---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8179 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 11G 145G 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 727 26521 4 4843 30897 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:15:d9:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84107sec preferred_lft 84107sec inet6 fe80::f816:3eff:fe15:d97e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:57:d4:6e:70:82 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 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8179) 02/06/26 _x86_64_ (8 CPU) 07:56:32 LINUX RESTART (8 CPU) 08:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:00 3.97 0.41 3.34 0.22 404.02 399.99 309.33 08:20:00 1.30 0.01 1.29 0.00 0.05 14.71 0.00 08:30:00 38.06 3.45 33.72 0.89 213.71 4507.72 3214.40 Average: 14.44 1.29 12.78 0.37 205.93 1640.81 1174.58 08:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:00 30020164 31862692 520224 1.58 62720 2116020 1499852 4.42 335988 2209400 16 08:20:00 30018944 31861828 521428 1.59 63056 2116028 1499852 4.42 336332 2210108 8 08:30:00 26276116 29481904 2830712 8.61 168344 3278896 3194844 9.42 657064 5507744 113216 Average: 28771741 31068808 1290788 3.93 98040 2503648 2064849 6.09 443128 3309084 37747 08:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:00 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:10:00 ens3 12.37 8.46 127.89 0.67 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:20:00 ens3 0.31 0.11 0.08 0.04 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 08:30:00 ens3 92.59 71.58 678.45 17.88 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.18 0.18 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 35.09 26.72 268.81 6.20 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 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8179) 02/06/26 _x86_64_ (8 CPU) 07:56:32 LINUX RESTART (8 CPU) 08:00:00 CPU %user %nice %system %iowait %steal %idle 08:10:00 all 0.16 0.00 0.06 0.34 0.01 99.42 08:10:00 0 0.16 0.00 0.05 0.09 0.01 99.70 08:10:00 1 0.15 0.00 0.05 0.02 0.01 99.77 08:10:00 2 0.11 0.00 0.06 0.34 0.01 99.48 08:10:00 3 0.17 0.00 0.06 0.08 0.01 99.68 08:10:00 4 0.21 0.00 0.04 0.07 0.01 99.67 08:10:00 5 0.13 0.00 0.07 0.06 0.01 99.73 08:10:00 6 0.10 0.00 0.06 0.06 0.01 99.77 08:10:00 7 0.28 0.00 0.09 2.03 0.02 97.58 08:20:00 all 0.03 0.00 0.01 0.33 0.01 99.62 08:20:00 0 0.01 0.00 0.01 0.01 0.01 99.97 08:20:00 1 0.03 0.00 0.01 0.06 0.01 99.88 08:20:00 2 0.01 0.00 0.02 0.34 0.01 99.63 08:20:00 3 0.01 0.00 0.01 0.04 0.00 99.94 08:20:00 4 0.14 0.00 0.01 0.09 0.00 99.76 08:20:00 5 0.01 0.00 0.01 0.03 0.00 99.96 08:20:00 6 0.02 0.00 0.02 0.05 0.02 99.90 08:20:00 7 0.02 0.00 0.01 2.05 0.01 97.92 08:30:00 all 14.49 0.00 0.62 0.22 0.04 84.63 08:30:00 0 11.82 0.00 0.73 0.16 0.04 87.26 08:30:00 1 14.39 0.00 0.68 0.43 0.04 84.46 08:30:00 2 16.45 0.00 0.72 0.11 0.04 82.68 08:30:00 3 16.69 0.00 0.59 0.02 0.03 82.67 08:30:00 4 14.39 0.00 0.62 0.09 0.04 84.87 08:30:00 5 15.68 0.00 0.56 0.02 0.04 83.70 08:30:00 6 12.81 0.00 0.65 0.50 0.03 86.00 08:30:00 7 13.69 0.00 0.41 0.45 0.04 85.41 Average: all 4.89 0.00 0.23 0.30 0.02 94.56 Average: 0 4.00 0.00 0.26 0.09 0.02 95.64 Average: 1 4.85 0.00 0.25 0.17 0.02 94.71 Average: 2 5.52 0.00 0.27 0.26 0.02 93.93 Average: 3 5.62 0.00 0.22 0.05 0.01 94.10 Average: 4 4.92 0.00 0.22 0.08 0.02 94.76 Average: 5 5.27 0.00 0.21 0.03 0.01 94.47 Average: 6 4.31 0.00 0.24 0.20 0.02 95.23 Average: 7 4.66 0.00 0.17 1.51 0.02 93.64