---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17475 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 67G 15% / 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 658 9829 4 5500 14988 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:46:fa:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83592sec preferred_lft 83592sec inet6 fe80::f816:3eff:fe46:fa1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:a1:6e:03:3f:93 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-17475) 05/21/26 _x86_64_ (4 CPU) 18:08:43 LINUX RESTART (4 CPU) 18:10:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:23 2.94 0.25 2.54 0.15 208.12 276.00 237.01 18:30:19 76.98 4.75 65.82 6.41 280.46 5851.48 88027.08 18:40:23 12.85 0.02 10.80 2.03 0.58 719.08 52458.38 18:50:22 33.43 0.18 28.68 4.57 5.75 6066.12 28655.45 Average: 31.45 1.29 26.88 3.28 123.32 3220.23 42292.53 18:10:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:23 13637016 15518352 498388 3.04 55656 2051364 1177716 6.76 256488 2216720 16 18:30:19 10489732 13901712 2058784 12.57 148604 3400296 2413588 13.85 708192 4810316 11944 18:40:23 9532892 13094012 2864536 17.50 155880 3528996 3138436 18.01 737968 5707592 176 18:50:22 7998628 13096404 2853572 17.43 184548 4957172 2929328 16.81 1302440 6589152 10108 Average: 10414567 13902620 2068820 12.64 136172 3484457 2414767 13.86 751272 4830945 5561 18:10:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:23 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 18:20:23 ens3 3.28 1.93 59.17 0.18 0.00 0.00 0.00 0.00 18:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:19 lo 0.78 0.78 0.08 0.08 0.00 0.00 0.00 0.00 18:30:19 ens3 102.47 83.70 919.41 17.64 0.00 0.00 0.00 0.00 18:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:23 lo 49.29 49.29 12.38 12.38 0.00 0.00 0.00 0.00 18:40:23 ens3 5.18 4.66 7.41 1.61 0.00 0.00 0.00 0.00 18:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:22 lo 2065.01 2065.01 1966.69 1966.69 0.00 0.00 0.00 0.00 18:50:22 ens3 71.13 54.90 477.47 14.23 0.00 0.00 0.00 0.00 18:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 528.73 528.73 494.67 494.67 0.00 0.00 0.00 0.00 Average: ens3 45.37 36.18 364.49 8.39 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-17475) 05/21/26 _x86_64_ (4 CPU) 18:08:43 LINUX RESTART (4 CPU) 18:10:23 CPU %user %nice %system %iowait %steal %idle 18:20:23 all 0.11 0.00 0.06 0.13 0.01 99.67 18:20:23 0 0.12 0.00 0.08 0.40 0.01 99.39 18:20:23 1 0.08 0.00 0.06 0.07 0.01 99.78 18:20:23 2 0.10 0.00 0.06 0.03 0.02 99.79 18:20:23 3 0.15 0.00 0.06 0.04 0.01 99.74 18:30:19 all 31.61 0.00 1.45 1.29 0.08 65.57 18:30:19 0 30.38 0.00 1.42 2.04 0.08 66.08 18:30:19 1 32.63 0.00 1.63 1.46 0.08 64.21 18:30:19 2 33.81 0.00 1.44 0.86 0.08 63.81 18:30:19 3 29.63 0.00 1.31 0.79 0.08 68.19 18:40:23 all 17.21 0.00 0.76 0.88 0.09 81.06 18:40:23 0 16.72 0.00 0.78 1.39 0.09 81.01 18:40:23 1 17.08 0.00 0.76 0.56 0.09 81.51 18:40:23 2 17.75 0.00 0.77 1.16 0.09 80.23 18:40:23 3 17.28 0.00 0.74 0.40 0.09 81.49 18:50:22 all 47.42 0.00 2.43 0.92 0.10 49.12 18:50:22 0 46.61 0.00 2.24 1.31 0.10 49.73 18:50:22 1 48.31 0.00 2.81 1.03 0.11 47.74 18:50:22 2 48.62 0.00 2.62 0.47 0.10 48.18 18:50:22 3 46.15 0.00 2.04 0.88 0.09 50.84 Average: all 24.04 0.00 1.17 0.80 0.07 73.91 Average: 0 23.41 0.00 1.13 1.29 0.07 74.10 Average: 1 24.48 0.00 1.31 0.78 0.07 73.36 Average: 2 25.03 0.00 1.22 0.63 0.07 73.05 Average: 3 23.26 0.00 1.03 0.53 0.07 75.11