---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65108 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 641 8696 4 6651 15005 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:66:d1:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83729sec preferred_lft 83729sec inet6 fe80::f816:3eff:fe66:d1e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:91:bf:5a:e9:a8 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-65108) 04/01/26 _x86_64_ (4 CPU) 12:46:39 LINUX RESTART (4 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:25 20.65 2.91 16.07 1.67 157.92 3036.28 3374.98 13:10:07 25.93 0.03 23.10 2.81 0.63 2334.06 8989.32 13:20:02 26.55 0.04 23.97 2.54 0.74 4060.75 8608.98 13:30:06 26.08 0.30 10.83 14.94 11.93 6238.22 245421.32 Average: 24.75 0.85 18.40 5.50 44.32 3924.75 66901.79 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:25 10258060 13575372 2384632 14.56 127224 3338692 2619604 15.04 609488 5152504 18752 13:10:07 9528052 13285576 2669184 16.30 151388 3713880 2761200 15.85 754572 5657984 13260 13:20:02 5954280 10701296 5249956 32.06 165780 4645788 5211908 29.92 1036076 8911648 29704 13:30:06 9028664 15479932 465420 2.84 180304 6280348 985716 5.66 1669712 5138624 148 Average: 8692264 13260544 2692298 16.44 156174 4494677 2894607 16.62 1017462 6215190 15466 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:25 lo 687.97 687.97 655.45 655.45 0.00 0.00 0.00 0.00 13:00:25 ens3 110.39 79.38 1006.42 14.93 0.00 0.00 0.00 0.00 13:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:07 lo 1400.38 1400.38 1328.35 1328.35 0.00 0.00 0.00 0.00 13:10:07 ens3 44.17 33.36 23.11 11.22 0.00 0.00 0.00 0.00 13:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:02 lo 1061.10 1061.10 1050.46 1050.46 0.00 0.00 0.00 0.00 13:20:02 ens3 41.70 33.32 48.86 11.04 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:06 lo 2423.31 2423.31 9160.37 9160.37 0.00 0.00 0.00 0.00 13:30:06 ens3 81.30 94.51 145.25 1025.94 0.00 0.00 0.00 0.00 13:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1388.96 1388.96 3054.86 3054.86 0.00 0.00 0.00 0.00 Average: ens3 70.08 60.67 315.36 267.34 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-65108) 04/01/26 _x86_64_ (4 CPU) 12:46:39 LINUX RESTART (4 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:25 all 31.68 0.00 1.44 0.09 0.05 66.74 13:00:25 0 31.68 0.00 1.08 0.08 0.05 67.11 13:00:25 1 32.21 0.00 1.32 0.09 0.05 66.33 13:00:25 2 32.01 0.00 1.59 0.12 0.06 66.23 13:00:25 3 30.81 0.00 1.79 0.07 0.06 67.27 13:10:07 all 66.93 0.00 2.38 0.06 0.09 30.54 13:10:07 0 67.06 0.00 2.11 0.07 0.09 30.67 13:10:07 1 67.81 0.00 2.39 0.06 0.09 29.65 13:10:07 2 66.48 0.00 2.65 0.07 0.09 30.71 13:10:07 3 66.37 0.00 2.36 0.05 0.09 31.13 13:20:02 all 54.55 0.00 2.16 0.15 0.09 43.05 13:20:02 0 57.06 0.00 2.01 0.15 0.10 40.68 13:20:02 1 53.21 0.00 2.32 0.17 0.09 44.20 13:20:02 2 51.76 0.00 1.99 0.20 0.09 45.96 13:20:02 3 56.15 0.00 2.33 0.08 0.09 41.35 13:30:06 all 28.19 0.00 1.11 0.14 0.07 70.49 13:30:06 0 27.04 0.00 1.61 0.10 0.07 71.19 13:30:06 1 22.00 0.00 0.94 0.17 0.06 76.82 13:30:06 2 38.19 0.00 0.91 0.09 0.07 60.73 13:30:06 3 25.52 0.00 1.00 0.21 0.06 73.20 Average: all 44.97 0.00 1.76 0.11 0.08 53.08 Average: 0 45.33 0.00 1.69 0.10 0.08 52.80 Average: 1 43.45 0.00 1.73 0.12 0.07 54.62 Average: 2 46.78 0.00 1.77 0.12 0.08 51.26 Average: 3 44.32 0.00 1.86 0.10 0.08 53.64