---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1992 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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: 5600.00 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 12G 144G 8% / 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 895 24856 4 6339 30728 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:c5:5b:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83832sec preferred_lft 83832sec inet6 fe80::f816:3eff:fec5:5b60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:3f:ad:ed:cd:57 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 5.15.0-164-generic (prd-ubuntu2204-docker-8c-8g-1992) 01/19/26 _x86_64_ (8 CPU) 12:59:27 LINUX RESTART (8 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 73.50 10.68 46.58 16.24 1750.07 5245.72 517717.49 13:20:16 28.77 0.14 25.25 3.37 5.56 2900.10 18426.59 13:30:14 36.81 0.01 32.00 4.81 0.08 3091.03 32454.98 13:40:16 27.39 0.14 23.74 3.51 6.38 6572.99 8477.28 Average: 41.54 2.73 31.85 6.96 438.19 4445.67 143572.45 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 26269856 29370784 2946996 8.97 133256 3250848 3409376 10.05 732712 5477348 47968 13:20:16 25422936 29140192 3166528 9.64 170756 3772548 3320588 9.79 892764 6087376 11676 13:30:14 25060764 29367792 2934404 8.93 210848 4269224 2864656 8.45 1041624 6245288 39928 13:40:16 25661924 31658772 635476 1.93 230904 5872728 1226888 3.62 1635164 4957940 8 Average: 25603870 29884385 2420851 7.37 186441 4291337 2705377 7.98 1075566 5691988 24895 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 372.64 372.64 354.66 354.66 0.00 0.00 0.00 0.00 13:10:01 ens3 143.87 105.31 1177.83 21.14 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:16 lo 1269.54 1269.54 1207.67 1207.67 0.00 0.00 0.00 0.00 13:20:16 ens3 56.43 42.72 24.29 16.89 0.00 0.00 0.00 0.00 13:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:14 lo 2031.54 2031.54 1934.34 1934.34 0.00 0.00 0.00 0.00 13:30:14 ens3 55.74 37.80 18.49 15.52 0.00 0.00 0.00 0.00 13:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:16 lo 885.16 885.16 828.54 828.54 0.00 0.00 0.00 0.00 13:40:16 ens3 105.84 100.02 208.27 314.25 0.00 0.00 0.00 0.00 13:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1139.34 1139.34 1080.95 1080.95 0.00 0.00 0.00 0.00 Average: ens3 90.31 71.34 355.53 91.69 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 5.15.0-164-generic (prd-ubuntu2204-docker-8c-8g-1992) 01/19/26 _x86_64_ (8 CPU) 12:59:27 LINUX RESTART (8 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 13.91 0.00 0.83 0.34 0.04 84.87 13:10:01 0 11.89 0.00 0.60 0.14 0.03 87.34 13:10:01 1 14.16 0.00 1.04 0.14 0.04 84.62 13:10:01 2 14.06 0.00 0.66 0.37 0.05 84.86 13:10:01 3 14.96 0.00 0.99 0.32 0.04 83.69 13:10:01 4 18.37 0.00 1.14 0.71 0.04 79.74 13:10:01 5 13.48 0.00 0.73 0.13 0.04 85.63 13:10:01 6 13.20 0.00 0.71 0.17 0.05 85.88 13:10:01 7 11.19 0.00 0.82 0.75 0.04 87.21 13:20:16 all 37.77 0.00 1.55 0.18 0.08 60.42 13:20:16 0 29.39 0.00 1.36 0.14 0.08 69.03 13:20:16 1 39.89 0.00 1.60 0.26 0.08 58.17 13:20:16 2 38.99 0.00 2.11 0.10 0.08 58.73 13:20:16 3 39.44 0.00 1.58 0.07 0.08 58.84 13:20:16 4 39.62 0.00 1.39 0.13 0.07 58.78 13:20:16 5 34.93 0.00 1.40 0.21 0.07 63.38 13:20:16 6 40.04 0.00 1.33 0.40 0.07 58.15 13:20:16 7 39.88 0.00 1.63 0.12 0.08 58.30 13:30:14 all 37.54 0.00 1.82 0.19 0.07 60.39 13:30:14 0 33.27 0.00 1.70 0.21 0.08 64.74 13:30:14 1 36.92 0.00 1.63 0.16 0.07 61.22 13:30:14 2 40.31 0.00 2.34 0.15 0.07 57.12 13:30:14 3 40.09 0.00 1.54 0.17 0.07 58.12 13:30:14 4 39.37 0.00 2.05 0.34 0.07 58.17 13:30:14 5 37.49 0.00 1.89 0.24 0.07 60.31 13:30:14 6 34.90 0.00 1.61 0.10 0.07 63.32 13:30:14 7 37.97 0.00 1.77 0.11 0.07 60.09 13:40:16 all 26.25 0.00 1.24 0.24 0.06 72.21 13:40:16 0 21.21 0.00 1.20 0.50 0.06 77.03 13:40:16 1 26.58 0.00 1.36 0.08 0.07 71.92 13:40:16 2 29.62 0.00 1.39 0.08 0.07 68.83 13:40:16 3 25.71 0.00 1.34 0.09 0.06 72.79 13:40:16 4 24.59 0.00 1.02 0.08 0.07 74.24 13:40:16 5 21.45 0.00 1.10 0.59 0.06 76.80 13:40:16 6 33.06 0.00 1.51 0.42 0.07 64.94 13:40:16 7 27.79 0.00 1.00 0.05 0.06 71.10 Average: all 28.90 0.00 1.36 0.23 0.06 69.44 Average: 0 23.95 0.00 1.22 0.25 0.06 74.52 Average: 1 29.42 0.00 1.41 0.16 0.07 68.95 Average: 2 30.77 0.00 1.62 0.18 0.07 67.36 Average: 3 30.08 0.00 1.36 0.16 0.06 68.33 Average: 4 30.53 0.00 1.40 0.31 0.06 67.70 Average: 5 26.87 0.00 1.28 0.29 0.06 71.50 Average: 6 30.35 0.00 1.29 0.27 0.07 68.02 Average: 7 29.25 0.00 1.31 0.26 0.06 69.13