---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8119 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 17G 61G 22% / 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 689 12016 4 3283 14957 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:3c:e3:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82738sec preferred_lft 82738sec inet6 fe80::f816:3eff:fe3c:e3ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:f0:0c:ed:df:b3 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-8119) 12/05/25 _x86_64_ (4 CPU) 13:04:59 LINUX RESTART (4 CPU) 13:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:16 103.67 22.76 76.72 4.19 745.99 13248.79 7155.06 13:30:16 27.28 4.07 22.04 1.17 86.23 853.71 783.29 13:40:16 18.42 0.21 17.41 0.80 10.33 498.43 864.97 13:50:16 4.88 0.01 4.72 0.15 0.96 115.72 41.21 14:00:16 4.56 0.01 4.38 0.18 0.37 118.97 57.01 Average: 32.14 5.50 25.33 1.31 171.83 3021.46 1808.71 13:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:16 2195668 5260892 10671668 65.18 263392 2815844 11643764 66.84 2009292 11603176 396 13:30:16 6264720 9082348 6854124 41.86 266932 2590520 7610764 43.69 2076256 7513380 364 13:40:16 8716960 11597012 4343204 26.53 270076 2649816 5190524 29.79 2097024 5061628 500 13:50:16 8421432 11313452 4626400 28.26 270872 2660980 5365616 30.80 2098584 5343804 380 14:00:16 8419768 11326056 4613756 28.18 271748 2674372 5279248 30.30 2100152 5341820 232 Average: 6803710 9715952 6221830 38.00 268604 2678306 7017983 40.28 2076262 6972762 374 13:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:16 lo 20.04 20.04 16.56 16.56 0.00 0.00 0.00 0.00 13:20:16 ens3 35.55 23.85 616.37 2.69 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 13:30:16 lo 43.46 43.46 18.48 18.48 0.00 0.00 0.00 0.00 13:30:16 ens3 2.04 1.62 0.51 0.44 0.00 0.00 0.00 0.00 13:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:16 lo 20.19 20.19 9.62 9.62 0.00 0.00 0.00 0.00 13:40:16 ens3 1.25 0.82 0.29 0.21 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 13:50:16 lo 20.36 20.36 9.61 9.61 0.00 0.00 0.00 0.00 13:50:16 ens3 1.33 1.01 0.24 1.24 0.00 0.00 0.00 0.00 13:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:16 lo 24.51 24.51 8.33 8.33 0.00 0.00 0.00 0.00 14:00:16 ens3 0.56 0.33 0.12 0.08 0.00 0.00 0.00 0.00 14:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 25.68 25.68 12.54 12.54 0.00 0.00 0.00 0.00 Average: ens3 8.29 5.62 126.11 0.94 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-8119) 12/05/25 _x86_64_ (4 CPU) 13:04:59 LINUX RESTART (4 CPU) 13:10:00 CPU %user %nice %system %iowait %steal %idle 13:20:16 all 50.71 0.00 2.20 0.49 0.12 46.48 13:20:16 0 49.67 0.00 2.05 0.64 0.11 47.53 13:20:16 1 50.21 0.00 2.11 0.32 0.12 47.23 13:20:16 2 52.78 0.00 2.44 0.46 0.12 44.21 13:20:16 3 50.20 0.00 2.20 0.55 0.11 46.93 13:30:16 all 41.54 0.00 1.73 0.10 0.13 56.50 13:30:16 0 41.61 0.00 1.70 0.05 0.13 56.51 13:30:16 1 41.22 0.00 1.52 0.16 0.12 56.97 13:30:16 2 42.32 0.00 1.94 0.07 0.13 55.54 13:30:16 3 41.00 0.00 1.77 0.11 0.13 56.98 13:40:16 all 29.80 0.00 1.22 0.07 0.12 68.79 13:40:16 0 30.37 0.00 1.23 0.09 0.12 68.19 13:40:16 1 30.17 0.00 1.20 0.07 0.12 68.43 13:40:16 2 29.02 0.00 1.28 0.06 0.12 69.51 13:40:16 3 29.64 0.00 1.17 0.05 0.12 69.02 13:50:16 all 8.27 0.00 0.36 0.03 0.12 91.23 13:50:16 0 8.26 0.00 0.39 0.05 0.12 91.19 13:50:16 1 8.27 0.00 0.37 0.02 0.12 91.23 13:50:16 2 8.32 0.00 0.33 0.03 0.13 91.18 13:50:16 3 8.23 0.00 0.36 0.01 0.11 91.29 14:00:16 all 7.80 0.00 0.47 0.03 0.11 91.58 14:00:16 0 8.08 0.00 0.51 0.08 0.12 91.21 14:00:16 1 7.64 0.00 0.40 0.03 0.11 91.82 14:00:16 2 7.38 0.00 0.45 0.01 0.11 92.05 14:00:16 3 8.11 0.00 0.53 0.01 0.11 91.24 Average: all 27.74 0.00 1.20 0.15 0.12 70.79 Average: 0 27.73 0.00 1.18 0.18 0.12 70.79 Average: 1 27.61 0.00 1.12 0.12 0.12 71.02 Average: 2 28.09 0.00 1.30 0.13 0.12 70.37 Average: 3 27.53 0.00 1.21 0.15 0.12 70.99