---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19879 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 9.5G 146G 7% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 691 27492 4 3907 30933 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:af:b6:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84429sec preferred_lft 84429sec inet6 fe80::f816:3eff:feaf:b61d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:e5:d6:94:6b:3b 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19879) 05/25/26 _x86_64_ (8 CPU) 10:34:31 LINUX RESTART (8 CPU) 10:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:08 1.65 0.00 1.64 0.00 0.04 18.24 219.94 11:00:00 49.55 4.77 43.06 1.73 276.45 5058.99 3780.50 Average: 25.36 2.36 22.14 0.86 136.88 2513.66 1982.59 10:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:08 30251108 31895908 490928 1.49 59944 1922784 1511048 4.46 199496 2130744 32 11:00:00 27259148 30295920 2018624 6.14 133280 3180656 2226828 6.57 566400 4638800 24344 Average: 28755128 31095914 1254776 3.82 96612 2551720 1868938 5.51 382948 3384772 12188 10:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:08 ens3 0.29 0.10 0.05 0.02 0.00 0.00 0.00 0.00 10:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:00 lo 478.76 478.76 456.05 456.05 0.00 0.00 0.00 0.00 11:00:00 ens3 132.90 100.15 1124.35 20.68 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 237.06 237.06 225.77 225.77 0.00 0.00 0.00 0.00 Average: ens3 65.94 49.63 556.64 10.25 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19879) 05/25/26 _x86_64_ (8 CPU) 10:34:31 LINUX RESTART (8 CPU) 10:40:04 CPU %user %nice %system %iowait %steal %idle 10:50:08 all 0.09 0.00 0.02 0.01 0.01 99.88 10:50:08 0 0.02 0.00 0.01 0.00 0.00 99.97 10:50:08 1 0.59 0.00 0.02 0.04 0.01 99.34 10:50:08 2 0.00 0.00 0.01 0.00 0.00 99.99 10:50:08 3 0.01 0.00 0.01 0.00 0.00 99.98 10:50:08 4 0.01 0.00 0.01 0.00 0.00 99.97 10:50:08 5 0.02 0.00 0.03 0.00 0.01 99.93 10:50:08 6 0.02 0.00 0.02 0.00 0.01 99.95 10:50:08 7 0.01 0.00 0.01 0.00 0.01 99.96 11:00:00 all 16.37 0.00 0.82 0.16 0.04 82.61 11:00:00 0 18.38 0.00 0.74 0.10 0.04 80.74 11:00:00 1 17.75 0.00 0.89 0.44 0.05 80.87 11:00:00 2 14.92 0.00 0.94 0.42 0.04 83.68 11:00:00 3 15.36 0.00 0.81 0.08 0.04 83.70 11:00:00 4 16.49 0.00 0.72 0.08 0.04 82.67 11:00:00 5 15.37 0.00 1.01 0.04 0.04 83.54 11:00:00 6 14.57 0.00 0.61 0.01 0.03 84.77 11:00:00 7 18.13 0.00 0.85 0.08 0.04 80.90 Average: all 8.14 0.00 0.41 0.08 0.02 91.34 Average: 0 9.10 0.00 0.37 0.05 0.02 90.45 Average: 1 9.07 0.00 0.45 0.24 0.03 90.21 Average: 2 7.38 0.00 0.47 0.21 0.02 91.92 Average: 3 7.60 0.00 0.41 0.04 0.02 91.93 Average: 4 8.16 0.00 0.36 0.04 0.02 91.41 Average: 5 7.62 0.00 0.52 0.02 0.03 91.82 Average: 6 7.22 0.00 0.31 0.01 0.02 92.44 Average: 7 8.98 0.00 0.43 0.04 0.02 90.53