---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6754 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13G 66G 16% / 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 677 8744 4 6567 14968 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:0f:dc:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84584sec preferred_lft 84584sec inet6 fe80::f816:3eff:fe0f:dc27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:7f:e7:ba:24:64 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-6754) 09/10/26 _x86_64_ (4 CPU) 11:00:38 LINUX RESTART (4 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 26.27 0.03 23.52 2.72 0.68 2228.45 19025.29 11:30:13 21.71 0.09 19.61 2.00 8.16 8665.90 11538.08 Average: 23.97 0.06 21.55 2.36 4.46 5477.29 15246.66 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 9044516 13049192 2904644 17.74 155124 3942188 2971544 17.06 757188 6152976 24124 11:30:13 9024680 15389212 557416 3.40 179240 6196664 1121620 6.44 1580972 5241200 52 Average: 9034598 14219202 1731030 10.57 167182 5069426 2046582 11.75 1169080 5697088 12088 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 1117.35 1117.35 1063.91 1063.91 0.00 0.00 0.00 0.00 11:20:01 ens3 22.13 19.48 18.26 6.40 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:13 lo 827.88 827.88 7170.22 7170.22 0.00 0.00 0.00 0.00 11:30:13 ens3 40.89 33.57 118.92 34.00 0.00 0.00 0.00 0.00 11:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 971.26 971.26 4145.63 4145.63 0.00 0.00 0.00 0.00 Average: ens3 31.60 26.59 69.06 20.33 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-6754) 09/10/26 _x86_64_ (4 CPU) 11:00:38 LINUX RESTART (4 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 65.25 0.00 2.49 0.06 0.03 32.17 11:20:01 0 64.58 0.00 2.35 0.06 0.03 32.98 11:20:01 1 65.84 0.00 2.61 0.04 0.03 31.48 11:20:01 2 66.12 0.00 2.63 0.06 0.03 31.16 11:20:01 3 64.47 0.00 2.37 0.10 0.03 33.04 11:30:13 all 40.83 0.00 1.88 0.23 0.04 57.02 11:30:13 0 37.42 0.00 2.08 0.40 0.03 60.08 11:30:13 1 42.37 0.00 1.74 0.08 0.03 55.77 11:30:13 2 37.57 0.00 1.92 0.25 0.04 60.22 11:30:13 3 45.97 0.00 1.76 0.18 0.04 52.04 Average: all 52.93 0.00 2.18 0.15 0.03 44.72 Average: 0 50.88 0.00 2.21 0.23 0.03 46.65 Average: 1 53.99 0.00 2.17 0.06 0.03 43.75 Average: 2 51.71 0.00 2.27 0.15 0.03 45.83 Average: 3 55.12 0.00 2.07 0.14 0.03 42.64