---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-34080 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 750 19575 4 11766 30874 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:1c:2b:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84549sec preferred_lft 84549sec inet6 fe80::f816:3eff:fe1c:2b15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:f9:6f:59:7f:3c 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::e4f9:6fff:fe59:7f3c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-34080) 08/11/26 _x86_64_ (8 CPU) 00:23:16 LINUX RESTART (8 CPU) 00:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:05 11.31 0.06 10.86 0.39 3.11 5038.39 569.15 00:50:22 37.24 2.16 34.03 1.05 313.50 19118.55 3008.86 Average: 24.44 1.13 22.59 0.72 160.30 12168.78 1804.65 00:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:05 22151364 28823532 3476224 10.58 167996 6633956 3576752 10.55 1637684 8512632 1273824 00:50:22 20288800 31651200 624560 1.90 226428 11066292 1428916 4.21 2949300 8806036 408 Average: 21220082 30237366 2050392 6.24 197212 8850124 2502834 7.38 2293492 8659334 637116 00:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:05 lo 1.71 1.71 0.15 0.15 0.00 0.00 0.00 0.00 00:40:05 ens3 63.83 50.77 235.38 13.94 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 199.56 199.56 195.93 195.93 0.00 0.00 0.00 0.00 00:50:22 ens3 124.65 114.96 333.07 1319.69 0.00 0.00 0.00 0.00 00:50:22 docker0 84.65 80.82 1309.86 10.47 0.00 0.00 0.00 0.00 00:50:22 veth4e8a882 84.65 80.83 1311.02 10.47 0.00 0.00 0.00 0.11 Average: lo 101.90 101.90 99.30 99.30 0.00 0.00 0.00 0.00 Average: ens3 94.63 83.28 284.85 675.19 0.00 0.00 0.00 0.00 Average: docker0 42.87 40.93 663.33 5.30 0.00 0.00 0.00 0.00 Average: veth4e8a882 42.87 40.94 663.92 5.30 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-34080) 08/11/26 _x86_64_ (8 CPU) 00:23:16 LINUX RESTART (8 CPU) 00:30:03 CPU %user %nice %system %iowait %steal %idle 00:40:05 all 33.44 0.00 1.36 0.03 0.09 65.08 00:40:05 0 34.35 0.00 1.44 0.07 0.09 64.05 00:40:05 1 34.71 0.00 1.45 0.03 0.09 63.72 00:40:05 2 35.57 0.00 1.22 0.01 0.10 63.10 00:40:05 3 32.12 0.00 1.23 0.05 0.09 66.51 00:40:05 4 29.64 0.00 1.22 0.02 0.08 69.04 00:40:05 5 31.36 0.00 1.52 0.02 0.09 67.01 00:40:05 6 35.08 0.00 1.38 0.01 0.09 63.44 00:40:05 7 34.67 0.00 1.44 0.04 0.09 63.76 00:50:22 all 14.38 0.00 1.25 0.14 0.05 84.18 00:50:22 0 13.99 0.00 1.08 0.06 0.06 84.82 00:50:22 1 15.00 0.00 0.97 0.12 0.05 83.86 00:50:22 2 12.92 0.00 0.82 0.26 0.05 85.95 00:50:22 3 16.75 0.00 1.83 0.10 0.06 81.27 00:50:22 4 14.73 0.00 1.40 0.14 0.06 83.66 00:50:22 5 15.14 0.00 1.69 0.07 0.06 83.04 00:50:22 6 15.29 0.00 1.38 0.12 0.05 83.15 00:50:22 7 11.20 0.00 0.85 0.24 0.05 87.66 Average: all 23.78 0.00 1.31 0.09 0.07 74.75 Average: 0 24.02 0.00 1.26 0.07 0.07 74.59 Average: 1 24.73 0.00 1.21 0.07 0.07 73.91 Average: 2 24.11 0.00 1.02 0.14 0.07 74.66 Average: 3 24.33 0.00 1.53 0.07 0.07 73.99 Average: 4 22.10 0.00 1.31 0.08 0.07 76.44 Average: 5 23.14 0.00 1.61 0.05 0.07 75.13 Average: 6 25.05 0.00 1.38 0.07 0.07 73.43 Average: 7 22.78 0.00 1.14 0.14 0.07 75.87