---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37022 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 12G 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 788 9296 4 5904 14858 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:4a:8f:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83877sec preferred_lft 83877sec inet6 fe80::f816:3eff:fe4a:8f8f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:47:3f:79:72:86 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-37022) 08/12/26 _x86_64_ (4 CPU) 20:24:17 LINUX RESTART (4 CPU) 20:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 28.92 1.48 12.88 14.57 73.83 4024.09 244238.82 20:50:07 63.37 0.34 49.84 13.20 10.12 4020.55 9860.66 21:00:07 37.27 0.15 30.72 6.41 10.28 5083.99 5927.72 Average: 43.32 0.65 31.29 11.39 31.17 4376.11 85786.52 20:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9350436 13130176 2825484 17.26 170664 3688580 3055048 17.54 665076 5911420 107128 20:50:07 8663464 13210564 2738736 16.73 207304 4361516 3126040 17.94 827156 6387136 82528 21:00:07 9677952 15357400 587624 3.59 242636 5395924 1110188 6.37 1217560 4893932 172 Average: 9230617 13899380 2050615 12.52 206868 4482007 2430425 13.95 903264 5730829 63276 20:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 20:40:00 ens3 66.86 55.16 114.16 17.61 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 5576.63 5576.63 5318.32 5318.32 0.00 0.00 0.00 0.00 20:50:07 ens3 96.62 69.61 266.91 20.68 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:07 lo 2799.06 2799.06 2662.09 2662.09 0.00 0.00 0.00 0.00 21:00:07 ens3 84.67 72.04 128.84 76.98 0.00 0.00 0.00 0.00 21:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2813.75 2813.75 2680.59 2680.59 0.00 0.00 0.00 0.00 Average: ens3 82.83 65.66 170.56 38.43 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-37022) 08/12/26 _x86_64_ (4 CPU) 20:24:17 LINUX RESTART (4 CPU) 20:30:07 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 70.50 0.00 2.46 0.05 0.12 26.86 20:40:00 0 69.46 0.00 2.49 0.05 0.12 27.87 20:40:00 1 70.42 0.00 2.50 0.03 0.12 26.93 20:40:00 2 70.64 0.00 2.30 0.04 0.12 26.90 20:40:00 3 71.48 0.00 2.57 0.10 0.13 25.72 20:50:07 all 62.53 0.00 4.25 0.09 0.11 33.02 20:50:07 0 60.39 0.00 4.22 0.10 0.11 35.19 20:50:07 1 63.63 0.00 3.99 0.06 0.11 32.21 20:50:07 2 62.69 0.00 4.36 0.16 0.12 32.68 20:50:07 3 63.41 0.00 4.44 0.06 0.11 31.99 21:00:07 all 52.64 0.00 3.17 0.11 0.10 43.98 21:00:07 0 51.11 0.00 3.16 0.10 0.10 45.53 21:00:07 1 53.38 0.00 2.87 0.14 0.10 43.51 21:00:07 2 53.05 0.00 2.93 0.08 0.10 43.83 21:00:07 3 53.02 0.00 3.71 0.13 0.10 43.04 Average: all 61.86 0.00 3.30 0.09 0.11 34.64 Average: 0 60.29 0.00 3.30 0.08 0.11 36.22 Average: 1 62.45 0.00 3.12 0.08 0.11 34.24 Average: 2 62.10 0.00 3.20 0.09 0.11 34.49 Average: 3 62.61 0.00 3.58 0.09 0.11 33.61