---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-23866 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 903 24825 4 6362 30721 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:42:91:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83051sec preferred_lft 83051sec inet6 fe80::f816:3eff:fe42:91b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:91:8a:7b:9d:64 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-23866) 02/27/26 _x86_64_ (8 CPU) 17:58:29 LINUX RESTART (8 CPU) 18:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:00 11.10 1.25 9.35 0.50 434.41 1579.27 433.74 18:20:00 25.05 2.48 20.44 2.13 139.35 3533.69 7607.97 18:30:00 26.87 0.13 23.14 3.59 5.60 2148.46 14698.09 18:40:00 49.13 0.01 29.68 19.44 0.24 3038.61 523022.47 18:50:00 30.28 0.14 26.40 3.74 6.43 6736.74 38816.65 Average: 28.48 0.80 21.80 5.88 117.20 3407.38 116913.96 18:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:00 29438760 31829032 519096 1.58 103252 2593388 1089724 3.21 463216 2597372 60 18:20:00 26124180 29472660 2839308 8.64 148860 3455776 3003524 8.86 780184 5537460 8912 18:30:00 25521580 29350632 2957208 9.00 177308 3865760 3057196 9.02 886524 6004540 97484 18:40:00 24885936 29290044 3013220 9.17 216024 4349420 3495824 10.31 1037116 6418872 110200 18:50:00 25608544 31629324 666832 2.03 236820 5883712 1221204 3.60 1640864 4979148 8 Average: 26315800 30314338 1999133 6.08 176453 4029611 2373494 7.00 961581 5107478 43333 18:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:00 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 18:10:00 ens3 19.30 15.04 263.62 2.90 0.00 0.00 0.00 0.00 18:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:00 lo 839.61 839.61 799.43 799.43 0.00 0.00 0.00 0.00 18:20:00 ens3 110.90 84.60 815.52 18.51 0.00 0.00 0.00 0.00 18:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:00 lo 1444.97 1444.97 1374.87 1374.87 0.00 0.00 0.00 0.00 18:30:00 ens3 41.67 33.50 18.84 13.41 0.00 0.00 0.00 0.00 18:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:00 lo 1712.78 1712.78 1630.47 1630.47 0.00 0.00 0.00 0.00 18:40:00 ens3 54.85 38.54 18.68 15.76 0.00 0.00 0.00 0.00 18:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:00 lo 917.48 917.48 865.86 865.86 0.00 0.00 0.00 0.00 18:50:00 ens3 85.96 75.57 189.93 185.35 0.00 0.00 0.00 0.00 18:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 983.01 983.01 934.13 934.13 0.00 0.00 0.00 0.00 Average: ens3 62.54 49.45 261.32 47.19 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-23866) 02/27/26 _x86_64_ (8 CPU) 17:58:29 LINUX RESTART (8 CPU) 18:00:00 CPU %user %nice %system %iowait %steal %idle 18:10:00 all 0.47 0.00 0.10 0.06 0.01 99.36 18:10:00 0 0.15 0.00 0.06 0.04 0.02 99.73 18:10:00 1 0.22 0.00 0.12 0.03 0.01 99.62 18:10:00 2 1.89 0.00 0.21 0.17 0.01 97.72 18:10:00 3 0.53 0.00 0.09 0.02 0.01 99.35 18:10:00 4 0.34 0.00 0.10 0.08 0.01 99.47 18:10:00 5 0.14 0.00 0.12 0.03 0.02 99.69 18:10:00 6 0.20 0.00 0.05 0.01 0.01 99.74 18:10:00 7 0.26 0.00 0.08 0.08 0.01 99.58 18:20:00 all 27.33 0.00 1.31 0.05 0.06 71.24 18:20:00 0 29.15 0.00 1.32 0.06 0.06 69.41 18:20:00 1 28.93 0.00 1.39 0.03 0.07 69.60 18:20:00 2 27.44 0.00 1.52 0.15 0.06 70.83 18:20:00 3 25.97 0.00 1.37 0.03 0.06 72.57 18:20:00 4 27.43 0.00 1.39 0.05 0.06 71.07 18:20:00 5 27.28 0.00 1.29 0.06 0.06 71.31 18:20:00 6 24.76 0.00 1.03 0.04 0.05 74.12 18:20:00 7 27.71 0.00 1.17 0.02 0.06 71.05 18:30:00 all 36.43 0.00 1.70 0.10 0.08 61.70 18:30:00 0 30.74 0.00 1.72 0.04 0.08 67.43 18:30:00 1 39.19 0.00 1.87 0.10 0.08 58.77 18:30:00 2 38.07 0.00 1.94 0.05 0.08 59.86 18:30:00 3 36.15 0.00 1.62 0.18 0.07 61.98 18:30:00 4 35.57 0.00 1.85 0.14 0.07 62.37 18:30:00 5 39.37 0.00 1.61 0.20 0.08 58.74 18:30:00 6 37.93 0.00 1.33 0.04 0.08 60.62 18:30:00 7 34.41 0.00 1.67 0.04 0.08 63.82 18:40:00 all 41.32 0.00 2.06 0.14 0.09 56.39 18:40:00 0 35.66 0.00 1.90 0.08 0.08 62.28 18:40:00 1 46.50 0.00 2.15 0.06 0.09 51.19 18:40:00 2 41.58 0.00 2.24 0.44 0.08 55.66 18:40:00 3 43.21 0.00 2.21 0.09 0.09 54.40 18:40:00 4 39.63 0.00 2.01 0.17 0.09 58.11 18:40:00 5 41.09 0.00 2.05 0.08 0.09 56.68 18:40:00 6 38.39 0.00 1.91 0.09 0.08 59.53 18:40:00 7 44.54 0.00 2.03 0.07 0.09 53.27 18:50:00 all 28.38 0.00 1.49 0.19 0.07 69.87 18:50:00 0 24.88 0.00 1.56 0.56 0.07 72.93 18:50:00 1 26.54 0.00 1.45 0.24 0.06 71.70 18:50:00 2 31.27 0.00 1.64 0.03 0.07 66.99 18:50:00 3 28.21 0.00 1.50 0.04 0.07 70.18 18:50:00 4 29.66 0.00 1.36 0.15 0.07 68.76 18:50:00 5 26.36 0.00 1.30 0.22 0.07 72.05 18:50:00 6 29.17 0.00 1.56 0.04 0.07 69.16 18:50:00 7 30.96 0.00 1.55 0.26 0.06 67.17 Average: all 26.77 0.00 1.33 0.11 0.06 71.73 Average: 0 24.12 0.00 1.31 0.16 0.06 74.35 Average: 1 28.25 0.00 1.39 0.09 0.06 70.20 Average: 2 28.03 0.00 1.51 0.17 0.06 70.23 Average: 3 26.80 0.00 1.36 0.07 0.06 71.72 Average: 4 26.50 0.00 1.34 0.12 0.06 71.98 Average: 5 26.83 0.00 1.27 0.12 0.07 71.71 Average: 6 26.07 0.00 1.17 0.04 0.06 72.65 Average: 7 27.55 0.00 1.30 0.09 0.06 71.00