---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-35589 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 18G 138G 12% / 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 729 19183 4 12179 30895 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:a6:c0:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84528sec preferred_lft 84528sec inet6 fe80::f816:3eff:fea6:c02d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:4d:4f:dc:ac:f1 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::4d:4fff:fedc:acf1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-35589) 07/14/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 21.73 0.49 20.71 0.53 17.45 15286.47 259.26 00:30:30 29.81 1.79 27.03 0.98 297.64 9882.88 3116.45 Average: 25.86 1.15 23.94 0.76 160.77 12522.51 1720.72 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19415656 28156424 4133820 12.58 189660 8604724 4421560 13.04 2079036 10707940 140 00:30:30 18633776 30584752 1688060 5.14 230080 11629956 2594476 7.65 3075032 10333184 76840 Average: 19024716 29370588 2910940 8.86 209870 10117340 3508018 10.34 2577034 10520562 38490 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 231.70 231.70 226.79 226.79 0.00 0.00 0.00 0.00 00:20:01 ens3 54.76 46.85 319.06 12.50 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:30 lo 15.22 15.22 1.71 1.71 0.00 0.00 0.00 0.00 00:30:30 ens3 171.12 183.46 464.19 2629.93 0.00 0.00 0.00 0.00 00:30:30 docker0 74.69 65.63 1313.12 9.32 0.00 0.00 0.00 0.00 Average: lo 120.97 120.97 111.66 111.66 0.00 0.00 0.00 0.00 Average: ens3 114.28 116.73 393.30 1351.32 0.00 0.00 0.00 0.00 Average: docker0 38.20 33.57 671.67 4.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-35589) 07/14/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 28.72 0.00 1.32 0.11 0.07 69.78 00:20:01 0 23.63 0.00 1.17 0.06 0.07 75.07 00:20:01 1 31.97 0.00 1.76 0.03 0.07 66.16 00:20:01 2 29.71 0.00 1.56 0.29 0.07 68.36 00:20:01 3 26.72 0.00 1.31 0.06 0.07 71.84 00:20:01 4 29.92 0.00 1.20 0.29 0.07 68.52 00:20:01 5 31.44 0.00 1.19 0.01 0.07 67.29 00:20:01 6 28.34 0.00 1.19 0.09 0.07 70.32 00:20:01 7 28.00 0.00 1.18 0.09 0.07 70.66 00:30:30 all 11.18 0.00 1.02 0.15 0.04 87.61 00:30:30 0 10.09 0.00 0.76 0.03 0.04 89.09 00:30:30 1 13.78 0.00 0.76 0.06 0.05 85.35 00:30:30 2 7.32 0.00 0.64 0.14 0.04 91.86 00:30:30 3 14.42 0.00 0.99 0.10 0.05 84.44 00:30:30 4 10.70 0.00 1.54 0.21 0.05 87.51 00:30:30 5 11.50 0.00 1.15 0.23 0.05 87.07 00:30:30 6 10.75 0.00 1.17 0.34 0.04 87.70 00:30:30 7 10.89 0.00 1.13 0.06 0.05 87.86 Average: all 19.74 0.00 1.17 0.13 0.06 78.91 Average: 0 16.70 0.00 0.96 0.04 0.05 82.25 Average: 1 22.66 0.00 1.25 0.04 0.06 75.99 Average: 2 18.25 0.00 1.09 0.22 0.05 80.39 Average: 3 20.42 0.00 1.15 0.08 0.06 78.29 Average: 4 20.08 0.00 1.37 0.25 0.06 78.24 Average: 5 21.23 0.00 1.17 0.12 0.06 77.42 Average: 6 19.33 0.00 1.18 0.22 0.06 79.21 Average: 7 19.24 0.00 1.15 0.08 0.06 79.47