---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-179886 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: 5599.99 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 9.8G 146G 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 923 26877 4 4290 30700 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:85:3e:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83936sec preferred_lft 83936sec inet6 fe80::f816:3eff:fe85:3e69/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:ec:ce:b1:c0:51 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-179886) 03/07/26 _x86_64_ (8 CPU) 08:20:53 LINUX RESTART (8 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:09 14.99 0.01 1.33 13.65 0.20 16.23 506853.66 08:50:09 1.07 0.00 1.07 0.00 0.00 12.61 0.00 09:00:01 65.90 4.72 58.89 2.29 270.35 9005.17 4736.46 Average: 27.10 1.56 20.18 5.36 88.99 2971.76 172768.08 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:09 30002160 31867420 514440 1.57 63460 2138276 1522876 4.49 355304 2213664 32 08:50:09 29999964 31865568 516192 1.57 63788 2138276 1522876 4.49 355628 2214368 172 09:00:01 24453688 28750116 3557908 10.83 138388 4402784 3802692 11.21 909660 7047240 368 Average: 28151937 30827701 1529513 4.65 88545 2893112 2282815 6.73 540197 3825091 191 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:09 ens3 0.18 0.09 0.04 0.02 0.00 0.00 0.00 0.00 08:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:09 ens3 0.16 0.08 0.04 0.02 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 664.03 664.03 639.24 639.24 0.00 0.00 0.00 0.00 09:00:01 ens3 126.14 91.32 1221.87 18.61 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 218.49 218.49 210.27 210.27 0.00 0.00 0.00 0.00 Average: ens3 41.61 30.09 401.94 6.13 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-179886) 03/07/26 _x86_64_ (8 CPU) 08:20:53 LINUX RESTART (8 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:09 all 0.08 0.00 0.02 0.02 0.01 99.87 08:40:09 0 0.35 0.00 0.02 0.03 0.01 99.59 08:40:09 1 0.02 0.00 0.02 0.00 0.02 99.93 08:40:09 2 0.00 0.00 0.01 0.00 0.00 99.98 08:40:09 3 0.15 0.00 0.00 0.00 0.01 99.83 08:40:09 4 0.04 0.00 0.04 0.13 0.01 99.79 08:40:09 5 0.03 0.00 0.02 0.00 0.02 99.92 08:40:09 6 0.00 0.00 0.01 0.00 0.00 99.98 08:40:09 7 0.01 0.00 0.01 0.00 0.00 99.98 08:50:09 all 0.03 0.00 0.01 0.00 0.01 99.94 08:50:09 0 0.17 0.00 0.02 0.02 0.01 99.78 08:50:09 1 0.02 0.00 0.02 0.00 0.01 99.94 08:50:09 2 0.01 0.00 0.02 0.00 0.01 99.97 08:50:09 3 0.01 0.00 0.02 0.00 0.01 99.97 08:50:09 4 0.02 0.00 0.01 0.00 0.01 99.97 08:50:09 5 0.02 0.00 0.03 0.00 0.02 99.93 08:50:09 6 0.01 0.00 0.01 0.00 0.01 99.98 08:50:09 7 0.00 0.00 0.00 0.00 0.00 99.99 09:00:01 all 21.74 0.00 1.04 0.21 0.05 76.96 09:00:01 0 21.02 0.00 1.16 0.88 0.06 76.88 09:00:01 1 20.26 0.00 1.23 0.11 0.06 78.34 09:00:01 2 23.97 0.00 1.09 0.08 0.06 74.79 09:00:01 3 19.68 0.00 1.14 0.28 0.05 78.85 09:00:01 4 21.85 0.00 1.00 0.02 0.05 77.08 09:00:01 5 23.45 0.00 0.78 0.09 0.06 75.63 09:00:01 6 19.56 0.00 0.81 0.07 0.05 79.51 09:00:01 7 24.13 0.00 1.09 0.16 0.05 74.56 Average: all 7.18 0.00 0.35 0.08 0.02 92.36 Average: 0 7.09 0.00 0.39 0.30 0.03 92.18 Average: 1 6.67 0.00 0.42 0.04 0.03 92.85 Average: 2 7.88 0.00 0.37 0.03 0.02 91.70 Average: 3 6.52 0.00 0.38 0.09 0.02 92.98 Average: 4 7.21 0.00 0.34 0.05 0.02 92.38 Average: 5 7.73 0.00 0.27 0.03 0.03 91.93 Average: 6 6.43 0.00 0.27 0.02 0.02 93.26 Average: 7 7.93 0.00 0.36 0.05 0.02 91.63