---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2594 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 26G 130G 17% / 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 826 16205 4 15060 30797 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:16:39:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.165/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84164sec preferred_lft 84164sec inet6 fe80::f816:3eff:fe16:3963/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:0c:37:e3:51:eb 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 inet6 fe80::140c:37ff:fee3:51eb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2594) 10/17/26 _x86_64_ (8 CPU) 20:14:21 LINUX RESTART (8 CPU) 20:20:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:20 313.73 0.71 277.80 35.21 30.67 52989.92 528709.15 20:40:20 32.87 0.40 29.81 2.66 13.36 4917.68 9563.35 20:50:07 18.80 1.03 13.96 3.81 31.05 2069.78 21187.21 Average: 122.08 0.71 107.45 13.91 24.97 20042.27 186853.27 20:20:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:20 2117300 22452788 9697224 29.51 593576 18827304 16554508 48.82 5061504 21995120 156 20:40:20 356488 16103776 14994776 45.63 575880 15345748 25624584 75.56 4831236 23907644 4820 20:50:07 8409476 23836868 8308420 25.28 577528 14008816 12660080 37.33 4778592 16019376 632 Average: 3627755 20797811 11000140 33.47 582328 16060623 18279724 53.90 4890444 20640713 1869 20:20:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:20 lo 2.30 2.30 0.66 0.66 0.00 0.00 0.00 0.00 20:30:20 ens3 346.94 194.06 3601.44 59.80 0.00 0.00 0.00 0.00 20:30:20 docker0 34.77 64.36 2.60 775.27 0.00 0.00 0.00 0.00 20:30:20 br-4cea955b95b5 0.30 0.26 0.01 0.02 0.00 0.00 0.00 0.00 20:30:20 vethca42f39 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 20:30:20 veth7ba133e 0.20 0.25 0.02 0.02 0.00 0.00 0.00 0.00 20:30:20 veth36d41c2 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 20:30:20 veth63b1d8a 6.62 6.54 4.72 1.31 0.00 0.00 0.00 0.00 20:30:20 veth076556e 0.03 0.11 0.00 0.01 0.00 0.00 0.00 0.00 20:30:20 vethc121d71 1.06 0.97 0.12 0.95 0.00 0.00 0.00 0.00 20:30:20 vethdc2b10d 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 20:30:20 veth5587848 0.77 0.69 0.10 0.82 0.00 0.00 0.00 0.00 20:40:20 lo 54.78 54.78 242.28 242.28 0.00 0.00 0.00 0.00 20:40:20 ens3 5.64 5.02 2.02 2.02 0.00 0.00 0.00 0.00 20:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:20 br-4cea955b95b5 41.37 48.56 57.96 187.30 0.00 0.00 0.00 0.00 20:40:20 vethca42f39 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 20:40:20 veth7ba133e 15.72 16.82 63.38 42.14 0.00 0.00 0.00 0.01 20:40:20 veth36d41c2 29.26 27.66 244.12 63.68 0.00 0.00 0.00 0.02 20:40:20 veth63b1d8a 141.79 148.49 95.89 77.17 0.00 0.00 0.00 0.01 20:40:20 veth076556e 57.67 65.72 58.36 428.40 0.00 0.00 0.00 0.04 20:40:20 vethc121d71 109.45 101.65 104.61 61.06 0.00 0.00 0.00 0.01 20:40:20 veth5587848 48.93 49.02 29.16 39.68 0.00 0.00 