---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36100 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 67G 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 706 9559 4 5723 14940 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:a3:79:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84317sec preferred_lft 84317sec inet6 fe80::f816:3eff:fea3:79bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:1e:0c:af:75:68 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-36100) 08/12/26 _x86_64_ (4 CPU) 04:51:07 LINUX RESTART (4 CPU) 05:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:07 42.85 0.52 26.41 15.92 18.28 3761.73 252633.09 05:20:47 29.88 0.05 26.89 2.93 1.51 5946.68 38676.39 Average: 36.18 0.28 26.66 9.25 9.67 4884.14 142723.58 05:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:07 9462560 13311296 2644160 16.15 160636 3768436 2866952 16.46 732048 5732048 10592 05:20:47 7438464 12697692 3251144 19.86 185916 5081424 3417400 19.62 1027836 7393732 32476 Average: 8450512 13004494 2947652 18.00 173276 4424930 3142176 18.04 879942 6562890 21534 05:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:07 lo 1278.21 1278.21 1218.64 1218.64 0.00 0.00 0.00 0.00 05:10:07 ens3 82.31 60.17 328.31 15.96 0.00 0.00 0.00 0.00 05:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:47 lo 907.72 907.72 864.77 864.77 0.00 0.00 0.00 0.00 05:20:47 ens3 59.02 46.12 220.31 12.72 0.00 0.00 0.00 0.00 05:20:47 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1087.89 1087.89 1036.86 1036.86 0.00 0.00 0.00 0.00 Average: ens3 70.35 52.95 272.83 14.29 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-36100) 08/12/26 _x86_64_ (4 CPU) 04:51:07 LINUX RESTART (4 CPU) 05:00:01 CPU %user %nice %system %iowait %steal %idle 05:10:07 all 64.62 0.00 2.43 0.07 0.12 32.75 05:10:07 0 63.84 0.00 2.34 0.04 0.12 33.66 05:10:07 1 66.48 0.00 2.53 0.04 0.12 30.81 05:10:07 2 65.75 0.00 2.50 0.05 0.12 31.57 05:10:07 3 62.41 0.00 2.36 0.13 0.12 34.97 05:20:47 all 58.76 0.00 2.20 0.07 0.10 38.88 05:20:47 0 56.29 0.00 2.04 0.04 0.10 41.53 05:20:47 1 56.73 0.00 2.17 0.09 0.10 40.91 05:20:47 2 64.97 0.00 2.48 0.07 0.10 32.39 05:20:47 3 57.04 0.00 2.11 0.07 0.10 40.67 Average: all 61.61 0.00 2.31 0.07 0.11 35.90 Average: 0 59.96 0.00 2.19 0.04 0.11 37.70 Average: 1 61.47 0.00 2.35 0.06 0.11 36.01 Average: 2 65.35 0.00 2.49 0.06 0.11 31.99 Average: 3 59.65 0.00 2.23 0.10 0.11 37.90