---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3219 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 11G 68G 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 676 10594 4 4718 14969 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:52:f4:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84589sec preferred_lft 84589sec inet6 fe80::f816:3eff:fe52:f447/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:14:a4:43:a3:02 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-3219) 09/08/26 _x86_64_ (4 CPU) 16:45:12 LINUX RESTART (4 CPU) 16:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:08 28.73 2.74 11.97 14.03 150.32 3711.93 241105.03 17:10:14 21.69 0.80 17.85 3.04 26.98 2657.27 2767.55 Average: 25.19 1.76 14.93 8.50 88.25 3181.22 121172.64 16:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:08 10647048 14002508 1957292 11.95 127432 3354428 2332520 13.39 555108 4784756 25748 17:10:14 9075180 13106072 2847528 17.39 160368 3939748 3596360 20.64 754880 6087340 18104 Average: 9861114 13554290 2402410 14.67 143900 3647088 2964440 17.02 654994 5436048 21926 16:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:08 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 17:00:08 ens3 92.58 78.03 599.94 14.74 0.00 0.00 0.00 0.00 17:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:14 lo 1620.00 1620.00 1544.29 1544.29 0.00 0.00 0.00 0.00 17:10:14 ens3 62.06 49.16 390.59 9.99 0.00 0.00 0.00 0.00 17:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.83 815.83 777.15 777.15 0.00 0.00 0.00 0.00 Average: ens3 77.22 63.51 494.60 12.35 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-3219) 09/08/26 _x86_64_ (4 CPU) 16:45:12 LINUX RESTART (4 CPU) 16:50:11 CPU %user %nice %system %iowait %steal %idle 17:00:08 all 60.25 0.00 2.33 0.08 0.03 37.31 17:00:08 0 60.77 0.00 2.61 0.12 0.03 36.47 17:00:08 1 58.97 0.00 2.32 0.07 0.03 38.61 17:00:08 2 60.95 0.00 2.16 0.08 0.03 36.77 17:00:08 3 60.31 0.00 2.22 0.03 0.03 37.41 17:10:14 all 62.96 0.00 2.88 0.06 0.03 34.07 17:10:14 0 63.21 0.00 2.55 0.09 0.03 34.11 17:10:14 1 63.43 0.00 2.91 0.05 0.03 33.58 17:10:14 2 63.99 0.00 2.95 0.06 0.03 32.98 17:10:14 3 61.19 0.00 3.11 0.05 0.03 35.62 Average: all 61.61 0.00 2.61 0.07 0.03 35.68 Average: 0 62.00 0.00 2.58 0.11 0.03 35.28 Average: 1 61.21 0.00 2.62 0.06 0.03 36.08 Average: 2 62.48 0.00 2.56 0.07 0.03 34.86 Average: 3 60.75 0.00 2.66 0.04 0.03 36.51