---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1374 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 17G 139G 11% / 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 757 19588 4 11746 30867 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:49:70:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fe49:70c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:0b:99:b6:0a:8c 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::540b:99ff:feb6:a8c/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-1374) 08/02/26 _x86_64_ (8 CPU) 00:23:14 LINUX RESTART (8 CPU) 00:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:05 11.37 0.06 10.92 0.40 1.91 4955.48 59.49 00:50:22 40.18 2.12 37.03 1.03 309.90 19162.08 3309.03 Average: 25.95 1.10 24.13 0.72 157.72 12142.46 1703.40 00:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:05 22522324 29175192 3124392 9.51 168316 6613988 3262304 9.62 1638488 8128624 1281736 00:50:22 20316544 31658724 616736 1.88 226948 11045264 1397136 4.12 2948000 8766988 496 Average: 21419434 30416958 1870564 5.69 197632 8829626 2329720 6.87 2293244 8447806 641116 00:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:05 lo 1.72 1.72 0.15 0.15 0.00 0.00 0.00 0.00 00:40:05 ens3 58.44 46.17 234.05 12.94 0.00 0.00 0.00 0.00 00:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:22 lo 186.32 186.32 183.68 183.68 0.00 0.00 0.00 0.00 00:50:22 ens3 122.65 100.06 332.34 1319.23 0.00 0.00 0.00 0.00 00:50:22 docker0 76.19 89.64 1310.95 11.11 0.00 0.00 0.00 0.00 00:50:22 veth5ccca85 76.18 89.65 1311.99 11.11 0.00 0.00 0.00 0.11 Average: lo 95.11 95.11 93.00 93.00 0.00 0.00 0.00 0.00 Average: ens3 90.93 73.44 283.77 673.78 0.00 0.00 0.00 0.00 Average: docker0 38.54 45.35 663.20 5.62 0.00 0.00 0.00 0.00 Average: veth5ccca85 38.54 45.35 663.72 5.62 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-1374) 08/02/26 _x86_64_ (8 CPU) 00:23:14 LINUX RESTART (8 CPU) 00:30:03 CPU %user %nice %system %iowait %steal %idle 00:40:05 all 32.61 0.00 1.40 0.08 0.09 65.82 00:40:05 0 26.00 0.00 1.22 0.01 0.09 72.69 00:40:05 1 41.14 0.00 1.78 0.12 0.09 56.87 00:40:05 2 35.81 0.00 1.37 0.08 0.10 62.64 00:40:05 3 34.14 0.00 1.58 0.04 0.09 64.15 00:40:05 4 33.77 0.00 1.44 0.01 0.10 64.68 00:40:05 5 28.81 0.00 1.32 0.03 0.09 69.74 00:40:05 6 30.19 0.00 1.30 0.16 0.09 68.27 00:40:05 7 31.01 0.00 1.23 0.17 0.10 67.49 00:50:22 all 14.08 0.00 1.25 0.29 0.07 84.30 00:50:22 0 13.22 0.00 1.30 0.29 0.06 85.13 00:50:22 1 15.40 0.00 1.30 0.23 0.11 82.97 00:50:22 2 15.29 0.00 1.08 0.59 0.07 82.96 00:50:22 3 13.70 0.00 1.06 0.44 0.08 84.72 00:50:22 4 12.90 0.00 0.90 0.16 0.06 85.98 00:50:22 5 13.51 0.00 0.88 0.12 0.07 85.42 00:50:22 6 13.80 0.00 1.68 0.29 0.07 84.17 00:50:22 7 14.85 0.00 1.83 0.19 0.07 83.06 Average: all 23.23 0.00 1.33 0.18 0.08 75.18 Average: 0 19.53 0.00 1.26 0.15 0.07 78.99 Average: 1 28.10 0.00 1.53 0.18 0.10 70.09 Average: 2 25.42 0.00 1.22 0.34 0.09 72.93 Average: 3 23.78 0.00 1.32 0.24 0.08 74.58 Average: 4 23.20 0.00 1.17 0.09 0.08 75.47 Average: 5 21.07 0.00 1.10 0.08 0.08 77.67 Average: 6 21.89 0.00 1.49 0.22 0.08 76.32 Average: 7 22.82 0.00 1.53 0.18 0.08 75.38