---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1102 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: 5600.00 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 945 24892 4 6253 30678 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:5a:b6:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84273sec preferred_lft 84273sec inet6 fe80::f816:3eff:fe5a:b62a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:d7:4a:f7:2b:b2 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-1102) 03/18/26 _x86_64_ (8 CPU) 08:07:03 LINUX RESTART (8 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:12 28.91 0.76 24.98 3.17 29.20 3944.36 8074.17 08:30:01 34.09 0.01 29.63 4.45 0.11 2445.96 11880.58 08:40:01 28.85 0.01 25.17 3.67 0.11 2709.31 17120.53 Average: 30.58 0.27 26.57 3.75 9.99 3042.66 12335.48 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:12 25522332 29130012 3178844 9.67 163968 3670444 3380488 9.97 708864 6193476 115088 08:30:01 25440608 29323544 2982124 9.07 195404 3882772 2918960 8.61 808176 6124448 5844 08:40:01 24498936 28940756 3361460 10.23 217580 4378716 3632572 10.71 943024 6894608 76708 Average: 25153959 29131437 3174143 9.66 192317 3977311 3310673 9.76 820021 6404177 65880 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:12 lo 1240.39 1240.39 1180.40 1180.40 0.00 0.00 0.00 0.00 08:20:12 ens3 61.96 44.54 407.70 10.33 0.00 0.00 0.00 0.00 08:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 1805.07 1805.07 1719.87 1719.87 0.00 0.00 0.00 0.00 08:30:01 ens3 21.80 17.28 8.51 5.71 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1500.23 1500.23 1428.51 1428.51 0.00 0.00 0.00 0.00 08:40:01 ens3 26.60 21.07 9.68 7.14 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1511.63 1511.63 1439.49 1439.49 0.00 0.00 0.00 0.00 Average: ens3 37.04 27.80 144.47 7.76 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-1102) 03/18/26 _x86_64_ (8 CPU) 08:07:03 LINUX RESTART (8 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:12 all 40.14 0.00 1.65 0.11 0.11 57.99 08:20:12 0 40.11 0.00 1.28 0.06 0.11 58.44 08:20:12 1 39.75 0.00 1.69 0.11 0.11 58.35 08:20:12 2 38.68 0.00 1.75 0.16 0.11 59.30 08:20:12 3 40.67 0.00 1.86 0.18 0.11 57.17 08:20:12 4 42.98 0.00 1.55 0.13 0.11 55.24 08:20:12 5 42.42 0.00 1.80 0.07 0.11 55.60 08:20:12 6 36.11 0.00 1.37 0.10 0.10 62.33 08:20:12 7 40.39 0.00 1.87 0.11 0.11 57.53 08:30:01 all 36.13 0.00 1.69 0.25 0.10 61.84 08:30:01 0 34.38 0.00 1.51 0.24 0.10 63.78 08:30:01 1 35.40 0.00 2.05 0.23 0.10 62.21 08:30:01 2 38.22 0.00 2.12 0.57 0.10 58.98 08:30:01 3 34.76 0.00 1.50 0.17 0.10 63.47 08:30:01 4 38.47 0.00 1.58 0.29 0.10 59.57 08:30:01 5 33.28 0.00 1.38 0.21 0.10 65.03 08:30:01 6 36.66 0.00 1.63 0.10 0.10 61.52 08:30:01 7 37.87 0.00 1.72 0.16 0.10 60.14 08:40:01 all 36.84 0.00 1.73 0.33 0.10 61.00 08:40:01 0 35.05 0.00 1.66 0.42 0.10 62.77 08:40:01 1 37.81 0.00 1.51 0.14 0.10 60.45 08:40:01 2 41.89 0.00 2.03 0.61 0.11 55.36 08:40:01 3 34.87 0.00 1.87 0.12 0.10 63.05 08:40:01 4 37.68 0.00 1.66 0.27 0.10 60.29 08:40:01 5 36.68 0.00 1.90 0.34 0.09 60.98 08:40:01 6 34.77 0.00 1.68 0.39 0.09 63.07 08:40:01 7 35.97 0.00 1.53 0.31 0.10 62.08 Average: all 37.73 0.00 1.69 0.23 0.10 60.25 Average: 0 36.55 0.00 1.48 0.24 0.10 61.63 Average: 1 37.68 0.00 1.75 0.16 0.10 60.31 Average: 2 39.60 0.00 1.96 0.45 0.11 57.88 Average: 3 36.80 0.00 1.75 0.16 0.10 61.19 Average: 4 39.74 0.00 1.59 0.23 0.10 58.34 Average: 5 37.52 0.00 1.70 0.21 0.10 60.47 Average: 6 35.85 0.00 1.56 0.19 0.10 62.31 Average: 7 38.09 0.00 1.71 0.19 0.10 59.90