---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1381 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 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: 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: 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 701 12274 3 3012 14945 Swap: 1023 18 1005 ---> 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:ca:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83660sec preferred_lft 83660sec inet6 fe80::f816:3eff:fe3c:ca25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:30:8c:e6:85:b1 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-16g-1381) 10/23/25 _x86_64_ (4 CPU) 09:06:50 LINUX RESTART (4 CPU) 09:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:06 79.04 4.28 59.41 15.35 710.90 33827.87 225161.67 09:30:09 79.67 30.73 46.36 2.58 481.49 5349.11 3604.87 09:40:01 21.35 0.86 19.53 0.96 14.18 471.60 445.96 09:50:09 8.66 0.36 7.97 0.34 7.95 440.34 220.85 Average: 47.25 9.07 33.36 4.83 304.77 10075.11 57710.53 09:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:06 1910736 13274736 2646196 16.16 254132 10855820 4677488 26.85 2164600 11487672 771012 09:30:09 5316096 7743320 8194536 50.05 259380 2226500 8939092 51.31 1755896 8803496 1424 09:40:01 9023704 11491812 4450500 27.18 263240 2263524 5197036 29.83 1771000 5103292 132 09:50:09 9081676 11642532 4299908 26.26 267228 2352360 5104348 29.30 1782328 5018912 1176 Average: 6333053 11038100 4897785 29.91 260995 4424551 5979491 34.32 1868456 7603343 193436 09:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:06 lo 2.74 2.74 2.31 2.31 0.00 0.00 0.00 0.00 09:20:06 ens3 116.02 91.89 1819.73 9.53 0.00 0.00 0.00 0.00 09:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:09 lo 37.62 37.62 22.74 22.74 0.00 0.00 0.00 0.00 09:30:09 ens3 2.29 2.49 0.57 0.53 0.00 0.00 0.00 0.00 09:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 23.03 23.03 11.07 11.07 0.00 0.00 0.00 0.00 09:40:01 ens3 1.33 1.19 0.32 0.31 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:09 lo 7.55 7.55 5.57 5.57 0.00 0.00 0.00 0.00 09:50:09 ens3 1.09 0.87 0.29 0.28 0.00 0.00 0.00 0.00 09:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.67 17.67 10.40 10.40 0.00 0.00 0.00 0.00 Average: ens3 30.36 24.25 458.08 2.68 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-16g-1381) 10/23/25 _x86_64_ (4 CPU) 09:06:50 LINUX RESTART (4 CPU) 09:10:01 CPU %user %nice %system %iowait %steal %idle 09:20:06 all 41.61 0.00 2.54 11.45 0.14 44.25 09:20:06 0 40.04 0.00 2.39 11.81 0.11 45.65 09:20:06 1 41.20 0.00 2.49 12.97 0.13 43.20 09:20:06 2 42.49 0.00 2.53 11.21 0.13 43.65 09:20:06 3 42.70 0.00 2.76 9.83 0.20 44.51 09:30:09 all 68.59 0.00 2.93 0.59 0.16 27.73 09:30:09 0 67.57 0.00 2.87 0.33 0.16 29.07 09:30:09 1 69.34 0.00 2.89 0.78 0.16 26.82 09:30:09 2 68.73 0.00 2.93 0.58 0.16 27.61 09:30:09 3 68.73 0.00 3.02 0.67 0.17 27.41 09:40:01 all 35.98 0.00 1.35 0.53 0.17 61.97 09:40:01 0 35.94 0.00 1.28 0.13 0.14 62.51 09:40:01 1 35.86 0.00 1.39 0.37 0.22 62.17 09:40:01 2 36.05 0.00 1.35 1.13 0.20 61.27 09:40:01 3 36.06 0.00 1.38 0.51 0.13 61.92 09:50:09 all 12.11 0.00 0.52 0.23 0.07 87.07 09:50:09 0 12.02 0.00 0.55 0.40 0.06 86.96 09:50:09 1 11.90 0.00 0.57 0.22 0.07 87.24 09:50:09 2 13.36 0.00 0.52 0.05 0.07 86.00 09:50:09 3 11.16 0.00 0.45 0.23 0.06 88.09 Average: all 39.54 0.00 1.84 3.22 0.14 55.27 Average: 0 38.85 0.00 1.77 3.19 0.12 56.07 Average: 1 39.54 0.00 1.84 3.60 0.15 54.88 Average: 2 40.13 0.00 1.83 3.25 0.14 54.65 Average: 3 39.63 0.00 1.91 2.83 0.14 55.49