---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2479 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 138G 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 764 19259 4 12068 30859 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:9c:e2:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84482sec preferred_lft 84482sec inet6 fe80::f816:3eff:fe9c:e285/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:8e:a8:e7:43:b4 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::c8e:a8ff:fee7:43b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-8c-8g-2479) 01/21/26 _x86_64_ (8 CPU) 00:23:59 LINUX RESTART (8 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:13 27.82 0.23 12.75 14.84 9.47 7952.87 498315.41 00:50:01 47.08 2.04 44.04 1.00 325.23 18093.03 1780.79 Average: 37.26 1.12 28.09 8.06 164.27 12924.14 254886.56 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:13 22006248 28897824 3401024 10.35 164484 6862836 3643356 10.74 1903512 8409688 641728 00:50:01 19969076 31639296 636436 1.94 217880 11392832 1465524 4.32 3238980 8858260 112 Average: 20987662 30268560 2018730 6.14 191182 9127834 2554440 7.53 2571246 8633974 320920 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:13 lo 1.81 1.81 0.18 0.18 0.00 0.00 0.00 0.00 00:40:13 ens3 53.91 42.31 229.42 12.47 0.00 0.00 0.00 0.00 00:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 4708.13 4708.13 4496.04 4496.04 0.00 0.00 0.00 0.00 00:50:01 ens3 124.47 108.08 344.63 1237.16 0.00 0.00 0.00 0.00 00:50:01 docker0 74.82 75.69 1226.79 69.45 0.00 0.00 0.00 0.00 00:50:01 veth7631aee 72.64 73.10 1227.65 7.32 0.00 0.00 0.00 0.10 Average: lo 2309.11 2309.11 2204.30 2204.30 0.00 0.00 0.00 0.00 Average: ens3 88.50 74.55 285.90 612.88 0.00 0.00 0.00 0.00 Average: docker0 36.68 37.11 601.44 34.05 0.00 0.00 0.00 0.00 Average: veth7631aee 35.61 35.84 601.86 3.59 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-8c-8g-2479) 01/21/26 _x86_64_ (8 CPU) 00:23:59 LINUX RESTART (8 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:13 all 34.95 0.00 1.38 0.09 0.07 63.51 00:40:13 0 35.68 0.00 1.48 0.00 0.07 62.76 00:40:13 1 37.32 0.00 1.67 0.13 0.07 60.82 00:40:13 2 37.48 0.00 1.34 0.01 0.07 61.10 00:40:13 3 38.21 0.00 1.54 0.02 0.07 60.15 00:40:13 4 33.93 0.00 1.40 0.02 0.08 64.57 00:40:13 5 31.83 0.00 1.26 0.04 0.07 66.81 00:40:13 6 33.95 0.00 1.03 0.01 0.07 64.94 00:40:13 7 31.21 0.00 1.33 0.46 0.07 66.93 00:50:01 all 14.25 0.00 1.95 0.46 0.04 83.30 00:50:01 0 18.44 0.00 2.92 0.41 0.05 78.18 00:50:01 1 16.73 0.00 1.98 0.38 0.05 80.86 00:50:01 2 15.84 0.00 1.64 0.35 0.04 82.13 00:50:01 3 13.71 0.00 2.76 0.19 0.04 83.31 00:50:01 4 14.70 0.00 1.53 0.58 0.04 83.15 00:50:01 5 12.23 0.00 1.80 0.63 0.04 85.30 00:50:01 6 11.85 0.00 1.95 0.68 0.04 85.48 00:50:01 7 10.49 0.00 1.03 0.48 0.04 87.95 Average: all 24.81 0.00 1.66 0.27 0.06 73.20 Average: 0 27.25 0.00 2.19 0.20 0.06 70.30 Average: 1 27.22 0.00 1.82 0.25 0.06 70.64 Average: 2 26.88 0.00 1.49 0.17 0.06 71.40 Average: 3 26.23 0.00 2.13 0.10 0.05 71.48 Average: 4 24.49 0.00 1.46 0.30 0.06 73.69 Average: 5 22.22 0.00 1.52 0.33 0.06 75.87 Average: 6 23.14 0.00 1.48 0.34 0.05 74.99 Average: 7 21.04 0.00 1.18 0.47 0.05 77.25