---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38197 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 635 10111 4 5242 15011 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:2c:78:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84745sec preferred_lft 84745sec inet6 fe80::f816:3eff:fe2c:783c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:ff:82:02:47:4e 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-38197) 08/17/26 _x86_64_ (4 CPU) 00:25:23 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:16 20.97 0.30 7.09 13.57 34.48 1484.79 249506.35 00:50:17 21.69 0.52 19.63 1.55 19.05 2537.27 12401.89 Average: 21.32 0.41 13.29 7.63 26.86 2004.75 132370.46 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:16 9627852 13002320 2959096 18.07 121656 3399720 3213256 18.44 533092 5858736 10960 00:50:17 8691236 12808448 3148180 19.23 141880 4082812 3341492 19.18 762160 6510780 271344 Average: 9159544 12905384 3053638 18.65 131768 3741266 3277374 18.81 647626 6184758 141152 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:16 lo 0.64 0.64 0.37 0.37 0.00 0.00 0.00 0.00 00:40:16 ens3 32.57 22.05 351.96 3.37 0.00 0.00 0.00 0.00 00:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:17 lo 649.44 649.44 619.15 619.15 0.00 0.00 0.00 0.00 00:50:17 ens3 44.89 31.90 442.53 4.85 0.00 0.00 0.00 0.00 00:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 321.16 321.16 306.06 306.06 0.00 0.00 0.00 0.00 Average: ens3 38.66 26.92 396.70 4.10 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-38197) 08/17/26 _x86_64_ (4 CPU) 00:25:23 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:16 all 47.44 0.00 0.83 0.08 0.09 51.56 00:40:16 0 37.41 0.00 1.00 0.11 0.09 61.39 00:40:16 1 67.28 0.00 0.77 0.01 0.09 31.85 00:40:16 2 39.02 0.00 0.79 0.15 0.08 59.96 00:40:16 3 46.07 0.00 0.76 0.05 0.08 53.04 00:50:17 all 56.99 0.00 1.54 0.08 0.09 41.29 00:50:17 0 46.35 0.00 1.49 0.12 0.11 51.92 00:50:17 1 70.82 0.00 1.54 0.05 0.10 27.49 00:50:17 2 56.51 0.00 1.79 0.05 0.09 41.57 00:50:17 3 54.33 0.00 1.35 0.09 0.09 44.14 Average: all 52.16 0.00 1.18 0.08 0.09 46.49 Average: 0 41.83 0.00 1.24 0.12 0.10 56.71 Average: 1 69.03 0.00 1.15 0.03 0.09 29.70 Average: 2 47.65 0.00 1.28 0.10 0.08 50.88 Average: 3 50.14 0.00 1.05 0.07 0.08 48.65