---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18978 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: 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 901 24799 4 6391 30723 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:af:d5:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83884sec preferred_lft 83884sec inet6 fe80::f816:3eff:feaf:d533/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:52:04:cb:74:bd 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-18978) 02/19/26 _x86_64_ (8 CPU) 14:09:27 LINUX RESTART (8 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 64.20 10.06 51.03 3.12 1738.90 6689.61 6170.46 14:30:12 30.55 0.14 26.41 4.00 5.54 2469.73 14325.64 14:40:11 36.74 0.01 32.43 4.31 0.07 3321.49 16874.54 14:50:00 41.71 0.14 22.39 19.18 6.67 6093.10 524307.16 Average: 43.27 2.59 33.09 7.58 438.70 4628.78 138092.25 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 25973304 29356616 2953688 8.99 150444 3486676 3162560 9.33 762512 5700760 9512 14:30:12 25344492 29222296 3083232 9.38 189352 3893584 3630896 10.71 896656 6150296 38864 14:40:11 24176808 28833628 3466508 10.55 223972 4578116 3462000 10.21 1066844 7076400 179060 14:50:00 25590576 31641128 652660 1.99 239868 5906712 1220348 3.60 1619852 5022836 48 Average: 25271295 29763417 2539022 7.73 200909 4466272 2868951 8.46 1086466 5987573 56871 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 859.37 859.37 818.12 818.12 0.00 0.00 0.00 0.00 14:20:01 ens3 185.59 137.45 1326.96 29.21 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:12 lo 1586.62 1586.62 1509.80 1509.80 0.00 0.00 0.00 0.00 14:30:12 ens3 53.54 35.12 20.84 14.30 0.00 0.00 0.00 0.00 14:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:11 lo 1709.63 1709.63 1627.17 1627.17 0.00 0.00 0.00 0.00 14:40:11 ens3 51.68 36.37 19.66 15.29 0.00 0.00 0.00 0.00 14:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:00 lo 727.29 727.29 676.97 676.97 0.00 0.00 0.00 0.00 14:50:00 ens3 113.72 121.79 201.37 921.72 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1224.20 1224.20 1161.39 1161.39 0.00 0.00 0.00 0.00 Average: ens3 100.93 82.34 392.07 241.01 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-18978) 02/19/26 _x86_64_ (8 CPU) 14:09:27 LINUX RESTART (8 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 26.50 0.00 1.41 0.30 0.06 71.74 14:20:01 0 26.44 0.00 1.32 0.05 0.05 72.13 14:20:01 1 30.27 0.00 1.58 0.49 0.07 67.59 14:20:01 2 27.39 0.00 1.45 0.09 0.06 71.01 14:20:01 3 25.39 0.00 1.59 0.47 0.06 72.49 14:20:01 4 26.59 0.00 1.46 0.11 0.06 71.78 14:20:01 5 25.08 0.00 1.56 0.09 0.06 73.21 14:20:01 6 26.39 0.00 1.30 0.91 0.06 71.33 14:20:01 7 24.42 0.00 1.00 0.16 0.06 74.36 14:30:12 all 34.39 0.00 1.60 0.07 0.07 63.86 14:30:12 0 33.17 0.00 1.30 0.04 0.07 65.43 14:30:12 1 36.56 0.00 2.19 0.03 0.08 61.13 14:30:12 2 34.62 0.00 1.65 0.19 0.08 63.46 14:30:12 3 36.13 0.00 1.67 0.04 0.07 62.09 14:30:12 4 35.86 0.00 1.59 0.05 0.08 62.42 14:30:12 5 34.99 0.00 1.34 0.07 0.07 63.52 14:30:12 6 35.36 0.00 1.46 0.06 0.08 63.04 14:30:12 7 28.46 0.00 1.61 0.09 0.07 69.77 14:40:11 all 37.34 0.00 1.78 0.07 0.08 60.73 14:40:11 0 37.39 0.00 1.66 0.05 0.08 60.81 14:40:11 1 39.15 0.00 1.81 0.03 0.08 58.94 14:40:11 2 40.49 0.00 1.80 0.04 0.08 57.59 14:40:11 3 38.60 0.00 2.01 0.18 0.08 59.14 14:40:11 4 34.33 0.00 2.00 0.06 0.08 63.54 14:40:11 5 37.30 0.00 1.99 0.09 0.09 60.53 14:40:11 6 35.40 0.00 1.34 0.08 0.08 63.10 14:40:11 7 36.06 0.00 1.61 0.05 0.08 62.21 14:50:00 all 22.08 0.00 1.05 0.12 0.06 76.68 14:50:00 0 20.54 0.00 1.12 0.05 0.06 78.24 14:50:00 1 23.34 0.00 1.10 0.12 0.06 75.39 14:50:00 2 24.59 0.00 1.16 0.04 0.07 74.14 14:50:00 3 24.39 0.00 0.94 0.01 0.06 74.60 14:50:00 4 21.83 0.00 0.92 0.13 0.07 77.06 14:50:00 5 22.53 0.00 1.18 0.13 0.07 76.10 14:50:00 6 19.55 0.00 1.08 0.43 0.06 78.89 14:50:00 7 19.91 0.00 0.95 0.07 0.06 79.01 Average: all 30.13 0.00 1.46 0.14 0.07 68.20 Average: 0 29.43 0.00 1.35 0.05 0.06 69.10 Average: 1 32.38 0.00 1.67 0.17 0.07 65.70 Average: 2 31.81 0.00 1.52 0.09 0.07 66.51 Average: 3 31.17 0.00 1.56 0.18 0.07 67.03 Average: 4 29.71 0.00 1.50 0.09 0.07 68.64 Average: 5 30.03 0.00 1.52 0.09 0.07 68.29 Average: 6 29.24 0.00 1.30 0.37 0.07 69.02 Average: 7 27.24 0.00 1.29 0.09 0.07 71.31