---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19430 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 11G 145G 7% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 693 26851 4 4547 30931 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:6b:91:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81995sec preferred_lft 81995sec inet6 fe80::f816:3eff:fe6b:91d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:4b:ac:7f:74:03 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-8c-8g-19430) 02/20/26 _x86_64_ (8 CPU) 20:42:06 LINUX RESTART (8 CPU) 20:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:01 1.49 0.01 1.48 0.01 0.04 17.66 0.57 21:10:11 1.45 0.00 1.45 0.00 0.00 16.71 0.00 21:20:12 1.43 0.00 1.42 0.00 0.01 16.36 0.00 21:30:01 47.39 2.25 30.42 14.71 125.20 1572.66 524377.19 21:40:00 32.82 2.54 27.73 2.55 143.95 4899.21 4102.98 21:50:13 38.89 0.01 33.68 5.19 0.07 2663.16 22305.12 Average: 20.55 0.79 16.04 3.71 44.43 1533.65 90191.08 20:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 30212400 31893676 490836 1.49 62192 1956212 1503300 4.43 207616 2152452 8 21:10:11 30211420 31893296 491240 1.49 62768 1956220 1503300 4.43 208196 2154752 32 21:20:12 30210948 31893372 490912 1.49 63332 1956228 1503556 4.43 208712 2155272 32 21:30:01 29187532 31469452 876576 2.67 106784 2479584 1549444 4.57 352764 2963628 198408 21:40:00 26187184 29606164 2702936 8.22 166276 3485812 2834200 8.36 712068 5510392 17940 21:50:13 25666448 29496692 2808816 8.55 197428 3828484 3484868 10.28 825060 5885504 17384 Average: 28612655 31042109 1310219 3.99 109797 2610423 2063111 6.08 419069 3470333 38967 20:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:00:01 ens3 0.23 0.08 0.04 0.02 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:11 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 21:10:11 ens3 0.25 0.12 0.07 0.04 0.00 0.00 0.00 0.00 21:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:20:12 ens3 0.23 0.09 0.05 0.02 0.00 0.00 0.00 0.00 21:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 0.26 0.26 0.03 0.03 0.00 0.00 0.00 0.00 21:30:01 ens3 44.06 30.40 313.29 7.27 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:00 lo 1013.13 1013.13 963.02 963.02 0.00 0.00 0.00 0.00 21:40:00 ens3 77.75 61.45 696.12 12.32 0.00 0.00 0.00 0.00 21:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:13 lo 2145.97 2145.97 2043.70 2043.70 0.00 0.00 0.00 0.00 21:50:13 ens3 19.27 17.01 9.10 6.21 0.00 0.00 0.00 0.00 21:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 533.82 533.82 508.00 508.00 0.00 0.00 0.00 0.00 Average: ens3 23.53 18.13 168.57 4.31 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-8c-8g-19430) 02/20/26 _x86_64_ (8 CPU) 20:42:06 LINUX RESTART (8 CPU) 