---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6194 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 68G 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 10618 4 4722 14998 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:32:18:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83669sec preferred_lft 83669sec inet6 fe80::f816:3eff:fe32:1863/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:f8:47:31:58:e5 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-6194) 04/21/26 _x86_64_ (4 CPU) 11:21:59 LINUX RESTART (4 CPU) 11:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:01 14.75 0.39 1.42 12.94 16.00 48.43 246516.53 11:50:39 50.16 3.53 45.54 1.09 226.78 4591.14 2266.69 12:00:18 26.06 0.81 22.43 2.83 29.08 3297.86 9953.07 Average: 30.86 1.63 23.71 5.52 94.53 2691.26 84611.31 11:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:01 13734884 15500348 518588 3.17 54588 1937516 1160556 6.66 200628 2214164 20 11:50:39 10999616 14155668 1805916 11.03 127096 3167464 2135688 12.26 538936 4468228 24156 12:00:18 9416448 13423596 2529664 15.45 164056 3906540 2749864 15.78 761320 5725068 9992 Average: 11383649 14359871 1618056 9.88 115247 3003840 2015369 11.57 500295 4135820 11389 11:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 11:40:01 ens3 10.44 5.86 20.27 2.16 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:39 lo 0.95 0.95 0.10 0.10 0.00 0.00 0.00 0.00 11:50:39 ens3 106.11 82.91 891.53 18.11 0.00 0.00 0.00 0.00 11:50:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:18 lo 1257.55 1257.55 1198.62 1198.62 0.00 0.00 0.00 0.00 12:00:18 ens3 90.21 64.38 337.86 18.48 0.00 0.00 0.00 0.00 12:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 403.08 403.08 383.89 383.89 0.00 0.00 0.00 0.00 Average: ens3 69.73 51.78 429.27 13.01 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-6194) 04/21/26 _x86_64_ (4 CPU) 11:21:59 LINUX RESTART (4 CPU) 11:30:09 CPU %user %nice %system %iowait %steal %idle 11:40:01 all 0.31 0.00 0.04 0.03 0.02 99.60 11:40:01 0 0.26 0.00 0.02 0.00 0.01 99.71 11:40:01 1 0.51 0.00 0.03 0.03 0.02 99.41 11:40:01 2 0.36 0.00 0.05 0.01 0.02 99.56 11:40:01 3 0.12 0.00 0.05 0.08 0.02 99.73 11:50:39 all 41.07 0.00 1.53 0.25 0.07 57.09 11:50:39 0 40.45 0.00 1.65 0.06 0.06 57.78 11:50:39 1 41.22 0.00 1.49 0.40 0.07 56.82 11:50:39 2 41.81 0.00 1.62 0.15 0.08 56.35 11:50:39 3 40.79 0.00 1.37 0.38 0.07 57.39 12:00:18 all 69.57 0.00 2.66 0.07 0.10 27.60 12:00:18 0 69.99 0.00 2.61 0.11 0.10 27.18 12:00:18 1 70.32 0.00 3.02 0.05 0.10 26.51 12:00:18 2 68.81 0.00 2.55 0.07 0.10 28.47 12:00:18 3 69.13 0.00 2.48 0.05 0.10 28.24 Average: all 36.83 0.00 1.40 0.12 0.06 61.59 Average: 0 36.73 0.00 1.42 0.06 0.06 61.73 Average: 1 37.18 0.00 1.50 0.17 0.06 61.09 Average: 2 36.85 0.00 1.40 0.08 0.06 61.60 Average: 3 36.53 0.00 1.29 0.18 0.06 61.94