---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8513 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 144G 8% / 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 890 25116 4 6085 30733 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:1d:bf:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83619sec preferred_lft 83619sec inet6 fe80::f816:3eff:fe1d:bfba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:1f:ec:f9:ab:ee 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 ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8513) 02/07/26 _x86_64_ (8 CPU) 17:58:28 LINUX RESTART (8 CPU) 18:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:05 20.22 3.36 15.60 1.26 172.39 3048.71 2789.22 18:20:11 28.55 0.15 24.92 3.48 6.11 3021.18 15840.38 18:30:01 37.28 0.00 32.38 4.90 0.05 2954.29 16457.58 18:40:13 34.54 0.13 30.04 4.37 6.22 7035.95 9706.16 Average: 30.12 0.91 25.71 3.50 46.32 4030.51 11164.56 18:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:05 27734176 30521716 1802296 5.48 127324 2946784 2154620 6.35 552600 4204812 53396 18:20:11 25778828 29193000 3115540 9.48 166076 3479916 3216012 9.48 716868 5915860 8824 18:30:01 25417112 29366608 2937584 8.94 203652 3928948 3570712 10.53 852788 6091940 34904 18:40:13 25919744 31656392 640616 1.95 230840 5614588 1224668 3.61 1480716 4842864 8 Average: 26212465 30184429 2124009 6.46 181973 3992559 2541503 7.49 900743 5263869 24283 18:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:05 lo 374.19 374.19 356.18 356.18 0.00 0.00 0.00 0.00 18:10:05 ens3 87.37 66.72 827.57 13.65 0.00 0.00 0.00 0.00 18:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:11 lo 1278.83 1278.83 1216.37 1216.37 0.00 0.00 0.00 0.00 18:20:11 ens3 64.03 45.88 26.27 17.35 0.00 0.00 0.00 0.00 18:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 lo 2020.85 2020.85 1924.25 1924.25 0.00 0.00 0.00 0.00 18:30:01 ens3 56.29 40.17 18.92 16.19 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:13 lo 1128.01 1128.01 1069.04 1069.04 0.00 0.00 0.00 0.00 18:40:13 ens3 85.22 68.70 184.60 141.14 0.00 0.00 0.00 0.00 18:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1195.47 1195.47 1136.68 1136.68 0.00 0.00 0.00 0.00 Average: ens3 73.36 55.50 265.43 47.55 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8513) 02/07/26 _x86_64_ (8 CPU) 17:58:28 LINUX RESTART (8 CPU) 18:00:01 CPU %user %nice %system %iowait %steal %idle 18:10:05 all 10.88 0.00 0.54 0.06 0.03 88.49 18:10:05 0 9.02 0.00 0.49 0.04 0.03 90.42 18:10:05 1 10.66 0.00 0.45 0.01 0.03 88.86 18:10:05 2 11.04 0.00 0.44 0.04 0.03 88.44 18:10:05 3 12.58 0.00 0.69 0.05 0.03 86.65 18:10:05 4 11.59 0.00 0.54 0.03 0.03 87.81 18:10:05 5 10.33 0.00 0.74 0.20 0.03 88.70 18:10:05 6 11.51 0.00 0.49 0.04 0.03 87.93 18:10:05 7 10.33 0.00 0.49 0.04 0.03 89.10 18:20:11 all 37.71 0.00 1.55 0.07 0.07 60.60 18:20:11 0 34.17 0.00 1.42 0.06 0.07 64.27 18:20:11 1 39.18 0.00 1.85 0.06 0.08 58.84 18:20:11 2 39.77 0.00 1.72 0.09 0.08 58.34 18:20:11 3 35.74 0.00 1.60 0.04 0.07 62.54 18:20:11 4 39.03 0.00 1.42 0.03 0.08 59.44 18:20:11 5 36.54 0.00 1.55 0.11 0.07 61.73 18:20:11 6 40.04 0.00 1.37 0.08 0.07 58.43 18:20:11 7 37.20 0.00 1.44 0.08 0.07 61.21 18:30:01 all 36.72 0.00 1.84 0.07 0.07 61.29 18:30:01 0 32.62 0.00 1.65 0.06 0.07 65.60 18:30:01 1 40.08 0.00 1.89 0.02 0.07 57.94 18:30:01 2 38.24 0.00 1.94 0.06 0.08 59.68 18:30:01 3 37.44 0.00 1.96 0.05 0.07 60.47 18:30:01 4 40.45 0.00 1.88 0.06 0.07 57.54 18:30:01 5 32.55 0.00 1.56 0.06 0.07 65.77 18:30:01 6 37.50 0.00 1.96 0.22 0.08 60.26 18:30:01 7 34.86 0.00 1.93 0.05 0.07 63.09 18:40:13 all 30.34 0.00 1.51 0.15 0.07 67.92 18:40:13 0 27.67 0.00 1.40 0.02 0.07 70.84 18:40:13 1 35.54 0.00 1.78 0.07 0.08 62.52 18:40:13 2 32.18 0.00 1.45 0.13 0.07 66.17 18:40:13 3 32.28 0.00 1.74 0.11 0.07 65.80 18:40:13 4 30.23 0.00 1.46 0.10 0.07 68.14 18:40:13 5 28.23 0.00 1.30 0.05 0.07 70.36 18:40:13 6 27.94 0.00 1.52 0.48 0.07 69.99 18:40:13 7 28.66 0.00 1.46 0.27 0.07 69.54 Average: all 28.86 0.00 1.36 0.09 0.06 69.63 Average: 0 25.82 0.00 1.24 0.05 0.06 72.84 Average: 1 31.32 0.00 1.49 0.04 0.06 67.09 Average: 2 30.26 0.00 1.39 0.08 0.06 68.21 Average: 3 29.47 0.00 1.50 0.06 0.06 68.91 Average: 4 30.25 0.00 1.32 0.06 0.06 68.30 Average: 5 26.88 0.00 1.29 0.10 0.06 71.67 Average: 6 29.19 0.00 1.33 0.20 0.06 69.22 Average: 7 27.72 0.00 1.33 0.11 0.06 70.79