---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3258 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 11G 68G 13% / 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 637 10772 4 4579 15009 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:d9:f7:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84490sec preferred_lft 84490sec inet6 fe80::f816:3eff:fed9:f76d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:d1:16:82:6e:1c 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-3258) 08/07/26 _x86_64_ (4 CPU) 20:51:55 LINUX RESTART (4 CPU) 21:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:00 42.07 2.63 32.77 6.68 144.78 4157.22 30761.12 21:20:18 33.85 0.16 27.83 5.86 9.96 3546.42 18561.59 Average: 37.85 1.36 30.23 6.26 75.57 3843.66 24498.39 21:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:00 10411492 13889768 2068196 12.63 159392 3435324 2326168 13.35 591052 4977240 23700 21:20:18 11133356 15402528 550044 3.36 204168 4117864 1117700 6.42 817576 3941508 16 Average: 10772424 14646148 1309120 8.00 181780 3776594 1721934 9.88 704314 4459374 11858 21:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:00 lo 3543.42 3543.42 3379.79 3379.79 0.00 0.00 0.00 0.00 21:10:00 ens3 152.40 114.29 819.03 28.35 0.00 0.00 0.00 0.00 21:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:18 lo 2779.17 2779.17 2640.75 2640.75 0.00 0.00 0.00 0.00 21:20:18 ens3 112.66 96.74 138.96 113.28 0.00 0.00 0.00 0.00 21:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3151.09 3151.09 3000.40 3000.40 0.00 0.00 0.00 0.00 Average: ens3 132.00 105.28 469.91 71.95 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-3258) 08/07/26 _x86_64_ (4 CPU) 20:51:55 LINUX RESTART (4 CPU) 21:00:14 CPU %user %nice %system %iowait %steal %idle 21:10:00 all 53.97 0.00 3.18 0.09 0.09 42.66 21:10:00 0 54.69 0.00 3.21 0.09 0.09 41.92 21:10:00 1 53.61 0.00 3.04 0.09 0.09 43.16 21:10:00 2 53.06 0.00 3.40 0.09 0.09 43.35 21:10:00 3 54.52 0.00 3.08 0.10 0.09 42.21 21:20:18 all 42.65 0.00 2.63 0.08 0.08 54.56 21:20:18 0 44.31 0.00 2.64 0.06 0.07 52.92 21:20:18 1 42.73 0.00 2.60 0.13 0.08 54.45 21:20:18 2 39.64 0.00 2.54 0.08 0.08 57.66 21:20:18 3 43.92 0.00 2.74 0.06 0.07 53.21 Average: all 48.16 0.00 2.90 0.09 0.08 48.77 Average: 0 49.36 0.00 2.91 0.07 0.08 47.57 Average: 1 48.02 0.00 2.82 0.11 0.09 48.96 Average: 2 46.18 0.00 2.96 0.09 0.09 50.69 Average: 3 49.08 0.00 2.91 0.08 0.08 47.86