---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10498 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 13G 66G 16% / 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 636 8580 4 6771 15009 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:1f:dd:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83962sec preferred_lft 83962sec inet6 fe80::f816:3eff:fe1f:dd0e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:07:57:92:3b:ad 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-10498) 02/14/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:18 31.89 2.95 25.94 2.99 161.66 4048.86 19012.42 19:30:18 31.02 0.00 27.85 3.17 0.09 2488.56 23483.66 19:40:11 15.78 0.14 13.99 1.66 6.67 9010.87 4707.28 Average: 26.27 1.03 22.63 2.61 56.33 5166.82 15780.36 19:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:18 9736880 13500840 2456876 15.01 140812 3746348 2766608 15.88 877972 5371544 24152 19:30:18 9112844 13297260 2656820 16.23 163016 4110136 2731860 15.68 993024 5823824 30592 19:40:11 8799296 15372136 573524 3.50 177268 6407408 1100852 6.32 1812236 5215652 44 Average: 9216340 14056745 1895740 11.58 160365 4754631 2199773 12.63 1227744 5470340 18263 19:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:18 lo 1578.57 1578.57 1497.95 1497.95 0.00 0.00 0.00 0.00 19:20:18 ens3 126.56 98.25 945.74 20.65 0.00 0.00 0.00 0.00 19:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:18 lo 1509.12 1509.12 1437.73 1437.73 0.00 0.00 0.00 0.00 19:30:18 ens3 45.95 34.01 25.69 10.98 0.00 0.00 0.00 0.00 19:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:11 lo 353.57 353.57 7022.56 7022.56 0.00 0.00 0.00 0.00 19:40:11 ens3 75.81 83.63 115.43 1008.43 0.00 0.00 0.00 0.00 19:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1150.35 1150.35 3304.14 3304.14 0.00 0.00 0.00 0.00 Average: ens3 82.79 71.91 363.22 343.96 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-10498) 02/14/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:18 CPU %user %nice %system %iowait %steal %idle 19:20:18 all 67.62 0.00 2.53 0.16 0.09 29.60 19:20:18 0 66.09 0.00 2.57 0.26 0.09 30.98 19:20:18 1 68.96 0.00 2.58 0.11 0.09 28.25 19:20:18 2 68.34 0.00 2.76 0.15 0.09 28.65 19:20:18 3 67.07 0.00 2.21 0.11 0.09 30.52 19:30:18 all 65.48 0.00 2.41 0.14 0.09 31.87 19:30:18 0 63.73 0.00 1.98 0.10 0.09 34.10 19:30:18 1 64.78 0.00 2.37 0.20 0.10 32.54 19:30:18 2 66.87 0.00 2.70 0.16 0.10 30.18 19:30:18 3 66.54 0.00 2.60 0.10 0.09 30.68 19:40:11 all 35.53 0.00 1.18 0.29 0.08 62.91 19:40:11 0 39.75 0.00 1.17 0.10 0.08 58.90 19:40:11 1 29.88 0.00 1.15 0.62 0.08 68.28 19:40:11 2 32.10 0.00 1.10 0.30 0.07 66.43 19:40:11 3 40.42 0.00 1.32 0.15 0.07 58.04 Average: all 56.27 0.00 2.05 0.20 0.09 41.40 Average: 0 56.57 0.00 1.91 0.16 0.09 41.27 Average: 1 54.62 0.00 2.04 0.31 0.09 42.94 Average: 2 55.83 0.00 2.19 0.20 0.09 41.69 Average: 3 58.06 0.00 2.04 0.12 0.09 39.69