---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19474 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 28G 128G 18% / 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 871 8932 4 22288 30753 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:02:71:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.72/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84065sec preferred_lft 84065sec inet6 fe80::f816:3eff:fe02:71b2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:f1:cd:22:ed:96 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::ccf1:cdff:fe22:ed96/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19474) 02/23/26 _x86_64_ (8 CPU) 10:36:00 LINUX RESTART (8 CPU) 10:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:07 470.43 1.46 458.68 10.29 653.99 59087.91 85199.01 11:00:01 93.60 0.20 88.91 4.49 1.74 10420.14 28230.62 11:10:10 4.53 0.02 4.38 0.14 1.62 847.40 4502.24 Average: 189.22 0.56 183.71 4.96 219.22 23421.06 39224.05 10:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:07 9390428 27026076 5186028 15.78 532260 16352984 4006988 11.82 4837000 17069760 4492 11:00:01 8150376 28198072 4196764 12.77 564988 18430488 4572116 13.48 5634356 17383264 500 11:10:10 8496768 28576424 3622116 11.02 573252 18611860 3846772 11.34 5836676 16855476 72 Average: 8679191 27933524 4334969 13.19 556833 17798444 4141959 12.21 5436011 17102833 1688 10:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:07 lo 0.52 0.52 0.09 0.09 0.00 0.00 0.00 0.00 10:50:07 ens3 234.88 141.65 2486.60 30.95 0.00 0.00 0.00 0.00 10:50:07 docker0 22.99 40.69 1.35 724.25 0.00 0.00 0.00 0.00 11:00:01 lo 0.16 0.16 0.02 0.02 0.00 0.00 0.00 0.00 11:00:01 ens3 50.82 31.30 552.21 10.31 0.00 0.00 0.00 0.00 11:00:01 docker0 11.04 18.67 0.71 325.71 0.00 0.00 0.00 0.00 11:00:01 veth63cceee 3.38 8.05 0.33 155.36 0.00 0.00 0.00 0.01 11:10:10 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 11:10:10 ens3 18.26 10.81 32.21 2.98 0.00 0.00 0.00 0.00 11:10:10 docker0 10.35 15.21 2.06 30.66 0.00 0.00 0.00 0.00 Average: lo 0.27 0.27 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 101.22 61.19 1021.89 14.72 0.00 0.00 0.00 0.00 Average: docker0 14.79 24.85 1.38 359.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19474) 02/23/26 _x86_64_ (8 CPU) 10:36:00 LINUX RESTART (8 CPU) 10:40:04 CPU %user %nice %system %iowait %steal %idle 10:50:07 all 17.24 0.00 3.83 0.90 0.07 77.95 10:50:07 0 17.57 0.00 3.70 0.39 0.07 78.28 10:50:07 1 20.03 0.00 4.19 0.90 0.07 74.81 10:50:07 2 16.51 0.00 3.53 1.42 0.07 78.47 10:50:07 3 17.75 0.00 3.81 1.38 0.07 77.00 10:50:07 4 15.30 0.00 3.86 1.00 0.07 79.77 10:50:07 5 17.39 0.00 3.75 0.67 0.07 78.12 10:50:07 6 22.37 0.00 4.72 0.91 0.08 71.92 10:50:07 7 10.99 0.00 3.11 0.57 0.09 85.24 11:00:01 all 16.59 0.00 1.04 0.26 0.04 82.07 11:00:01 0 7.28 0.00 1.05 0.33 0.04 91.29 11:00:01 1 68.29 0.00 1.20 0.18 0.07 30.26 11:00:01 2 6.44 0.00 0.97 0.17 0.02 92.41 11:00:01 3 7.77 0.00 1.19 0.34 0.03 90.67 11:00:01 4 7.41 0.00 0.94 0.20 0.02 91.42 11:00:01 5 19.58 0.00 1.05 0.10 0.05 79.22 11:00:01 6 9.85 0.00 0.87 0.11 0.03 89.14 11:00:01 7 6.14 0.00 1.05 0.65 0.02 92.14 11:10:10 all 10.88 0.00 0.30 0.02 0.02 88.78 11:10:10 0 0.68 0.00 0.23 0.08 0.03 98.97 11:10:10 1 18.92 0.00 0.23 0.00 0.02 80.82 11:10:10 2 0.54 0.00 0.12 0.00 0.01 99.32 11:10:10 3 0.58 0.00 0.10 0.00 0.01 99.30 11:10:10 4 0.41 0.00 0.12 0.00 0.00 99.46 11:10:10 5 1.49 0.00 0.24 0.03 0.03 98.20 11:10:10 6 1.64 0.00 0.26 0.01 0.03 98.06 11:10:10 7 62.73 0.00 1.07 0.01 0.05 36.15 Average: all 14.87 0.00 1.72 0.39 0.04 82.98 Average: 0 8.46 0.00 1.65 0.27 0.05 89.57 Average: 1 35.56 0.00 1.86 0.36 0.06 62.16 Average: 2 7.78 0.00 1.53 0.53 0.03 90.12 Average: 3 8.65 0.00 1.69 0.57 0.04 89.05 Average: 4 7.66 0.00 1.63 0.40 0.03 90.28 Average: 5 12.74 0.00 1.67 0.27 0.05 85.27 Average: 6 11.23 0.00 1.94 0.34 0.05 86.45 Average: 7 26.91 0.00 1.74 0.41 0.05 70.89