---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37806 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 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 607 10408 4 4972 15038 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:c5:fc:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84778sec preferred_lft 84778sec inet6 fe80::f816:3eff:fec5:fc99/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:7c:d4:7b:94:6d 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-37806) 08/15/26 _x86_64_ (4 CPU) 20:07:26 LINUX RESTART (4 CPU) 20:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:15 9.35 2.06 7.08 0.21 128.47 2142.09 162.51 20:30:01 6.62 0.52 5.80 0.30 18.92 712.95 870.45 Average: 8.01 1.30 6.46 0.25 74.79 1441.76 509.43 20:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:15 9362432 12463724 3499644 21.37 114308 3144436 3779572 21.69 495808 6167896 2188 20:30:01 9156712 12947208 3012212 18.40 131440 3779036 3251432 18.66 595796 6233872 502372 Average: 9259572 12705466 3255928 19.89 122874 3461736 3515502 20.18 545802 6200884 252280 20:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:15 lo 0.66 0.66 0.38 0.38 0.00 0.00 0.00 0.00 20:20:15 ens3 51.62 40.46 540.48 5.91 0.00 0.00 0.00 0.00 20:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 89.11 89.11 84.47 84.47 0.00 0.00 0.00 0.00 20:30:01 ens3 39.86 29.18 442.47 3.76 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 44.01 44.01 41.58 41.58 0.00 0.00 0.00 0.00 Average: ens3 45.86 34.93 492.45 4.86 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-37806) 08/15/26 _x86_64_ (4 CPU) 20:07:26 LINUX RESTART (4 CPU) 20:10:05 CPU %user %nice %system %iowait %steal %idle 20:20:15 all 52.08 0.00 0.91 0.04 0.08 46.89 20:20:15 0 46.19 0.00 0.84 0.03 0.08 52.86 20:20:15 1 57.36 0.00 0.89 0.05 0.07 41.63 20:20:15 2 54.82 0.00 0.96 0.02 0.08 44.12 20:20:15 3 49.94 0.00 0.96 0.08 0.08 48.94 20:30:01 all 48.07 0.00 0.76 0.02 0.08 51.07 20:30:01 0 40.35 0.00 0.83 0.03 0.08 58.70 20:30:01 1 37.44 0.00 0.82 0.02 0.07 61.65 20:30:01 2 63.73 0.00 0.71 0.02 0.08 35.46 20:30:01 3 50.72 0.00 0.70 0.03 0.07 48.48 Average: all 50.11 0.00 0.84 0.03 0.08 48.94 Average: 0 43.34 0.00 0.83 0.03 0.08 55.72 Average: 1 47.61 0.00 0.85 0.04 0.07 51.43 Average: 2 59.19 0.00 0.84 0.02 0.08 39.88 Average: 3 50.32 0.00 0.83 0.05 0.08 48.71