131042 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:38 lo 0.59 0.59 0.36 0.36 0.00 0.00 0.00 0.00 11:30:38 ens3 9.51 7.39 34.26 2.24 0.00 0.00 0.00 0.00 11:30:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:09 lo 200.72 200.72 191.02 191.02 0.00 0.00 0.00 0.00 11:40:09 ens3 33.53 22.53 428.22 3.33 0.00 0.00 0.00 0.00 11:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 95.18 95.18 90.47 90.47 0.00 0.00 0.00 0.00 Average: ens3 20.86 14.55 220.47 2.76 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-20980) 02/26/26 _x86_64_ (4 CPU) 11:14:03 LINUX RESTART (4 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:38 all 43.70 0.00 0.62 6.05 0.08 49.55 11:30:38 0 50.14 0.00 0.63 12.04 0.08 37.11 11:30:38 1 42.61 0.00 0.62 12.09 0.08 44.59 11:30:38 2 36.90 0.00 0.68 0.05 0.09 62.29 11:30:38 3 45.17 0.00 0.55 0.03 0.08 54.17 11:40:09 all 49.97 0.00 0.94 3.05 0.11 45.93 11:40:09 0 54.97 0.00 0.67 1.31 0.13 42.92 11:40:09 1 45.26 0.00 1.19 2.84 0.10 50.61 11:40:09 2 58.01 0.00 1.07 2.83 0.11 37.97 11:40:09 3 41.66 0.00 0.84 5.23 0.10 52.17 Average: all 46.66 0.00 0.77 4.63 0.10 47.84 Average: 0 52.42 0.00 0.65 6.98 0.10 39.85 Average: 1 43.86 0.00 0.89 7.72 0.09 47.43 Average: 2 46.85 0.00 0.86 1.36 0.10 50.83 Average: 3 43.51 0.00 0.69 2.49 0.09 53.23