---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3981 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 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 908 24931 4 6252 30715 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:b1:de:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83987sec preferred_lft 83987sec inet6 fe80::f816:3eff:feb1:de0b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:30:b6:bc:28:e6 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-3981) 04/17/26 _x86_64_ (8 CPU) 13:00:01 LINUX RESTART (8 CPU) 13:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:02 28.04 0.16 24.15 3.73 6.01 2276.25 7091.21 13:30:02 48.61 0.02 29.57 19.02 0.29 3294.34 515838.79 13:40:02 26.79 0.32 22.78 3.69 14.39 6343.40 13627.73 Average: 34.48 0.17 25.50 8.81 6.90 3971.34 178855.41 13:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:02 25426632 29047900 3260472 9.92 174564 3663316 3227228 9.52 744796 6222696 24328 13:30:02 24058408 28505452 3797700 11.56 215260 4384676 3796948 11.20 938124 7342604 175832 13:40:02 25532968 31447744 849384 2.58 232976 5782184 1430228 4.22 1525324 5198248 13396 Average: 25006003 29667032 2635852 8.02 207600 4610059 2818135 8.31 1069415 6254516 71185 13:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:02 lo 1504.53 1504.53 1432.38 1432.38 0.00 0.00 0.00 0.00 13:20:02 ens3 44.03 32.44 19.91 13.30 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 1641.28 1641.28 1562.93 1562.93 0.00 0.00 0.00 0.00 13:30:02 ens3 51.15 36.74 19.14 15.03 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 630.21 630.21 584.18 584.18 0.00 0.00 0.00 0.00 13:40:02 ens3 137.53 135.70 222.64 970.49 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1258.68 1258.68 1193.17 1193.17 0.00 0.00 0.00 0.00 Average: ens3 77.57 68.29 87.23 332.94 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-3981) 04/17/26 _x86_64_ (8 CPU) 13:00:01 LINUX RESTART (8 CPU) 13:10:02 CPU %user %nice %system %iowait %steal %idle 13:20:02 all 32.91 0.00 1.58 0.06 0.07 65.39 13:20:02 0 32.08 0.00 1.59 0.16 0.08 66.09 13:20:02 1 36.98 0.00 2.16 0.03 0.08 60.75 13:20:02 2 33.46 0.00 1.44 0.02 0.08 65.00 13:20:02 3 31.44 0.00 1.55 0.03 0.07 66.91 13:20:02 4 31.33 0.00 1.50 0.05 0.08 67.05 13:20:02 5 33.80 0.00 1.59 0.07 0.07 64.47 13:20:02 6 33.42 0.00 1.53 0.04 0.07 64.93 13:20:02 7 30.74 0.00 1.25 0.05 0.07 67.90 13:30:02 all 37.57 0.00 1.82 0.13 0.08 60.40 13:30:02 0 35.25 0.00 1.69 0.44 0.08 62.54 13:30:02 1 40.22 0.00 1.96 0.06 0.08 57.68 13:30:02 2 39.87 0.00 1.66 0.09 0.09 58.30 13:30:02 3 38.00 0.00 1.65 0.10 0.08 60.17 13:30:02 4 33.70 0.00 1.92 0.15 0.08 64.16 13:30:02 5 38.12 0.00 2.07 0.14 0.08 59.59 13:30:02 6 39.74 0.00 1.72 0.05 0.08 58.42 13:30:02 7 35.63 0.00 1.87 0.05 0.08 62.39 13:40:02 all 21.91 0.00 1.10 0.10 0.06 76.82 13:40:02 0 19.88 0.00 0.89 0.08 0.05 79.09 13:40:02 1 25.25 0.00 1.21 0.11 0.06 73.38 13:40:02 2 29.66 0.00 1.19 0.14 0.07 68.94 13:40:02 3 21.87 0.00 1.04 0.01 0.06 77.02 13:40:02 4 17.79 0.00 1.23 0.04 0.06 80.88 13:40:02 5 21.16 0.00 1.04 0.12 0.07 77.61 13:40:02 6 15.63 0.00 1.10 0.21 0.06 83.01 13:40:02 7 24.08 0.00 1.12 0.09 0.07 74.64 Average: all 30.79 0.00 1.50 0.10 0.07 67.54 Average: 0 29.07 0.00 1.39 0.23 0.07 69.25 Average: 1 34.15 0.00 1.78 0.07 0.07 63.94 Average: 2 34.33 0.00 1.43 0.08 0.08 64.08 Average: 3 30.43 0.00 1.41 0.04 0.07 68.04 Average: 4 27.60 0.00 1.55 0.08 0.07 70.70 Average: 5 31.02 0.00 1.57 0.11 0.07 67.23 Average: 6 29.59 0.00 1.45 0.10 0.07 68.80 Average: 7 30.15 0.00 1.41 0.06 0.07 68.31