---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4543 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): 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 18G 61G 23% / 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 719 11423 3 3846 14923 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:5b:70:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80712sec preferred_lft 80712sec inet6 fe80::f816:3eff:fe5b:708a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:1f:69:9b:4b:b4 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-4c-16g-4543) 01/26/26 _x86_64_ (4 CPU) 12:04:52 LINUX RESTART (4 CPU) 12:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:04 109.46 4.20 100.52 4.74 228.59 31308.14 22674.28 12:30:23 47.63 22.44 23.91 1.29 231.54 1498.71 1539.03 12:40:23 15.65 0.31 14.65 0.69 10.49 641.24 849.32 12:50:23 14.23 0.02 13.62 0.60 0.96 361.15 282.33 13:00:23 5.28 0.01 5.11 0.17 0.25 126.23 67.76 13:10:23 4.70 0.03 4.51 0.17 1.57 129.31 63.09 13:20:23 5.42 0.01 5.26 0.16 0.43 140.69 59.13 13:30:23 11.61 0.10 11.01 0.50 2.73 616.12 329.33 Average: 26.84 3.47 22.33 1.04 60.28 4342.36 3227.07 12:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:04 1744152 5863780 10065364 61.48 255848 3781124 11238468 64.51 2150612 11827800 75816 12:30:23 4862788 7745544 8188504 50.01 263312 2663768 9247296 53.08 2239804 8759748 436 12:40:23 10649120 13643812 2294356 14.01 268216 2770900 3028924 17.39 2286056 2951268 124 12:50:23 8375904 11409520 4527416 27.65 270380 2807624 5256048 30.17 2291056 5202048 44 13:00:23 8265232 11311888 4624888 28.25 271052 2820008 5299156 30.42 2292416 5299028 312 13:10:23 6765620 9828180 6108000 37.31 271548 2835412 6747652 38.73 2294360 6803164 240 13:20:23 6816244 9894872 6041104 36.90 272044 2851000 6719064 38.57 2297452 6758192 296 13:30:23 8064624 11270528 4666292 28.50 276096 2974288 5294324 30.39 2314268 5499720 160 Average: 6942960 10121016 5814490 35.51 268562 2938016 6603866 37.91 2270753 6637621 9678 12:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:04 lo 13.26 13.26 12.14 12.14 0.00 0.00 0.00 0.00 12:20:04 ens3 49.06 37.61 787.79 4.23 0.00 0.00 0.00 0.00 12:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:23 lo 35.45 35.45 17.45 17.45 0.00 0.00 0.00 0.00 12:30:23 ens3 1.90 1.58 0.35 1.11 0.00 0.00 0.00 0.00 12:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:23 lo 26.06 26.06 9.90 9.90 0.00 0.00 0.00 0.00 12:40:23 ens3 1.40 1.01 0.35 0.30 0.00 0.00 0.00 0.00 12:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:23 lo 19.91 19.91 10.59 10.59 0.00 0.00 0.00 0.00 12:50:23 ens3 0.94 0.70 0.20 0.15 0.00 0.00 0.00 0.00 12:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:23 lo 23.05 23.05 9.09 9.09 0.00 0.00 0.00 0.00 13:00:23 ens3 0.80 