---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53804 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 640 8616 4 6732 15006 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:4d:69:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83810sec preferred_lft 83810sec inet6 fe80::f816:3eff:fe4d:6966/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:f7:fa:64:86:10 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53804) 03/28/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:09 26.32 3.00 20.82 2.50 163.42 3730.60 4482.61 19:30:01 24.91 0.01 22.28 2.62 0.16 2246.66 11663.58 19:40:17 23.00 0.03 20.43 2.54 0.82 8870.93 9590.62 Average: 24.72 1.00 21.16 2.55 54.03 5004.08 8593.86 19:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:09 9801044 13387544 2570804 15.70 142300 3558444 2912168 16.72 742704 5425032 21944 19:30:01 8928016 12924212 3030436 18.51 166132 3909636 2956784 16.97 867824 6131300 13852 19:40:17 8911372 15436836 509716 3.11 187536 6331972 1024952 5.88 1738572 5179428 43572 Average: 9213477 13916197 2036985 12.44 165323 4600017 2297968 13.19 1116367 5578587 26456 19:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:09 lo 1377.36 1377.36 1306.47 1306.47 0.00 0.00 0.00 0.00 19:20:09 ens3 122.60 95.11 965.61 20.21 0.00 0.00 0.00 0.00 19:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1152.99 1152.99 1098.20 1098.20 0.00 0.00 0.00 0.00 19:30:01 ens3 37.29 30.34 43.41 10.85 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:17 lo 771.88 771.88 7170.86 7170.86 0.00 0.00 0.00 0.00 19:40:17 ens3 40.21 34.14 136.80 10.26 0.00 0.00 0.00 0.00 19:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1096.12 1096.12 3247.47 3247.47 0.00 0.00 0.00 0.00 Average: ens3 66.32 52.92 378.41 13.72 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53804) 03/28/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:18 CPU %user %nice %system %iowait %steal %idle 19:20:09 all 51.90 0.00 2.15 0.41 0.07 45.47 19:20:09 0 51.55 0.00 2.23 0.32 0.07 45.83 19:20:09 1 51.67 0.00 2.03 0.92 0.07 45.30 19:20:09 2 51.92 0.00 2.20 0.25 0.08 45.55 19:20:09 3 52.46 0.00 2.13 0.15 0.07 45.18 19:30:01 all 67.09 0.00 2.30 0.06 0.09 30.46 19:30:01 0 67.78 0.00 2.30 0.10 0.10 29.73 19:30:01 1 67.35 0.00 2.26 0.05 0.09 30.26 19:30:01 2 68.24 0.00 2.31 0.05 0.10 29.31 19:30:01 3 64.98 0.00 2.35 0.05 0.10 32.52 19:40:17 all 46.18 0.00 1.79 0.18 0.08 51.77 19:40:17 0 50.58 0.00 1.54 0.17 0.07 47.64 19:40:17 1 46.70 0.00 1.90 0.05 0.08 51.26 19:40:17 2 43.46 0.00 1.81 0.34 0.07 54.32 19:40:17 3 43.99 0.00 1.89 0.15 0.08 53.88 Average: all 54.93 0.00 2.07 0.22 0.08 42.70 Average: 0 56.55 0.00 2.01 0.20 0.08 41.16 Average: 1 55.12 0.00 2.06 0.34 0.08 42.40 Average: 2 54.38 0.00 2.10 0.22 0.08 43.22 Average: 3 53.67 0.00 2.12 0.12 0.08 44.01