---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3252 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 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 636 10381 4 4971 15010 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:bf:a9:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84757sec preferred_lft 84757sec inet6 fe80::f816:3eff:febf:a9a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:9c:dc:e3:9d:59 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-3252) 08/07/26 _x86_64_ (4 CPU) 20:08:14 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:05 25.11 2.36 9.39 13.36 137.99 3127.76 238124.27 20:30:06 3.17 0.03 3.04 0.10 1.49 345.47 228.80 Average: 14.18 1.20 6.22 6.75 69.99 1741.70 119611.25 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:05 9645888 12741640 3221796 19.68 114508 3138936 3491788 20.04 498584 5876320 1588 20:30:06 10126484 13341364 2621112 16.01 118260 3244820 2808104 16.12 525280 5361232 26828 Average: 9886186 13041502 2921454 17.84 116384 3191878 3149946 18.08 511932 5618776 14208 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:05 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 20:20:05 ens3 62.89 51.44 705.28 7.87 0.00 0.00 0.00 0.00 20:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:06 lo 0.52 0.52 0.37 0.37 0.00 0.00 0.00 0.00 20:30:06 ens3 6.40 4.90 29.04 1.19 0.00 0.00 0.00 0.00 20:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.47 0.47 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 34.75 28.25 368.40 4.54 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-3252) 08/07/26 _x86_64_ (4 CPU) 20:08:14 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:05 all 51.04 0.00 1.05 0.06 0.08 47.78 20:20:05 0 56.08 0.00 1.12 0.07 0.09 42.65 20:20:05 1 50.34 0.00 1.16 0.05 0.08 48.37 20:20:05 2 52.63 0.00 0.93 0.04 0.07 46.32 20:20:05 3 45.09 0.00 0.99 0.07 0.08 53.78 20:30:06 all 45.74 0.00 0.52 0.01 0.07 53.65 20:30:06 0 38.55 0.00 0.49 0.02 0.08 60.86 20:30:06 1 36.57 0.00 0.49 0.02 0.07 62.85 20:30:06 2 65.08 0.00 0.58 0.02 0.07 34.25 20:30:06 3 42.76 0.00 0.53 0.01 0.07 56.64 Average: all 48.39 0.00 0.79 0.04 0.08 50.71 Average: 0 47.35 0.00 0.81 0.04 0.08 51.72 Average: 1 43.47 0.00 0.82 0.03 0.08 55.60 Average: 2 58.84 0.00 0.76 0.03 0.07 40.30 Average: 3 43.93 0.00 0.76 0.04 0.07 55.20