0.54 0.19 0.14 0.00 0.00 0.00 0.00 13:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:23 lo 25.33 25.33 11.19 11.19 0.00 0.00 0.00 0.00 13:10:23 ens3 0.68 0.48 0.15 0.11 0.00 0.00 0.00 0.00 13:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:23 lo 17.73 17.73 10.57 10.57 0.00 0.00 0.00 0.00 13:20:23 ens3 0.76 0.62 0.16 0.13 0.00 0.00 0.00 0.00 13:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:23 lo 18.50 18.50 10.15 10.15 0.00 0.00 0.00 0.00 13:30:23 ens3 1.21 0.90 0.35 0.27 0.00 0.00 0.00 0.00 13:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.46 22.46 11.41 11.41 0.00 0.00 0.00 0.00 Average: ens3 7.07 5.42 98.32 0.81 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-4c-16g-4543) 01/26/26 _x86_64_ (4 CPU) 12:04:52 LINUX RESTART (4 CPU) 12:10:03 CPU %user %nice %system %iowait %steal %idle 12:20:04 all 51.68 0.00 2.36 1.07 0.11 44.78 12:20:04 0 53.19 0.00 2.48 0.71 0.10 43.51 12:20:04 1 52.41 0.00 2.28 0.94 0.10 44.27 12:20:04 2 50.83 0.00 2.35 0.69 0.11 46.02 12:20:04 3 50.29 0.00 2.35 1.94 0.11 45.31 12:30:23 all 41.58 0.00 1.66 0.12 0.11 56.53 12:30:23 0 42.16 0.00 1.83 0.10 0.11 55.80 12:30:23 1 42.36 0.00 1.50 0.17 0.10 55.88 12:30:23 2 40.40 0.00 1.73 0.17 0.11 57.60 12:30:23 3 41.41 0.00 1.58 0.06 0.10 56.84 12:40:23 all 23.30 0.00 1.09 0.05 0.09 75.46 12:40:23 0 22.56 0.00 1.03 0.02 0.10 76.30 12:40:23 1 23.27 0.00 1.07 0.06 0.09 75.51 12:40:23 2 24.21 0.00 1.11 0.05 0.10 74.53 12:40:23 3 23.14 0.00 1.16 0.08 0.10 75.52 12:50:23 all 24.27 0.00 0.79 0.04 0.09 74.82 12:50:23 0 24.78 0.00 0.65 0.03 0.09 74.46 12:50:23 1 23.98 0.00 0.77 0.07 0.09 75.08 12:50:23 2 24.78 0.00 0.77 0.03 0.09 74.33 12:50:23 3 23.52 0.00 0.98 0.02 0.09 75.40 13:00:23 all 8.07 0.00 0.44 0.02 0.07 91.40 13:00:23 0 7.79 0.00 0.50 0.01 0.07 91.64 13:00:23 1 8.12 0.00 0.41 0.01 0.07 91.39 13:00:23 2 8.06 0.00 0.47 0.05 0.08 91.35 13:00:23 3 8.31 0.00 0.39 0.01 0.07 91.22 13:10:23 all 9.81 0.00 0.53 0.04 0.08 89.54 13:10:23 0 10.01 0.00 0.41 0.01 0.07 89.50 13:10:23 1 10.01 0.00 0.56 0.05 0.08 89.31 13:10:23 2 9.51 0.00 0.55 0.05 0.08 89.82 13:10:23 3 9.72 0.00 0.62 0.05 0.08 89.53 13:20:23 all 9.44 0.00 0.52 0.02 0.07 89.95 13:20:23 0 9.61 0.00 0.47 0.01 0.07 89.85 13:20:23 1 9.20 0.00 0.59 0.01 0.08 90.13 13:20:23 2 9.53 0.00 0.49 0.02 0.08 89.89 13:20:23 3 9.43 0.00 0.53 0.05 0.07 89.92 13:30:23 all 18.89 0.00 0.74 0.05 0.09 80.23 13:30:23 0 18.71 0.00 0.64 0.03 0.09 80.54 13:30:23 1 18.75 0.00 0.74 0.02 0.09 80.41 13:30:23 2 19.31 0.00 0.79 0.03 0.09 79.79 13:30:23 3 18.79 0.00 0.79 0.15 0.09 80.19 Average: all 23.44 0.00 1.02 0.18 0.09 75.28 Average: 0 23.66 0.00 1.00 0.11 0.09 75.14 Average: 1 23.57 0.00 0.99 0.16 0.09 75.19 Average: 2 23.38 0.00 1.03 0.13 0.09 75.36 Average: 3 23.14 0.00 1.05 0.29 0.09 75.43