---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-20406 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 922 24708 4 6460 30701 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:ea:be:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83471sec preferred_lft 83471sec inet6 fe80::f816:3eff:feea:be50/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:43:ae:85:e3:ab 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 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-20406) 02/24/26 _x86_64_ (8 CPU) 09:26:41 LINUX RESTART (8 CPU) 09:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:21 8.62 1.94 6.27 0.41 690.44 1122.87 4881.12 09:50:17 28.25 1.25 24.17 2.83 64.13 4141.90 4710.01 10:00:21 39.17 0.00 34.02 5.14 0.04 2657.46 9327.03 10:10:21 30.32 0.04 26.61 3.67 0.45 3186.88 12028.73 Average: 26.61 0.80 22.79 3.02 188.66 2774.80 7744.37 09:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:21 27943912 30826360 1502184 4.57 122176 3050404 2414120 7.12 593796 3939292 215516 09:50:17 25765256 29521776 2786192 8.48 171648 3809320 2757872 8.13 907904 5725928 19136 10:00:21 25312840 29473580 2831028 8.61 204160 4143316 2778508 8.19 1021152 6007496 19340 10:10:21 23837064 29280432 3018484 9.19 233292 5327120 2919784 8.61 1374096 7049228 643144 Average: 25714768 29775537 2534472 7.71 182819 4082540 2717571 8.01 974237 5680486 224284 09:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:21 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 09:40:21 ens3 63.70 51.27 741.15 7.30 0.00 0.00 0.00 0.00 09:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:17 lo 1127.80 1127.80 1072.51 1072.51 0.00 0.00 0.00 0.00 09:50:17 ens3 89.22 63.96 335.33 19.75 0.00 0.00 0.00 0.00 09:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:21 lo 2209.80 2209.80 2105.07 2105.07 0.00 0.00 0.00 0.00 10:00:21 ens3 50.13 35.68 18.41 13.75 0.00 0.00 0.00 0.00 10:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:21 lo 1315.44 1315.44 1251.32 1251.32 0.00 0.00 0.00 0.00 10:10:21 ens3 73.46 52.72 174.32 18.20 0.00 0.00 0.00 0.00 10:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1165.10 1165.10 1108.94 1108.94 0.00 0.00 0.00 0.00 Average: ens3 69.06 50.86 316.78 14.74 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 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-20406) 02/24/26 _x86_64_ (8 CPU) 09:26:41 LINUX RESTART (8 CPU) 09:30:21 CPU %user %nice %system %iowait %steal %idle 09:40:21 all 2.44 0.00 0.20 0.07 0.02 97.28 09:40:21 0 3.17 0.00 0.15 0.07 0.02 96.60 09:40:21 1 2.50 0.00 0.34 0.05 0.03 97.07 09:40:21 2 2.75 0.00 0.20 0.10 0.01 96.93 09:40:21 3 2.42 0.00 0.13 0.01 0.01 97.43 09:40:21 4 1.34 0.00 0.16 0.03 0.01 98.46 09:40:21 5 2.59 0.00 0.15 0.06 0.01 97.19 09:40:21 6 2.65 0.00 0.22 0.24 0.02 96.88 09:40:21 7 2.09 0.00 0.22 0.03 0.02 97.65 09:50:17 all 39.47 0.00 1.63 0.43 0.09 58.38 09:50:17 0 39.24 0.00 1.65 0.87 0.09 58.14 09:50:17 1 42.29 0.00 1.72 0.28 0.09 55.62 09:50:17 2 36.49 0.00 1.65 1.22 0.08 60.56 09:50:17 3 39.94 0.00 1.58 0.15 0.09 58.25 09:50:17 4 40.36 0.00 1.68 0.18 0.09 57.69 09:50:17 5 37.09 0.00 1.59 0.34 0.08 60.90 09:50:17 6 39.21 0.00 1.55 0.13 0.09 59.02 09:50:17 7 41.14 0.00 1.63 0.30 0.09 56.84 10:00:21 all 34.62 0.00 1.81 0.45 0.08 63.04 10:00:21 0 31.99 0.00 1.93 0.10 0.08 65.90 10:00:21 1 36.19 0.00 1.96 0.08 0.08 61.69 10:00:21 2 39.23 0.00 1.63 0.04 0.07 59.02 10:00:21 3 34.66 0.00 1.86 0.25 0.07 63.15 10:00:21 4 32.51 0.00 1.97 0.82 0.08 64.62 10:00:21 5 34.46 0.00 1.55 0.03 0.08 63.88 10:00:21 6 34.72 0.00 1.59 0.09 0.08 63.52 10:00:21 7 33.16 0.00 2.00 2.21 0.07 62.55 10:10:21 all 34.51 0.00 1.65 0.08 0.08 63.69 10:10:21 0 27.99 0.00 1.36 0.09 0.07 70.49 10:10:21 1 35.37 0.00 1.73 0.07 0.08 62.76 10:10:21 2 35.62 0.00 1.89 0.04 0.08 62.37 10:10:21 3 31.99 0.00 1.85 0.08 0.07 66.02 10:10:21 4 36.81 0.00 1.64 0.03 0.07 61.45 10:10:21 5 38.06 0.00 1.86 0.13 0.08 59.87 10:10:21 6 36.14 0.00 1.60 0.12 0.08 62.07 10:10:21 7 34.11 0.00 1.27 0.06 0.08 64.48 Average: all 27.73 0.00 1.32 0.26 0.06 70.62 Average: 0 25.58 0.00 1.27 0.28 0.07 72.80 Average: 1 29.07 0.00 1.44 0.12 0.07 69.30 Average: 2 28.50 0.00 1.34 0.35 0.06 69.75 Average: 3 27.22 0.00 1.35 0.12 0.06 71.24 Average: 4 27.72 0.00 1.36 0.27 0.06 70.59 Average: 5 28.02 0.00 1.29 0.14 0.06 70.49 Average: 6 28.15 0.00 1.24 0.14 0.06 70.41 Average: 7 27.59 0.00 1.28 0.65 0.06 70.41