---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-26940 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 747 19584 4 11760 30877 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:b0:36:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84538sec preferred_lft 84538sec inet6 fe80::f816:3eff:feb0:36fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:91:ca:f6:9d:e3 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::1c91:caff:fef6:9de3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-26940) 06/13/26 _x86_64_ (8 CPU) 00:23:22 LINUX RESTART (8 CPU) 00:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 26.94 0.06 11.38 15.50 2.11 5063.52 516293.49 00:50:18 49.12 2.13 45.96 1.03 313.21 19189.29 2390.24 Average: 38.26 1.12 29.03 8.11 160.93 12274.74 253945.29 00:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 21386436 28392600 3905744 11.89 168680 6957396 4241796 12.51 1795704 9098528 1610428 00:50:18 20316164 31672580 602744 1.83 226692 11060224 1395824 4.12 2954956 8766220 368 Average: 20851300 30032590 2254244 6.86 197686 9008810 2818810 8.31 2375330 8932374 805398 00:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.59 1.59 0.15 0.15 0.00 0.00 0.00 0.00 00:40:01 ens3 63.32 51.47 238.90 13.28 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:18 lo 182.45 182.45 179.39 179.39 0.00 0.00 0.00 0.00 00:50:18 ens3 123.81 108.70 333.09 1320.15 0.00 0.00 0.00 0.00 00:50:18 docker0 77.33 74.48 1310.15 10.07 0.00 0.00 0.00 0.00 00:50:18 veth04a8c8a 77.32 74.49 1311.21 10.07 0.00 0.00 0.00 0.11 Average: lo 93.92 93.92 91.65 91.65 0.00 0.00 0.00 0.00 Average: ens3 94.20 80.69 286.98 680.44 0.00 0.00 0.00 0.00 Average: docker0 39.48 38.02 668.83 5.14 0.00 0.00 0.00 0.00 Average: veth04a8c8a 39.47 38.03 669.37 5.14 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-26940) 06/13/26 _x86_64_ (8 CPU) 00:23:22 LINUX RESTART (8 CPU) 00:30:10 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 33.57 0.00 1.29 0.05 0.07 65.02 00:40:01 0 32.35 0.00 1.10 0.14 0.07 66.33 00:40:01 1 36.19 0.00 1.38 0.04 0.07 62.33 00:40:01 2 33.31 0.00 1.20 0.06 0.07 65.36 00:40:01 3 33.03 0.00 1.24 0.07 0.07 65.58 00:40:01 4 31.16 0.00 1.30 0.03 0.06 67.45 00:40:01 5 38.42 0.00 1.39 0.03 0.07 60.09 00:40:01 6 30.92 0.00 1.31 0.04 0.07 67.66 00:40:01 7 33.17 0.00 1.39 0.02 0.07 65.37 00:50:18 all 13.32 0.00 1.17 0.20 0.05 85.27 00:50:18 0 9.18 0.00 0.72 0.27 0.04 89.79 00:50:18 1 11.56 0.00 0.68 0.09 0.05 87.63 00:50:18 2 17.56 0.00 1.97 0.06 0.05 80.36 00:50:18 3 17.33 0.00 1.73 0.29 0.05 80.60 00:50:18 4 15.64 0.00 1.57 0.10 0.05 82.64 00:50:18 5 11.91 0.00 1.03 0.52 0.05 86.50 00:50:18 6 11.45 0.00 0.89 0.19 0.05 87.42 00:50:18 7 11.89 0.00 0.80 0.05 0.04 87.22 Average: all 23.22 0.00 1.23 0.13 0.06 75.36 Average: 0 20.51 0.00 0.91 0.21 0.05 78.32 Average: 1 23.60 0.00 1.02 0.06 0.06 75.26 Average: 2 25.25 0.00 1.59 0.06 0.06 73.03 Average: 3 25.00 0.00 1.49 0.18 0.06 73.26 Average: 4 23.25 0.00 1.44 0.07 0.06 75.19 Average: 5 24.88 0.00 1.21 0.28 0.06 73.58 Average: 6 20.98 0.00 1.10 0.12 0.06 77.75 Average: 7 22.30 0.00 1.09 0.04 0.05 76.52