---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37033 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 66G 16% / 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 661 8792 4 6535 14985 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:8d:7a:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84273sec preferred_lft 84273sec inet6 fe80::f816:3eff:fe8d:7a54/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:eb:27:e5:04:3a 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-37033) 08/12/26 _x86_64_ (4 CPU) 20:53:44 LINUX RESTART (4 CPU) 21:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:05 25.20 0.06 22.30 2.83 6.81 2404.43 6405.65 21:20:05 31.50 0.04 28.37 3.10 0.95 4420.53 13288.05 Average: 28.35 0.05 25.33 2.97 3.88 3412.47 9846.82 21:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:05 9155356 12918432 3038696 18.56 144656 3725196 3016692 17.32 713132 6092676 20852 21:20:05 7482812 12256792 3696244 22.58 161472 4673720 3577804 20.54 989860 7439128 1236 Average: 8319084 12587612 3367470 20.57 153064 4199458 3297248 18.93 851496 6765902 11044 21:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:05 lo 1432.58 1432.58 1358.90 1358.90 0.00 0.00 0.00 0.00 21:10:05 ens3 34.72 29.22 48.72 9.53 0.00 0.00 0.00 0.00 21:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:05 lo 1330.58 1330.58 1262.79 1262.79 0.00 0.00 0.00 0.00 21:20:05 ens3 33.71 29.23 37.28 9.98 0.00 0.00 0.00 0.00 21:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1381.58 1381.58 1310.85 1310.85 0.00 0.00 0.00 0.00 Average: ens3 34.21 29.23 43.00 9.75 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-37033) 08/12/26 _x86_64_ (4 CPU) 20:53:44 LINUX RESTART (4 CPU) 21:00:05 CPU %user %nice %system %iowait %steal %idle 21:10:05 all 66.10 0.00 2.40 0.06 0.11 31.33 21:10:05 0 65.70 0.00 2.50 0.06 0.11 31.63 21:10:05 1 65.94 0.00 2.46 0.04 0.11 31.46 21:10:05 2 66.23 0.00 2.09 0.05 0.10 31.52 21:10:05 3 66.54 0.00 2.55 0.09 0.11 30.72 21:20:05 all 57.99 0.00 2.39 0.12 0.10 39.39 21:20:05 0 57.99 0.00 2.45 0.08 0.10 39.38 21:20:05 1 55.00 0.00 1.98 0.11 0.10 42.82 21:20:05 2 60.84 0.00 2.60 0.23 0.10 36.23 21:20:05 3 58.15 0.00 2.55 0.06 0.10 39.13 Average: all 62.05 0.00 2.40 0.09 0.10 35.36 Average: 0 61.85 0.00 2.47 0.07 0.10 35.51 Average: 1 60.46 0.00 2.22 0.08 0.10 37.14 Average: 2 63.54 0.00 2.34 0.14 0.10 33.87 Average: 3 62.35 0.00 2.55 0.07 0.10 34.93