---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41597 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 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 12G 66G 15% / 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 647 9294 4 6046 14998 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:ce:e9:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84314sec preferred_lft 84314sec inet6 fe80::f816:3eff:fece:e964/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:88:b4:00:18:da 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 inet6 fe80::2488:b4ff:fe00:18da/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41597) 08/27/26 _x86_64_ (4 CPU) 15:32:27 LINUX RESTART (4 CPU) 15:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:14 12.93 0.01 10.81 2.11 0.17 690.29 49884.71 16:00:36 35.29 0.19 30.53 4.57 5.76 6690.10 80669.47 Average: 24.25 0.10 20.79 3.36 3.00 3727.74 65469.74 15:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:14 9161604 12649640 3308712 20.21 153876 3459784 3525984 20.24 678688 6136808 628 16:00:36 6982272 12322108 3625936 22.15 190288 5176984 3872944 22.23 1324956 7575984 96852 Average: 8071938 12485874 3467324 21.18 172082 4318384 3699464 21.23 1001822 6856396 48740 15:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:14 lo 53.18 53.18 13.19 13.19 0.00 0.00 0.00 0.00 15:50:14 ens3 3.13 2.90 3.15 0.80 0.00 0.00 0.00 0.00 15:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:36 lo 2406.13 2406.13 2306.48 2306.48 0.00 0.00 0.00 0.00 16:00:36 ens3 53.43 44.60 489.58 9.60 0.00 0.00 0.00 0.00 16:00:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1244.38 1244.38 1174.19 1174.19 0.00 0.00 0.00 0.00 Average: ens3 28.59 24.01 249.41 5.26 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-41597) 08/27/26 _x86_64_ (4 CPU) 15:32:27 LINUX RESTART (4 CPU) 15:40:08 CPU %user %nice %system %iowait %steal %idle 15:50:14 all 14.80 0.00 0.95 0.10 0.01 84.14 15:50:14 0 14.52 0.00 1.02 0.10 0.01 84.35 15:50:14 1 14.87 0.00 0.92 0.08 0.01 84.12 15:50:14 2 15.00 0.00 0.90 0.19 0.01 83.90 15:50:14 3 14.81 0.00 0.94 0.04 0.01 84.19 16:00:36 all 51.58 0.00 3.05 0.61 0.03 44.73 16:00:36 0 50.61 0.00 3.29 0.20 0.02 45.87 16:00:36 1 50.57 0.00 2.85 0.66 0.03 45.90 16:00:36 2 51.22 0.00 2.87 1.24 0.03 44.64 16:00:36 3 53.91 0.00 3.21 0.33 0.03 42.52 Average: all 33.41 0.00 2.01 0.36 0.02 64.20 Average: 0 32.78 0.00 2.17 0.15 0.02 64.88 Average: 1 32.93 0.00 1.89 0.37 0.02 64.78 Average: 2 33.32 0.00 1.90 0.72 0.02 64.04 Average: 3 34.61 0.00 2.09 0.19 0.02 63.09