20:50:10 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 0.08 0.00 0.01 0.01 0.01 99.89 21:00:01 0 0.01 0.00 0.01 0.00 0.00 99.98 21:00:01 1 0.02 0.00 0.03 0.04 0.01 99.91 21:00:01 2 0.55 0.00 0.03 0.00 0.02 99.41 21:00:01 3 0.02 0.00 0.02 0.00 0.01 99.95 21:00:01 4 0.00 0.00 0.01 0.00 0.00 99.99 21:00:01 5 0.02 0.00 0.02 0.00 0.02 99.94 21:00:01 6 0.00 0.00 0.01 0.00 0.01 99.98 21:00:01 7 0.01 0.00 0.01 0.00 0.00 99.98 21:10:11 all 0.12 0.00 0.01 0.01 0.01 99.85 21:10:11 0 0.01 0.00 0.01 0.00 0.01 99.97 21:10:11 1 0.30 0.00 0.02 0.04 0.01 99.63 21:10:11 2 0.59 0.00 0.02 0.00 0.02 99.37 21:10:11 3 0.01 0.00 0.01 0.00 0.00 99.98 21:10:11 4 0.01 0.00 0.01 0.00 0.01 99.97 21:10:11 5 0.02 0.00 0.01 0.00 0.01 99.96 21:10:11 6 0.01 0.00 0.01 0.00 0.02 99.96 21:10:11 7 0.00 0.00 0.00 0.00 0.00 100.00 21:20:12 all 0.06 0.00 0.01 0.01 0.01 99.91 21:20:12 0 0.01 0.00 0.00 0.00 0.01 99.98 21:20:12 1 0.12 0.00 0.03 0.04 0.01 99.79 21:20:12 2 0.18 0.00 0.01 0.00 0.01 99.80 21:20:12 3 0.02 0.00 0.01 0.00 0.00 99.97 21:20:12 4 0.01 0.00 0.00 0.00 0.00 99.98 21:20:12 5 0.02 0.00 0.04 0.00 0.03 99.90 21:20:12 6 0.10 0.00 0.00 0.00 0.01 99.88 21:20:12 7 0.00 0.00 0.00 0.00 0.00 100.00 21:30:01 all 1.64 0.00 0.18 0.15 0.01 98.02 21:30:01 0 1.20 0.00 0.09 0.01 0.01 98.68 21:30:01 1 0.49 0.00 0.12 0.43 0.01 98.95 21:30:01 2 0.84 0.00 0.17 0.36 0.02 98.60 21:30:01 3 3.57 0.00 0.27 0.07 0.01 96.08 21:30:01 4 0.75 0.00 0.15 0.03 0.03 99.04 21:30:01 5 1.85 0.00 0.19 0.03 0.01 97.92 21:30:01 6 3.67 0.00 0.29 0.08 0.02 95.94 21:30:01 7 0.72 0.00 0.13 0.21 0.01 98.93 21:40:00 all 40.44 0.00 1.65 0.09 0.09 57.74 21:40:00 0 36.07 0.00 1.33 0.06 0.08 62.45 21:40:00 1 45.78 0.00 2.14 0.16 0.09 51.83 21:40:00 2 43.58 0.00 1.89 0.06 0.09 54.37 21:40:00 3 41.53 0.00 1.65 0.05 0.09 56.67 21:40:00 4 40.50 0.00 1.58 0.10 0.08 57.74 21:40:00 5 39.11 0.00 1.35 0.05 0.09 59.40 21:40:00 6 41.00 0.00 1.79 0.15 0.09 56.96 21:40:00 7 35.98 0.00 1.45 0.05 0.08 62.45 21:50:13 all 35.47 0.00 1.85 0.10 0.08 62.51 21:50:13 0 35.39 0.00 2.17 0.08 0.08 62.28 21:50:13 1 36.16 0.00 1.85 0.07 0.08 61.84 21:50:13 2 37.43 0.00 1.86 0.14 0.09 60.49 21:50:13 3 35.75 0.00 1.68 0.12 0.08 62.37 21:50:13 4 35.51 0.00 1.85 0.14 0.08 62.42 21:50:13 5 36.03 0.00 2.06 0.08 0.08 61.75 21:50:13 6 34.96 0.00 1.80 0.07 0.08 63.09 21:50:13 7 32.54 0.00 1.50 0.08 0.07 65.80 Average: all 13.04 0.00 0.62 0.06 0.04 86.25 Average: 0 12.20 0.00 0.61 0.03 0.03 87.14 Average: 1 13.90 0.00 0.70 0.13 0.04 85.24 Average: 2 13.93 0.00 0.67 0.09 0.04 85.27 Average: 3 13.55 0.00 0.61 0.04 0.03 85.77 Average: 4 12.86 0.00 0.60 0.05 0.04 86.45 Average: 5 12.91 0.00 0.62 0.03 0.04 86.40 Average: 6 13.34 0.00 0.65 0.05 0.04 85.92 Average: 7 11.62 0.00 0.52 0.06 0.03 87.78