---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8478 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 11G 145G 7% / 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 697 26672 4 4722 30927 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:29:50:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84320sec preferred_lft 84320sec inet6 fe80::f816:3eff:fe29:50c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:59:35:10:da:a5 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-8478) 02/07/26 _x86_64_ (8 CPU) 12:59:29 LINUX RESTART (8 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 60.55 4.68 40.02 15.86 654.71 4319.24 520996.17 13:20:14 28.23 0.16 24.54 3.53 6.53 3023.23 8279.11 13:30:00 35.98 0.01 31.44 4.53 0.05 2918.15 17173.14 Average: 41.54 1.62 31.95 7.97 220.70 3421.44 182253.81 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 27622296 30593676 1728384 5.26 130692 3127184 2119460 6.25 659652 4194720 59792 13:20:14 25722608 29338828 2968692 9.03 169100 3677292 3123000 9.21 841912 5860912 13424 13:30:00 25080396 29245012 3058020 9.31 206508 4137596 3152416 9.30 984664 6295032 44400 Average: 26141767 29725839 2585032 7.87 168767 3647357 2798292 8.25 828743 5450221 39205 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 312.77 312.77 297.71 297.71 0.00 0.00 0.00 0.00 13:10:01 ens3 105.44 78.79 1143.58 15.56 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:14 lo 1312.75 1312.75 1248.82 1248.82 0.00 0.00 0.00 0.00 13:20:14 ens3 58.16 42.31 25.10 16.34 0.00 0.00 0.00 0.00 13:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 lo 1890.99 1890.99 1800.75 1800.75 0.00 0.00 0.00 0.00 13:30:00 ens3 54.93 35.98 17.49 14.47 0.00 0.00 0.00 0.00 13:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1167.43 1167.43 1111.24 1111.24 0.00 0.00 0.00 0.00 Average: ens3 72.89 52.42 395.82 15.47 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-8478) 02/07/26 _x86_64_ (8 CPU) 12:59:29 LINUX RESTART (8 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 8.80 0.00 0.60 0.19 0.03 90.39 13:10:01 0 7.25 0.00 0.48 0.15 0.03 92.10 13:10:01 1 8.04 0.00 0.73 0.08 0.03 91.13 13:10:01 2 12.51 0.00 0.90 0.86 0.03 85.70 13:10:01 3 9.91 0.00 0.61 0.21 0.03 89.25 13:10:01 4 8.97 0.00 0.67 0.05 0.03 90.29 13:10:01 5 8.88 0.00 0.64 0.09 0.03 90.35 13:10:01 6 6.53 0.00 0.44 0.06 0.02 92.95 13:10:01 7 8.32 0.00 0.32 0.02 0.03 91.32 13:20:14 all 39.28 0.00 1.73 0.05 0.08 58.87 13:20:14 0 33.37 0.00 1.71 0.18 0.07 64.66 13:20:14 1 44.52 0.00 2.00 0.04 0.09 53.35 13:20:14 2 42.31 0.00 1.64 0.03 0.08 55.96 13:20:14 3 39.82 0.00 1.82 0.02 0.08 58.26 13:20:14 4 41.34 0.00 1.79 0.01 0.08 56.79 13:20:14 5 35.90 0.00 1.85 0.03 0.07 62.14 13:20:14 6 38.31 0.00 1.54 0.02 0.08 60.06 13:20:14 7 38.70 0.00 1.48 0.05 0.08 59.70 13:30:00 all 35.61 0.00 1.80 0.07 0.07 62.45 13:30:00 0 35.21 0.00 2.12 0.14 0.07 62.45 13:30:00 1 37.21 0.00 1.83 0.07 0.08 60.81 13:30:00 2 40.37 0.00 1.41 0.02 0.08 58.13 13:30:00 3 33.53 0.00 1.75 0.04 0.07 64.61 13:30:00 4 36.53 0.00 1.52 0.03 0.07 61.85 13:30:00 5 33.10 0.00 2.08 0.06 0.08 64.69 13:30:00 6 35.22 0.00 1.78 0.06 0.07 62.87 13:30:00 7 33.72 0.00 1.92 0.10 0.07 64.19 Average: all 27.90 0.00 1.37 0.10 0.06 70.57 Average: 0 25.24 0.00 1.43 0.16 0.06 73.11 Average: 1 29.94 0.00 1.52 0.06 0.07 68.41 Average: 2 31.72 0.00 1.32 0.30 0.06 66.60 Average: 3 27.77 0.00 1.39 0.09 0.06 70.68 Average: 4 28.96 0.00 1.33 0.03 0.06 69.63 Average: 5 25.95 0.00 1.52 0.06 0.06 72.40 Average: 6 26.68 0.00 1.25 0.05 0.06 71.96 Average: 7 26.92 0.00 1.23 0.06 0.06 71.73