---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-781 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 25G 131G 16% / 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 875 12606 4 18610 30749 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:3e:cc:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.72/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84038sec preferred_lft 84038sec inet6 fe80::f816:3eff:fe3e:ccf3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:76:22:6c:9a:96 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::7476:22ff:fe6c:9a96/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-781) 03/01/26 _x86_64_ (8 CPU) 12:16:28 LINUX RESTART (8 CPU) 12:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 1.50 0.05 1.45 0.01 2.48 19.17 221.79 12:40:15 34.60 3.17 30.57 0.87 221.59 1604.22 1134.55 12:50:00 384.91 0.96 374.48 9.46 57.64 64605.37 297657.17 Average: 137.48 1.41 132.69 3.38 95.19 21562.87 97256.35 12:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 30168244 31793460 594536 1.81 59888 1904164 1492984 4.40 181280 2237036 8 12:40:15 29211192 31477116 864224 2.63 105272 2459280 1559480 4.60 313040 2982600 204740 12:50:00 15312280 30926164 1319172 4.01 402392 14799348 1808556 5.33 8054876 8284424 0 Average: 24897239 31398913 925977 2.82 189184 6387597 1620340 4.78 2849732 4501353 68249 12:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 ens3 0.51 0.32 0.21 0.33 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:15 lo 0.36 0.36 0.07 0.07 0.00 0.00 0.00 0.00 12:40:15 ens3 36.63 26.66 257.63 8.72 0.00 0.00 0.00 0.00 12:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 0.44 0.44 0.09 0.09 0.00 0.00 0.00 0.00 12:50:00 ens3 179.12 110.89 2815.78 2424.76 0.00 0.00 0.00 0.00 12:50:00 docker0 3.51 4.59 0.20 129.70 0.00 0.00 0.00 0.00 Average: lo 0.30 0.30 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 70.92 45.26 1003.65 791.59 0.00 0.00 0.00 0.00 Average: docker0 1.14 1.49 0.06 42.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-781) 03/01/26 _x86_64_ (8 CPU) 12:16:28 LINUX RESTART (8 CPU) 12:20:01 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.08 0.00 0.01 0.01 0.01 99.88 12:30:01 0 0.01 0.00 0.01 0.00 0.01 99.97 12:30:01 1 0.02 0.00 0.01 0.00 0.01 99.96 12:30:01 2 0.07 0.00 0.02 0.00 0.03 99.87 12:30:01 3 0.04 0.00 0.03 0.00 0.02 99.91 12:30:01 4 0.03 0.00 0.01 0.04 0.01 99.91 12:30:01 5 0.48 0.00 0.02 0.00 0.01 99.49 12:30:01 6 0.01 0.00 0.00 0.00 0.01 99.98 12:30:01 7 0.02 0.00 0.01 0.01 0.02 99.95 12:40:15 all 1.93 0.00 0.20 0.16 0.02 97.70 12:40:15 0 1.14 0.00 0.23 0.34 0.03 98.25 12:40:15 1 1.75 0.00 0.11 0.03 0.01 98.10 12:40:15 2 1.57 0.00 0.14 0.07 0.03 98.18 12:40:15 3 3.01 0.00 0.35 0.20 0.01 96.43 12:40:15 4 3.77 0.00 0.35 0.50 0.02 95.36 12:40:15 5 0.99 0.00 0.09 0.03 0.02 98.87 12:40:15 6 1.82 0.02 0.18 0.08 0.01 97.89 12:40:15 7 1.36 0.00 0.10 0.03 0.02 98.50 12:50:00 all 9.67 0.00 5.76 1.64 0.08 82.85 12:50:00 0 9.22 0.00 5.44 1.76 0.09 83.49 12:50:00 1 11.34 0.00 6.44 2.46 0.09 79.67 12:50:00 2 10.78 0.00 5.72 1.37 0.08 82.04 12:50:00 3 8.60 0.00 5.41 1.10 0.07 84.81 12:50:00 4 10.22 0.00 5.91 2.00 0.08 81.79 12:50:00 5 8.45 0.00 5.77 1.91 0.08 83.79 12:50:00 6 9.83 0.00 6.01 1.21 0.08 82.86 12:50:00 7 8.93 0.00 5.40 1.30 0.07 84.30 Average: all 3.81 0.00 1.93 0.59 0.04 93.64 Average: 0 3.37 0.00 1.84 0.69 0.04 94.06 Average: 1 4.26 0.00 2.12 0.80 0.03 92.78 Average: 2 4.04 0.00 1.90 0.47 0.05 93.54 Average: 3 3.83 0.00 1.88 0.42 0.03 93.84 Average: 4 4.60 0.00 2.03 0.83 0.04 92.51 Average: 5 3.23 0.00 1.90 0.62 0.04 94.21 Average: 6 3.79 0.01 2.00 0.42 0.03 93.75 Average: 7 3.35 0.00 1.78 0.43 0.04 94.41