0.00 0.00 20:50:07 lo 22.24 22.24 102.16 102.16 0.00 0.00 0.00 0.00 20:50:07 ens3 2.45 2.06 1.06 2.48 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 br-4cea955b95b5 19.21 19.99 29.02 74.34 0.00 0.00 0.00 0.00 20:50:07 vethca42f39 0.14 0.14 0.02 0.05 0.00 0.00 0.00 0.00 20:50:07 veth7ba133e 7.71 8.29 25.68 30.69 0.00 0.00 0.00 0.00 20:50:07 veth36d41c2 12.41 11.93 120.42 25.71 0.00 0.00 0.00 0.01 20:50:07 veth63b1d8a 36.54 40.11 22.86 9.39 0.00 0.00 0.00 0.00 20:50:07 veth076556e 25.77 26.64 29.48 193.50 0.00 0.00 0.00 0.02 20:50:07 vethc121d71 26.37 23.86 34.48 12.28 0.00 0.00 0.00 0.00 Average: lo 26.53 26.53 115.41 115.41 0.00 0.00 0.00 0.00 Average: ens3 118.63 67.21 1204.38 21.48 0.00 0.00 0.00 0.00 Average: docker0 11.62 21.50 0.87 259.04 0.00 0.00 0.00 0.00 Average: br-4cea955b95b5 20.35 23.01 29.07 87.53 0.00 0.00 0.00 0.00 Average: vethca42f39 0.09 0.12 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth7ba133e 7.90 8.47 29.80 24.29 0.00 0.00 0.00 0.00 Average: veth36d41c2 13.95 13.28 121.82 29.90 0.00 0.00 0.00 0.01 Average: veth63b1d8a 61.97 65.37 41.38 29.51 0.00 0.00 0.00 0.00 Average: veth076556e 27.90 30.93 29.35 207.91 0.00 0.00 0.00 0.02 Average: vethc121d71 45.88 42.40 46.61 24.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2594) 10/17/26 _x86_64_ (8 CPU) 20:14:21 LINUX RESTART (8 CPU) 20:20:24 CPU %user %nice %system %iowait %steal %idle 20:30:20 all 27.25 0.03 4.64 1.15 0.01 66.92 20:30:20 0 29.16 0.02 4.76 0.77 0.01 65.29 20:30:20 1 26.86 0.02 4.88 1.57 0.01 66.66 20:30:20 2 28.15 0.03 4.77 1.38 0.01 65.65 20:30:20 3 25.38 0.02 4.45 0.92 0.01 69.22 20:30:20 4 25.05 0.03 4.65 1.15 0.01 69.10 20:30:20 5 25.61 0.04 4.54 1.38 0.02 68.41 20:30:20 6 28.57 0.03 4.47 1.08 0.02 65.84 20:30:20 7 29.20 0.02 4.58 0.98 0.01 65.21 20:40:20 all 20.74 0.01 3.92 0.12 0.01 75.20 20:40:20 0 19.57 0.01 4.87 0.09 0.01 75.44 20:40:20 1 21.41 0.01 4.27 0.18 0.01 74.12 20:40:20 2 19.94 0.01 3.87 0.09 0.01 76.08 20:40:20 3 20.64 0.00 3.78 0.05 0.01 75.51 20:40:20 4 21.76 0.00 3.82 0.18 0.01 74.23 20:40:20 5 20.87 0.01 3.56 0.16 0.01 75.39 20:40:20 6 20.90 0.01 3.54 0.08 0.01 75.48 20:40:20 7 20.83 0.01 3.66 0.10 0.01 75.39 20:50:07 all 7.70 0.00 2.04 0.11 0.01 90.14 20:50:07 0 7.13 0.01 2.54 0.07 0.01 90.25 20:50:07 1 7.26 0.01 2.15 0.12 0.01 90.45 20:50:07 2 8.16 0.00 2.07 0.05 0.01 89.71 20:50:07 3 8.40 0.00 1.96 0.23 0.01 89.39 20:50:07 4 7.71 0.00 2.03 0.12 0.01 90.13 20:50:07 5 8.11 0.00 1.98 0.08 0.01 89.82 20:50:07 6 7.16 0.01 1.69 0.08 0.01 91.05 20:50:07 7 7.66 0.01 1.87 0.11 0.01 90.34 Average: all 18.62 0.01 3.54 0.46 0.01 77.36 Average: 0 18.67 0.01 4.07 0.31 0.01 76.94 Average: 1 18.56 0.01 3.77 0.62 0.01 77.02 Average: 2 18.80 0.01 3.58 0.51 0.01 77.09 Average: 3 18.19 0.01 3.41 0.40 0.01 77.98 Average: 4 18.23 0.01 3.51 0.48 0.01 77.75 Average: 5 18.25 0.02 3.37 0.54 0.01 77.81 Average: 6 18.93 0.01 3.24 0.41 0.01 77.39 Average: 7 19.30 0.01 3.38 0.40 0.01 76.90