---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18985 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 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 627 10228 4 5133 15018 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:ad:b7:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84811sec preferred_lft 84811sec inet6 fe80::f816:3eff:fead:b78b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:25:63:ed:57:6b 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-18985) 02/19/26 _x86_64_ (4 CPU) 15:38:07 LINUX RESTART (4 CPU) 15:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 15.53 2.69 12.13 0.71 741.69 3467.78 33235.39 16:00:18 8.66 0.52 7.65 0.49 18.88 1577.55 1364.12 Average: 12.05 1.59 9.86 0.60 375.38 2509.83 17083.35 15:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 9031564 12345792 3615156 22.08 118820 3354988 3813580 21.89 691420 6302836 1476 16:00:18 9474868 13330752 2626840 16.04 137872 3845692 2832436 16.26 831708 5681164 114836 Average: 9253216 12838272 3120998 19.06 128346 3600340 3323008 19.07 761564 5992000 58156 15:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 0.72 0.72 0.40 0.40 0.00 0.00 0.00 0.00 15:50:01 ens3 72.87 56.55 971.67 8.42 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:18 lo 181.85 181.85 172.89 172.89 0.00 0.00 0.00 0.00 16:00:18 ens3 34.21 24.20 398.75 4.00 0.00 0.00 0.00 0.00 16:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 92.52 92.52 87.81 87.81 0.00 0.00 0.00 0.00 Average: ens3 53.28 40.15 681.32 6.18 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-18985) 02/19/26 _x86_64_ (4 CPU) 15:38:07 LINUX RESTART (4 CPU) 15:40:01 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 52.42 0.00 1.10 0.13 0.08 46.27 15:50:01 0 54.96 0.00 1.18 0.15 0.08 43.63 15:50:01 1 48.61 0.00 0.97 0.16 0.07 50.19 15:50:01 2 46.74 0.00 1.18 0.17 0.08 51.83 15:50:01 3 59.36 0.00 1.08 0.05 0.08 39.43 16:00:18 all 47.37 0.00 0.84 0.05 0.08 51.67 16:00:18 0 36.29 0.00 0.87 0.05 0.08 62.71 16:00:18 1 30.94 0.00 0.60 0.02 0.07 68.37 16:00:18 2 73.15 0.00 1.05 0.03 0.09 25.68 16:00:18 3 49.19 0.00 0.82 0.09 0.09 49.81 Average: all 49.86 0.00 0.97 0.09 0.08 49.01 Average: 0 45.51 0.00 1.02 0.10 0.08 53.29 Average: 1 39.64 0.00 0.78 0.09 0.07 59.42 Average: 2 60.13 0.00 1.12 0.10 0.08 38.58 Average: 3 54.21 0.00 0.95 0.07 0.08 44.69