---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34218 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 686 10219 4 5083 14960 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:3c:96:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84109sec preferred_lft 84109sec inet6 fe80::f816:3eff:fe3c:9612/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:09:58:a0:b0:76 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-34218) 08/11/26 _x86_64_ (4 CPU) 05:13:15 LINUX RESTART (4 CPU) 05:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:04 6.57 1.84 4.59 0.13 121.47 1394.05 654.34 05:40:03 11.03 0.48 9.44 1.10 19.86 2303.04 2641.27 05:50:03 28.01 0.60 23.18 4.23 22.79 3919.11 2644.82 Average: 15.20 0.98 12.40 1.82 54.75 2538.09 1979.30 05:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:04 10979984 14163032 1799344 10.99 122612 3214796 2276824 13.07 494028 4557604 35336 05:40:03 9536404 13388908 2566784 15.68 153132 3785864 2851720 16.37 663624 5750300 24896 05:50:03 10525472 15371652 577208 3.53 179392 4689824 1105792 6.35 923000 4403612 184 Average: 10347287 14307864 1647779 10.06 151712 3896828 2078112 11.93 693551 4903839 20139 05:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:04 lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 05:30:04 ens3 57.81 48.09 648.97 8.23 0.00 0.00 0.00 0.00 05:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:03 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 05:40:03 ens3 56.97 48.68 94.25 16.28 0.00 0.00 0.00 0.00 05:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:03 lo 1740.57 1740.57 1646.92 1646.92 0.00 0.00 0.00 0.00 05:50:03 ens3 105.93 95.43 441.20 153.41 0.00 0.00 0.00 0.00 05:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 580.48 580.48 548.77 548.77 0.00 0.00 0.00 0.00 Average: ens3 73.56 64.06 394.99 59.28 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-34218) 08/11/26 _x86_64_ (4 CPU) 05:13:15 LINUX RESTART (4 CPU) 05:20:03 CPU %user %nice %system %iowait %steal %idle 05:30:04 all 10.86 0.00 0.47 0.04 0.04 88.59 05:30:04 0 10.90 0.00 0.48 0.04 0.03 88.55 05:30:04 1 10.91 0.00 0.46 0.03 0.05 88.55 05:30:04 2 11.15 0.00 0.43 0.08 0.03 88.31 05:30:04 3 10.47 0.00 0.50 0.01 0.04 88.97 05:40:03 all 72.67 0.00 2.28 0.03 0.11 24.92 05:40:03 0 70.21 0.00 1.91 0.03 0.11 27.74 05:40:03 1 72.31 0.00 2.30 0.03 0.11 25.25 05:40:03 2 74.03 0.00 2.55 0.03 0.10 23.29 05:40:03 3 74.13 0.00 2.38 0.02 0.11 23.37 05:50:03 all 48.57 0.00 2.25 0.06 0.09 49.04 05:50:03 0 47.70 0.00 2.13 0.08 0.09 50.02 05:50:03 1 50.88 0.00 2.48 0.06 0.09 46.50 05:50:03 2 49.22 0.00 2.17 0.08 0.09 48.44 05:50:03 3 46.47 0.00 2.20 0.05 0.08 51.20 Average: all 44.01 0.00 1.66 0.04 0.08 54.21 Average: 0 42.92 0.00 1.50 0.05 0.07 55.46 Average: 1 44.69 0.00 1.75 0.04 0.08 53.44 Average: 2 44.77 0.00 1.71 0.06 0.07 53.38 Average: 3 43.66 0.00 1.69 0.02 0.08 54.55