---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10151 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 12G 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 676 8653 4 6659 14970 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:65:44:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82710sec preferred_lft 82710sec inet6 fe80::f816:3eff:fe65:443d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:03:de:a9:99:72 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-10151) 02/13/26 _x86_64_ (4 CPU) 10:48:00 LINUX RESTART (4 CPU) 10:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 5.03 0.57 4.12 0.34 612.15 663.45 11507.30 11:10:06 1.39 0.00 1.39 0.00 0.04 15.78 0.00 11:20:06 25.59 2.17 22.82 0.59 127.67 2066.50 836.40 11:30:02 45.58 2.97 26.53 16.08 162.70 3854.19 252305.54 11:40:25 30.52 0.02 27.28 3.22 0.28 2538.66 17863.06 Average: 21.65 1.14 16.49 4.02 178.34 1828.70 55853.85 10:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 13430656 15511704 502808 3.07 58560 2246656 1138304 6.53 397372 2289396 204 11:10:06 13430656 15512460 502020 3.07 59140 2246808 1138368 6.53 397960 2291452 276 11:20:06 12860380 15493496 486444 2.97 96932 2730528 982368 5.64 515108 2674560 312 11:30:02 9476832 13152616 2805540 17.14 140716 3664448 2864928 16.44 869800 5633680 26936 11:40:25 8745412 12893700 3061044 18.70 161204 4081324 3079776 17.68 997656 6202504 27780 Average: 11588787 14512795 1471571 8.99 103310 2993953 1840749 10.57 635579 3818318 11102 10:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 11:00:01 ens3 9.34 4.97 186.89 0.37 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:06 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 11:10:06 ens3 0.48 0.15 0.10 0.06 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:06 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 11:20:06 ens3 45.37 32.14 290.39 7.44 0.00 0.00 0.00 0.00 11:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:02 lo 1425.53 1425.53 1351.04 1351.04 0.00 0.00 0.00 0.00 11:30:02 ens3 132.14 97.75 980.58 19.84 0.00 0.00 0.00 0.00 11:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:25 lo 1307.19 1307.19 1244.46 1244.46 0.00 0.00 0.00 0.00 11:40:25 ens3 50.13 38.72 55.36 13.29 0.00 0.00 0.00 0.00 11:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 551.00 551.00 523.27 523.27 0.00 0.00 0.00 0.00 Average: ens3 47.35 34.66 299.33 8.22 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-10151) 02/13/26 _x86_64_ (4 CPU) 10:48:00 LINUX RESTART (4 CPU) 10:50:05 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 0.44 0.00 0.13 0.10 0.01 99.32 11:00:01 0 0.51 0.00 0.09 0.06 0.01 99.33 11:00:01 1 0.64 0.00 0.16 0.04 0.02 99.15 11:00:01 2 0.35 0.00 0.15 0.27 0.02 99.21 11:00:01 3 0.26 0.00 0.12 0.02 0.01 99.59 11:10:06 all 0.16 0.00 0.02 0.01 0.01 99.79 11:10:06 0 0.04 0.00 0.01 0.00 0.00 99.94 11:10:06 1 0.02 0.00 0.02 0.02 0.01 99.92 11:10:06 2 0.50 0.00 0.04 0.01 0.02 99.43 11:10:06 3 0.09 0.00 0.03 0.00 0.01 99.87 11:20:06 all 2.54 0.00 0.30 0.22 0.02 96.92 11:20:06 0 4.15 0.00 0.36 0.08 0.02 95.40 11:20:06 1 1.39 0.00 0.27 0.45 0.02 97.87 11:20:06 2 3.14 0.00 0.35 0.09 0.03 96.40 11:20:06 3 1.49 0.00 0.23 0.25 0.02 98.01 11:30:02 all 57.80 0.00 2.30 0.08 0.11 39.71 11:30:02 0 57.07 0.00 2.17 0.09 0.12 40.55 11:30:02 1 58.08 0.00 2.19 0.05 0.11 39.57 11:30:02 2 59.49 0.00 2.44 0.09 0.11 37.86 11:30:02 3 56.57 0.00 2.38 0.09 0.11 40.85 11:40:25 all 63.09 0.00 2.40 0.06 0.11 34.34 11:40:25 0 62.08 0.00 2.51 0.10 0.11 35.21 11:40:25 1 66.07 0.00 2.52 0.05 0.11 31.25 11:40:25 2 61.34 0.00 2.16 0.06 0.11 36.33 11:40:25 3 62.88 0.00 2.41 0.04 0.11 34.56 Average: all 24.99 0.00 1.04 0.09 0.05 73.82 Average: 0 24.95 0.00 1.04 0.07 0.05 73.90 Average: 1 25.45 0.00 1.04 0.12 0.05 73.34 Average: 2 25.13 0.00 1.03 0.11 0.06 73.67 Average: 3 24.44 0.00 1.04 0.08 0.05 74.39