---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40367 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 15% / 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 737 9327 4 5924 14909 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:9c:45:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84313sec preferred_lft 84313sec inet6 fe80::f816:3eff:fe9c:454d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:6b:7a:11:1a:47 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-40367) 08/23/26 _x86_64_ (4 CPU) 06:26:24 LINUX RESTART (4 CPU) 06:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:15 21.12 2.85 16.93 1.34 172.57 4930.45 9111.92 06:50:14 37.00 0.05 33.05 3.89 1.27 3445.88 24814.95 07:00:00 18.74 0.16 16.22 2.36 10.91 5699.52 2793.24 Average: 25.67 1.03 22.11 2.53 62.00 4684.91 12305.62 06:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:15 9551028 13501932 2453380 14.98 160224 3873028 2701160 15.50 698188 5686504 58976 06:50:14 8001316 12712912 3237000 19.77 188308 4550812 3410592 19.58 890432 6993700 188384 07:00:00 9729132 15433772 510564 3.12 208448 5464048 1026408 5.89 945044 5106832 16 Average: 9093825 13882872 2066981 12.62 185660 4629296 2379387 13.66 844555 5929012 82459 06:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:15 lo 379.60 379.60 361.53 361.53 0.00 0.00 0.00 0.00 06:40:15 ens3 131.20 97.55 1217.66 17.32 0.00 0.00 0.00 0.00 06:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:14 lo 1885.81 1885.81 1798.11 1798.11 0.00 0.00 0.00 0.00 06:50:14 ens3 45.64 36.24 137.00 10.93 0.00 0.00 0.00 0.00 06:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:00 lo 12.28 12.28 1.26 1.26 0.00 0.00 0.00 0.00 07:00:00 ens3 81.12 75.70 128.51 218.42 0.00 0.00 0.00 0.00 07:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 764.35 764.35 725.23 725.23 0.00 0.00 0.00 0.00 Average: ens3 86.05 69.80 497.36 81.22 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-40367) 08/23/26 _x86_64_ (4 CPU) 06:26:24 LINUX RESTART (4 CPU) 06:30:14 CPU %user %nice %system %iowait %steal %idle 06:40:15 all 44.98 0.00 1.56 0.11 0.07 53.28 06:40:15 0 44.52 0.00 1.62 0.07 0.07 53.72 06:40:15 1 43.48 0.00 1.45 0.07 0.08 54.93 06:40:15 2 45.59 0.00 1.44 0.10 0.07 52.80 06:40:15 3 46.33 0.00 1.73 0.21 0.08 51.66 06:50:14 all 63.45 0.00 2.72 0.06 0.10 33.67 06:50:14 0 60.43 0.00 2.71 0.07 0.10 36.69 06:50:14 1 63.39 0.00 2.81 0.05 0.10 33.64 06:50:14 2 64.44 0.00 2.54 0.06 0.10 32.87 06:50:14 3 65.53 0.00 2.82 0.08 0.10 31.46 07:00:00 all 44.58 0.00 1.54 0.07 0.08 53.73 07:00:00 0 45.96 0.00 1.36 0.06 0.08 52.54 07:00:00 1 44.47 0.00 1.71 0.10 0.07 53.65 07:00:00 2 48.80 0.00 1.71 0.05 0.08 49.36 07:00:00 3 39.10 0.00 1.39 0.06 0.08 59.36 Average: all 51.04 0.00 1.94 0.08 0.08 46.85 Average: 0 50.33 0.00 1.90 0.07 0.08 47.62 Average: 1 50.47 0.00 1.99 0.07 0.08 47.38 Average: 2 52.96 0.00 1.90 0.07 0.08 44.99 Average: 3 50.39 0.00 1.99 0.12 0.09 47.42