---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19348 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 13G 65G 17% / 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 664 8309 4 7015 14982 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:73:e5:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83751sec preferred_lft 83751sec inet6 fe80::f816:3eff:fe73:e52f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:73:3a:47:35:01 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-19348) 05/23/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:20 24.85 0.44 21.46 2.95 19.41 2269.21 6374.42 19:30:01 35.01 0.01 31.36 3.65 0.14 2691.44 12058.91 19:40:20 8.03 0.03 7.63 0.37 0.66 3995.16 49980.67 Average: 22.35 0.16 19.90 2.29 6.75 2998.73 23197.47 19:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:20 9440576 13118464 2838924 17.34 142704 3645832 3207180 18.41 709520 5817540 37768 19:30:01 8719008 12819172 3135204 19.15 163036 4018392 3201532 18.38 828276 6396216 31864 19:40:20 6864664 12947224 3000196 18.32 176036 5923336 3031684 17.40 1516540 7481876 880636 Average: 8341416 12961620 2991441 18.27 160592 4529187 3146799 18.06 1018112 6565211 316756 19:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:20 lo 1494.79 1494.79 1418.14 1418.14 0.00 0.00 0.00 0.00 19:20:20 ens3 52.74 40.87 76.14 14.26 0.00 0.00 0.00 0.00 19:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1601.37 1601.37 1526.24 1526.24 0.00 0.00 0.00 0.00 19:30:01 ens3 40.35 31.50 27.09 12.34 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:20 lo 2507.18 2507.18 9015.81 9015.81 0.00 0.00 0.00 0.00 19:40:20 ens3 21.28 17.64 95.65 5.37 0.00 0.00 0.00 0.00 19:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1877.17 1877.17 4064.54 4064.54 0.00 0.00 0.00 0.00 Average: ens3 37.93 29.86 67.02 10.58 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-19348) 05/23/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:19 CPU %user %nice %system %iowait %steal %idle 19:20:20 all 69.48 0.00 2.44 0.07 0.13 27.88 19:20:20 0 67.47 0.00 2.48 0.07 0.13 29.85 19:20:20 1 69.68 0.00 2.28 0.08 0.13 27.82 19:20:20 2 71.03 0.00 2.53 0.07 0.13 26.24 19:20:20 3 69.75 0.00 2.47 0.05 0.13 27.60 19:30:01 all 64.34 0.00 2.66 0.12 0.12 32.77 19:30:01 0 62.45 0.00 2.62 0.11 0.13 34.69 19:30:01 1 64.22 0.00 2.58 0.17 0.12 32.91 19:30:01 2 64.34 0.00 2.74 0.08 0.12 32.71 19:30:01 3 66.33 0.00 2.69 0.10 0.12 30.76 19:40:20 all 31.56 0.00 1.25 0.09 0.10 67.00 19:40:20 0 24.25 0.00 1.22 0.05 0.10 74.39 19:40:20 1 37.36 0.00 1.15 0.19 0.09 61.21 19:40:20 2 31.63 0.00 1.10 0.08 0.09 67.10 19:40:20 3 33.00 0.00 1.52 0.05 0.10 65.32 Average: all 54.77 0.00 2.10 0.09 0.12 42.92 Average: 0 50.98 0.00 2.09 0.08 0.12 46.73 Average: 1 56.78 0.00 1.99 0.15 0.11 40.97 Average: 2 55.32 0.00 2.10 0.08 0.11 42.39 Average: 3 56.01 0.00 2.22 0.07 0.12 41.59