---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3844 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 68G 13% / 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 680 10784 4 4524 14966 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:27:90:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84955sec preferred_lft 84955sec inet6 fe80::f816:3eff:fe27:904b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:59:03:c5:8f:0a 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-3844) 08/09/26 _x86_64_ (4 CPU) 21:57:16 LINUX RESTART (4 CPU) 22:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:04 42.41 2.65 33.33 6.43 145.04 4312.76 6106.63 22:20:01 36.46 0.16 29.89 6.41 10.49 3803.58 3425.91 Average: 39.44 1.41 31.62 6.42 77.93 4058.77 4769.45 22:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:04 10128344 13696852 2261644 13.81 156412 3526852 2479084 14.23 593908 5261112 123888 22:20:01 11112144 15382236 569748 3.48 204460 4117932 1112468 6.39 817016 3955864 428 Average: 10620244 14539544 1415696 8.65 180436 3822392 1795776 10.31 705462 4608488 62158 22:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:04 lo 3392.09 3392.09 3235.40 3235.40 0.00 0.00 0.00 0.00 22:10:04 ens3 155.18 119.89 905.29 28.96 0.00 0.00 0.00 0.00 22:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 2947.68 2947.68 2793.23 2793.23 0.00 0.00 0.00 0.00 22:20:01 ens3 142.63 125.75 157.29 169.66 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3170.41 3170.41 3014.84 3014.84 0.00 0.00 0.00 0.00 Average: ens3 148.92 122.82 532.18 99.14 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-3844) 08/09/26 _x86_64_ (4 CPU) 21:57:16 LINUX RESTART (4 CPU) 22:00:05 CPU %user %nice %system %iowait %steal %idle 22:10:04 all 52.23 0.00 3.13 0.13 0.09 44.43 22:10:04 0 53.00 0.00 3.03 0.08 0.09 43.80 22:10:04 1 50.59 0.00 3.08 0.09 0.09 46.16 22:10:04 2 52.23 0.00 3.30 0.07 0.09 44.31 22:10:04 3 53.08 0.00 3.11 0.28 0.09 43.45 22:20:01 all 49.36 0.00 2.87 0.10 0.09 47.58 22:20:01 0 45.61 0.00 2.89 0.14 0.09 51.27 22:20:01 1 51.97 0.00 3.22 0.07 0.09 44.65 22:20:01 2 46.92 0.00 2.92 0.05 0.09 50.01 22:20:01 3 52.96 0.00 2.43 0.13 0.09 44.38 Average: all 50.80 0.00 3.00 0.11 0.09 46.00 Average: 0 49.31 0.00 2.96 0.11 0.09 47.53 Average: 1 51.28 0.00 3.15 0.08 0.09 45.41 Average: 2 49.59 0.00 3.11 0.06 0.09 47.15 Average: 3 53.02 0.00 2.77 0.21 0.09 43.91