---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19194 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 28G 128G 18% / 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 869 9008 4 22214 30754 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:f9:ef:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.123/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84233sec preferred_lft 84233sec inet6 fe80::f816:3eff:fef9:ef65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:3c:ed:3f:60:60 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::b03c:edff:fe3f:6060/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19194) 02/22/26 _x86_64_ (8 CPU) 10:00:00 LINUX RESTART (8 CPU) 10:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:02 211.59 0.28 203.79 7.52 3.71 41868.77 49025.62 10:30:02 3.99 0.00 3.87 0.12 0.00 539.57 7636.94 Average: 107.79 0.14 103.84 3.82 1.85 21205.21 28332.31 10:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:02 7787832 27678564 4628604 14.08 563552 18366640 4992120 14.72 5700820 17680448 3248 10:30:02 7524156 27673668 4773460 14.53 571240 18444612 5149008 15.18 5709044 17906056 15860 Average: 7655994 27676116 4701032 14.31 567396 18405626 5070564 14.95 5704932 17793252 9554 10:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:02 lo 0.31 0.31 0.04 0.04 0.00 0.00 0.00 0.00 10:20:02 ens3 132.22 82.43 1507.44 17.88 0.00 0.00 0.00 0.00 10:20:02 docker0 31.77 47.31 1.81 593.26 0.00 0.00 0.00 0.00 10:20:02 veth12051ad 3.45 7.58 0.32 153.51 0.00 0.00 0.00 0.01 10:30:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:02 ens3 17.37 11.05 42.46 2.94 0.00 0.00 0.00 0.00 10:30:02 docker0 10.58 15.57 2.06 41.58 0.00 0.00 0.00 0.00 10:30:02 veth12051ad 10.58 15.57 2.20 41.58 0.00 0.00 0.00 0.00 Average: lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 74.80 46.74 774.99 10.41 0.00 0.00 0.00 0.00 Average: docker0 21.17 31.44 1.93 317.43 0.00 0.00 0.00 0.00 Average: veth12051ad 7.02 11.57 1.26 97.55 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19194) 02/22/26 _x86_64_ (8 CPU) 10:00:00 LINUX RESTART (8 CPU) 10:10:02 CPU %user %nice %system %iowait %steal %idle 10:20:02 all 17.14 0.00 2.35 0.52 0.05 79.93 10:20:02 0 24.05 0.00 2.48 0.17 0.06 73.24 10:20:02 1 19.89 0.00 3.03 0.62 0.06 76.39 10:20:02 2 28.32 0.00 2.85 0.60 0.06 68.16 10:20:02 3 15.62 0.00 2.07 0.43 0.05 81.83 10:20:02 4 13.15 0.00 2.24 0.88 0.05 83.69 10:20:02 5 9.61 0.00 2.13 0.51 0.05 87.70 10:20:02 6 11.01 0.00 2.20 0.48 0.05 86.26 10:20:02 7 15.48 0.00 1.79 0.48 0.05 82.19 10:30:02 all 12.17 0.00 0.24 0.01 0.03 87.55 10:30:02 0 0.30 0.00 0.12 0.00 0.03 99.55 10:30:02 1 0.25 0.00 0.10 0.00 0.03 99.62 10:30:02 2 44.65 0.00 0.28 0.00 0.04 55.04 10:30:02 3 13.03 0.00 0.13 0.00 0.02 86.82 10:30:02 4 0.76 0.00 0.16 0.07 0.02 99.00 10:30:02 5 37.80 0.00 0.95 0.01 0.03 61.21 10:30:02 6 0.29 0.00 0.13 0.02 0.03 99.53 10:30:02 7 0.28 0.00 0.05 0.00 0.01 99.66 Average: all 14.65 0.00 1.29 0.27 0.04 83.75 Average: 0 12.15 0.00 1.30 0.09 0.05 86.42 Average: 1 10.05 0.00 1.56 0.31 0.05 88.03 Average: 2 36.50 0.00 1.56 0.30 0.05 61.58 Average: 3 14.32 0.00 1.10 0.21 0.03 84.34 Average: 4 6.94 0.00 1.20 0.47 0.03 91.36 Average: 5 23.73 0.00 1.54 0.26 0.04 74.43 Average: 6 5.64 0.00 1.16 0.25 0.04 92.91 Average: 7 7.88 0.00 0.92 0.24 0.03 90.93