---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2186 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 24G 132G 16% / 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 828 13600 4 17662 30796 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:4d:e0:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.173/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84088sec preferred_lft 84088sec inet6 fe80::f816:3eff:fe4d:e046/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:74:b4:e2:c9:70 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::2874:b4ff:fee2:c970/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2186) 03/15/26 _x86_64_ (8 CPU) 12:16:17 LINUX RESTART (8 CPU) 12:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 1.54 0.04 1.48 0.01 2.25 19.14 220.34 12:40:04 33.58 2.77 29.99 0.82 213.92 1158.69 456.28 12:50:03 294.61 0.97 286.03 7.61 57.19 57369.90 280841.15 Average: 109.64 1.26 105.57 2.80 91.23 19458.29 93553.06 12:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 30167408 31793824 594372 1.81 60156 1905168 1513644 4.46 180652 2240908 16 12:40:04 29281840 31479192 872260 2.65 100552 2404780 1563388 4.61 295652 2959744 279788 12:50:03 16996092 30960300 1291468 3.93 375100 13300952 1804472 5.32 7683972 7121816 5920 Average: 25481780 31411105 919367 2.80 178603 5870300 1627168 4.80 2720092 4107489 95241 12:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 ens3 0.43 0.27 0.18 0.30 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:04 lo 0.36 0.36 0.06 0.06 0.00 0.00 0.00 0.00 12:40:04 ens3 32.03 23.81 213.00 7.65 0.00 0.00 0.00 0.00 12:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:03 lo 0.31 0.31 0.06 0.06 0.00 0.00 0.00 0.00 12:50:03 ens3 168.98 109.07 2312.10 2307.26 0.00 0.00 0.00 0.00 12:50:03 docker0 2.96 3.84 0.16 87.86 0.00 0.00 0.00 0.00 Average: lo 0.26 0.26 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 67.00 44.29 839.57 769.39 0.00 0.00 0.00 0.00 Average: docker0 0.98 1.28 0.05 29.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2186) 03/15/26 _x86_64_ (8 CPU) 12:16:17 LINUX RESTART (8 CPU) 12:20:00 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.08 0.00 0.01 0.01 0.01 99.89 12:30:01 0 0.01 0.00 0.01 0.01 0.01 99.96 12:30:01 1 0.13 0.00 0.01 0.00 0.01 99.85 12:30:01 2 0.00 0.00 0.01 0.00 0.00 99.98 12:30:01 3 0.30 0.00 0.02 0.04 0.02 99.63 12:30:01 4 0.01 0.00 0.02 0.00 0.02 99.93 12:30:01 5 0.05 0.00 0.02 0.00 0.01 99.92 12:30:01 6 0.09 0.00 0.01 0.00 0.01 99.89 12:30:01 7 0.02 0.00 0.01 0.00 0.01 99.95 12:40:04 all 1.39 0.00 0.15 0.15 0.02 98.29 12:40:04 0 1.07 0.00 0.13 0.35 0.01 98.45 12:40:04 1 0.83 0.00 0.09 0.02 0.02 99.04 12:40:04 2 0.38 0.00 0.08 0.03 0.01 99.50 12:40:04 3 2.85 0.00 0.25 0.10 0.02 96.78 12:40:04 4 1.21 0.00 0.25 0.56 0.00 97.97 12:40:04 5 3.09 0.00 0.29 0.10 0.03 96.50 12:40:04 6 0.90 0.00 0.07 0.02 0.01 99.00 12:40:04 7 0.79 0.00 0.08 0.02 0.02 99.09 12:50:03 all 10.98 0.00 5.59 1.13 0.07 82.24 12:50:03 0 9.81 0.00 5.20 2.35 0.07 82.57 12:50:03 1 12.35 0.00 6.44 1.41 0.07 79.73 12:50:03 2 11.25 0.00 5.73 1.06 0.07 81.89 12:50:03 3 11.52 0.00 5.83 1.05 0.07 81.53 12:50:03 4 12.27 0.00 5.51 0.82 0.07 81.34 12:50:03 5 10.70 0.00 5.43 0.80 0.07 83.00 12:50:03 6 9.87 0.00 5.25 0.72 0.06 84.11 12:50:03 7 10.04 0.00 5.31 0.84 0.06 83.75 Average: all 4.11 0.00 1.90 0.43 0.03 93.53 Average: 0 3.61 0.00 1.77 0.90 0.03 93.70 Average: 1 4.39 0.00 2.16 0.47 0.03 92.95 Average: 2 3.84 0.00 1.92 0.36 0.03 93.86 Average: 3 4.85 0.00 2.01 0.39 0.04 92.71 Average: 4 4.46 0.00 1.91 0.46 0.03 93.15 Average: 5 4.58 0.00 1.89 0.30 0.03 93.20 Average: 6 3.59 0.00 1.76 0.24 0.03 94.39 Average: 7 3.58 0.00 1.78 0.29 0.03 94.32