---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3843 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 11G 67G 14% / 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 648 10462 4 4877 14997 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:70:32:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84347sec preferred_lft 84347sec inet6 fe80::f816:3eff:fe70:3268/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:9c:2a:9e:57:88 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-3843) 08/09/26 _x86_64_ (4 CPU) 21:41:54 LINUX RESTART (4 CPU) 21:50:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:00:32 11.93 1.88 9.38 0.68 122.95 2611.42 1364.86 22:10:32 27.44 0.83 23.01 3.60 29.51 3310.97 14731.32 Average: 19.69 1.35 16.19 2.14 76.23 2961.20 8048.15 21:50:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:32 10790336 14115804 1844684 11.27 130888 3320028 2257400 12.96 545560 4651836 26864 22:10:32 8516380 13024944 2926568 17.87 168408 4379972 3439616 19.74 859180 6506212 324976 Average: 9653358 13570374 2385626 14.57 149648 3850000 2848508 16.35 702370 5579024 175920 21:50:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:00:32 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 22:00:32 ens3 95.67 74.41 638.95 16.60 0.00 0.00 0.00 0.00 22:00:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:32 lo 1599.24 1599.24 1524.45 1524.45 0.00 0.00 0.00 0.00 22:10:32 ens3 102.74 74.76 441.22 21.11 0.00 0.00 0.00 0.00 22:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 800.08 800.08 762.28 762.28 0.00 0.00 0.00 0.00 Average: ens3 99.21 74.59 540.08 18.86 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-3843) 08/09/26 _x86_64_ (4 CPU) 21:41:54 LINUX RESTART (4 CPU) 21:50:32 CPU %user %nice %system %iowait %steal %idle 22:00:32 all 46.25 0.00 1.53 0.04 0.06 52.11 22:00:32 0 44.90 0.00 1.50 0.01 0.06 53.53 22:00:32 1 46.34 0.00 1.38 0.05 0.06 52.16 22:00:32 2 45.88 0.00 1.54 0.07 0.07 52.44 22:00:32 3 47.87 0.00 1.71 0.03 0.06 50.32 22:10:32 all 67.74 0.00 2.80 0.06 0.09 29.32 22:10:32 0 65.53 0.00 2.77 0.05 0.09 31.56 22:10:32 1 66.80 0.00 2.49 0.04 0.09 30.58 22:10:32 2 70.31 0.00 2.82 0.06 0.09 26.72 22:10:32 3 68.31 0.00 3.11 0.07 0.09 28.42 Average: all 56.99 0.00 2.17 0.05 0.08 40.72 Average: 0 55.22 0.00 2.13 0.03 0.08 42.54 Average: 1 56.57 0.00 1.94 0.05 0.08 41.38 Average: 2 58.08 0.00 2.18 0.07 0.08 39.59 Average: 3 58.08 0.00 2.41 0.05 0.08 39.38