---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39129 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 688 8215 4 7084 14958 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:cd:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83748sec preferred_lft 83748sec inet6 fe80::f816:3eff:fe5b:cd8c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:e2:5e:02:d5:8b 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39129) 08/20/26 _x86_64_ (4 CPU) 19:01:23 LINUX RESTART (4 CPU) 19:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:14 24.17 0.33 20.94 2.90 16.45 2329.35 19424.42 19:30:14 48.36 0.02 30.79 17.55 0.64 2721.79 271748.66 19:40:14 10.38 0.03 9.98 0.38 0.63 7241.87 52163.86 Average: 27.64 0.12 20.57 6.95 5.90 4096.65 114504.97 19:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:14 9399252 13133340 2823856 17.25 145808 3694016 3162908 18.16 710320 5862480 32904 19:30:14 8729576 13043700 2910560 17.78 167300 4219756 2935804 16.85 847000 6348216 155404 19:40:14 6528648 13027540 2919092 17.83 183240 6316808 2958556 16.98 1650920 7667780 274748 Average: 8219159 13068193 2884503 17.62 165449 4743527 3019089 17.33 1069413 6626159 154352 19:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:14 lo 1481.28 1481.28 1404.96 1404.96 0.00 0.00 0.00 0.00 19:20:14 ens3 55.91 43.41 75.23 14.31 0.00 0.00 0.00 0.00 19:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:14 lo 1513.32 1513.32 1441.59 1441.59 0.00 0.00 0.00 0.00 19:30:14 ens3 47.47 36.00 27.44 12.75 0.00 0.00 0.00 0.00 19:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:14 lo 2576.20 2576.20 9304.09 9304.09 0.00 0.00 0.00 0.00 19:40:14 ens3 20.89 18.12 93.76 4.77 0.00 0.00 0.00 0.00 19:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1856.69 1856.69 4048.41 4048.41 0.00 0.00 0.00 0.00 Average: ens3 41.43 32.51 65.46 10.61 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39129) 08/20/26 _x86_64_ (4 CPU) 19:01:23 LINUX RESTART (4 CPU) 19:10:14 CPU %user %nice %system %iowait %steal %idle 19:20:14 all 66.54 0.00 2.44 0.05 0.09 30.88 19:20:14 0 67.93 0.00 2.30 0.04 0.09 29.64 19:20:14 1 63.84 0.00 2.66 0.06 0.09 33.35 19:20:14 2 66.72 0.00 2.42 0.04 0.09 30.73 19:20:14 3 67.67 0.00 2.36 0.05 0.10 29.82 19:30:14 all 63.63 0.00 2.69 0.10 0.10 33.48 19:30:14 0 64.23 0.00 2.46 0.06 0.11 33.14 19:30:14 1 62.18 0.00 2.28 0.07 0.10 35.38 19:30:14 2 63.68 0.00 2.88 0.13 0.10 33.21 19:30:14 3 64.41 0.00 3.14 0.17 0.11 32.18 19:40:14 all 29.96 0.00 1.22 0.11 0.08 68.62 19:40:14 0 32.07 0.00 1.16 0.03 0.09 66.66 19:40:14 1 32.46 0.00 1.44 0.33 0.08 65.68 19:40:14 2 24.56 0.00 0.77 0.05 0.08 74.55 19:40:14 3 30.77 0.00 1.50 0.05 0.08 67.60 Average: all 53.38 0.00 2.11 0.09 0.09 44.33 Average: 0 54.73 0.00 1.97 0.04 0.09 43.16 Average: 1 52.83 0.00 2.13 0.15 0.09 44.80 Average: 2 51.65 0.00 2.02 0.07 0.09 46.16 Average: 3 54.29 0.00 2.33 0.09 0.10 43.19