---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38170 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: 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 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 723 8201 4 7063 14922 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:49:05:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83927sec preferred_lft 83927sec inet6 fe80::f816:3eff:fe49:578/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:10:d1:fa:4c:ea 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-38170) 08/16/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:12 22.48 0.03 19.96 2.49 0.81 2135.13 4910.89 19:30:01 31.94 0.03 28.69 3.21 0.71 4356.45 12255.27 19:40:12 10.69 0.14 9.36 1.19 9.74 7254.90 1400.02 Average: 21.57 0.07 19.22 2.29 3.81 4599.92 6122.21 19:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:12 8728540 12717268 3238712 19.78 150692 3929872 3328504 19.11 757828 6461316 186276 19:30:01 7645220 12446976 3505280 21.41 171988 4686620 3382452 19.42 1011680 7249236 224 19:40:12 8460460 15333124 612144 3.74 188228 6674624 1130044 6.49 1761556 5583656 88 Average: 8278073 13499123 2452045 14.98 170303 5097039 2613667 15.00 1177021 6431403 62196 19:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:12 lo 1188.89 1188.89 1126.43 1126.43 0.00 0.00 0.00 0.00 19:20:12 ens3 36.10 30.55 21.84 10.68 0.00 0.00 0.00 0.00 19:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1306.62 1306.62 1240.38 1240.38 0.00 0.00 0.00 0.00 19:30:01 ens3 40.32 32.02 25.37 11.60 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 19:40:12 lo 2544.45 2544.45 9127.77 9127.77 0.00 0.00 0.00 0.00 19:40:12 ens3 48.28 52.02 134.37 543.98 0.00 0.00 0.00 0.00 19:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1687.57 1687.57 3879.86 3879.86 0.00 0.00 0.00 0.00 Average: ens3 41.62 38.32 61.19 192.01 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-38170) 08/16/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:12 CPU %user %nice %system %iowait %steal %idle 19:20:12 all 65.92 0.00 2.21 0.04 0.10 31.72 19:20:12 0 65.32 0.00 2.23 0.07 0.10 32.28 19:20:12 1 68.66 0.00 1.90 0.02 0.10 29.32 19:20:12 2 64.15 0.00 2.78 0.03 0.10 32.94 19:20:12 3 65.56 0.00 1.96 0.04 0.10 32.34 19:30:01 all 54.23 0.00 2.32 0.30 0.10 43.04 19:30:01 0 53.44 0.00 2.41 0.30 0.10 43.76 19:30:01 1 53.05 0.00 2.06 0.07 0.10 44.72 19:30:01 2 53.91 0.00 2.61 0.46 0.10 42.92 19:30:01 3 56.54 0.00 2.21 0.39 0.10 40.76 19:40:12 all 32.90 0.00 1.29 0.16 0.08 65.57 19:40:12 0 31.36 0.00 1.53 0.14 0.08 66.90 19:40:12 1 38.76 0.00 1.45 0.10 0.08 59.61 19:40:12 2 24.82 0.00 1.23 0.02 0.07 73.85 19:40:12 3 36.67 0.00 0.96 0.39 0.08 61.90 Average: all 50.88 0.00 1.94 0.17 0.09 46.93 Average: 0 49.89 0.00 2.05 0.17 0.09 47.80 Average: 1 53.40 0.00 1.80 0.07 0.09 44.65 Average: 2 47.41 0.00 2.20 0.17 0.09 50.13 Average: 3 52.80 0.00 1.70 0.27 0.09 45.13