---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19713 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 28G 128G 18% / 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 896 13270 4 17925 30712 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:80:fb:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.219/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83177sec preferred_lft 83177sec inet6 fe80::f816:3eff:fe80:fb3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:b2:6c:ac:5a:20 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::c0b2:6cff:feac:5a20/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19713) 02/24/26 _x86_64_ (8 CPU) 07:22:32 LINUX RESTART (8 CPU) 07:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:00 465.55 0.63 454.93 9.99 8.55 50796.04 50340.10 07:50:13 123.88 0.93 99.87 23.09 33.41 11231.09 436780.93 08:00:00 25.94 0.23 23.46 2.25 19.99 4693.59 31624.38 08:10:13 10.42 0.06 9.93 0.43 1.10 1962.45 472.75 Average: 156.13 0.46 146.66 9.00 15.75 17117.85 131284.84 07:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:00 8713472 28585392 3616844 11.01 564020 18452284 3823368 11.27 5757656 16708584 292 07:50:13 261896 21078488 11016724 33.52 592168 19307232 17164308 50.62 5908360 22936520 3644 08:00:00 347248 19751700 12246812 37.27 585220 18029560 18341420 54.09 5799884 22934548 19092 08:10:13 373724 19441936 12549444 38.19 584588 17710488 18622392 54.92 5707704 23017524 27488 Average: 2424085 22214379 9857456 30.00 581499 18374891 14487872 42.72 5793401 21399294 12629 07:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:00 lo 0.40 0.40 0.05 0.05 0.00 0.00 0.00 0.00 07:40:00 ens3 174.18 109.09 1698.58 28.21 0.00 0.00 0.00 0.00 07:40:00 docker0 24.03 35.66 1.35 484.69 0.00 0.00 0.00 0.00 07:50:13 lo 1.06 1.06 1.15 1.15 0.00 0.00 0.00 0.00 07:50:13 ens3 49.38 39.79 909.05 9.33 0.00 0.00 0.00 0.00 07:50:13 docker0 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 07:50:13 br-1cea89e36d2e 1.35 1.45 0.28 4.21 0.00 0.00 0.00 0.00 07:50:13 veth73dc313 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:50:13 vethe27b2d3 71.50 75.31 35.57 36.67 0.00 0.00 0.00 0.00 07:50:13 vethb50566b 1.17 0.99 6.83 1.29 0.00 0.00 0.00 0.00 07:50:13 vethc1eaa71 1.84 2.06 0.22 22.65 0.00 0.00 0.00 0.00 07:50:13 veth5c5662b 1.33 1.56 18.52 6.85 0.00 0.00 0.00 0.00 07:50:13 veth55a8f34 71.49 67.35 49.96 32.51 0.00 0.00 0.00 0.00 07:50:13 veth37296f4 2.22 1.75 0.30 1.68 0.00 0.00 0.00 0.00 08:00:00 lo 28.44 28.44 106.32 106.32 0.00 0.00 0.00 0.00 08:00:00 ens3 8.93 7.78 28.25 1.54 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 br-1cea89e36d2e 25.11 28.93 21.19 114.38 0.00 0.00 0.00 0.00 08:00:00 veth73dc313 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 08:00:00 vethe27b2d3 71.33 78.07 48.09 28.59 0.00 0.00 0.00 0.00 08:00:00 vethb50566b 14.59 12.88 129.82 53.17 0.00 0.00 0.00 0.01 08:00:00 vethc1eaa71 36.71 40.55 21.22 340.22 0.00 0.00 0.00 0.03 08:00:00 veth5c5662b 20.82 22.87 227.91 130.12 0.00 0.00 0.00 0.02 08:00:00 veth55a8f34 34.75 31.69 61.53 13.91 0.00 0.00 0.00 0.01 08:00:00 veth37296f4 50.05 46.07 21.17 36.57 0.00 0.00 0.00 0.00 08:10:13 lo 34.07 34.07 161.75 161.75 0.00 0.00 0.00 0.00 08:10:13 ens3 1.03 0.70 0.32 0.62 0.00 0.00 0.00 0.00 08:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:13 br-1cea89e36d2e 28.94 33.91 33.44 130.23 0.00 0.00 0.00 0.00 08:10:13 veth73dc313 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:13 vethe27b2d3 60.29 66.45 45.56 22.08 0.00 0.00 0.00 0.00 08:10:13 vethb50566b 9.18 8.35 42.23 41.48 0.00 0.00 0.00 0.00 08:10:13 vethc1eaa71 33.59 38.51 34.14 170.60 0.00 0.00 0.00 0.01 08:10:13 veth5c5662b 8.96 9.61 41.88 41.76 0.00 0.00 0.00 0.00 08:10:13 veth55a8f34 42.32 39.61 50.12 21.98 0.00 0.00 0.00 0.00 08:10:13 veth37296f4 30.33 27.13 13.52 25.94 0.00 0.00 0.00 0.00 Average: lo 15.95 15.95 67.28 67.28 0.00 0.00 0.00 0.00 Average: ens3 58.27 39.29 660.03 9.91 0.00 0.00 0.00 0.00 Average: docker0 5.97 8.87 0.34 120.46 0.00 0.00 0.00 0.00 Average: br-1cea89e36d2e 13.81 16.03 13.72 61.99 0.00 0.00 0.00 0.00 Average: veth73dc313 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethe27b2d3 50.84 55.01 32.31 21.88 0.00 0.00 0.00 0.00 Average: vethb50566b 6.18 5.51 44.05 23.80 0.00 0.00 0.00 0.00 Average: vethc1eaa71 17.94 20.18 13.89 131.88 0.00 0.00 0.00 0.01 Average: veth5c5662b 7.68 8.40 70.79 44.00 0.00 0.00 0.00 0.01 Average: veth55a8f34 37.37 34.89 40.40 17.23 0.00 0.00 0.00 0.00 Average: veth37296f4 20.45 18.55 8.66 15.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19713) 02/24/26 _x86_64_ (8 CPU) 07:22:32 LINUX RESTART (8 CPU) 07:30:01 CPU %user %nice %system %iowait %steal %idle 07:40:00 all 20.22 0.00 3.52 2.00 0.09 74.18 07:40:00 0 18.75 0.00 3.33 0.85 0.09 76.99 07:40:00 1 20.52 0.00 3.80 1.10 0.08 74.49 07:40:00 2 22.18 0.00 4.53 2.51 0.09 70.69 07:40:00 3 19.65 0.00 3.66 1.23 0.08 75.38 07:40:00 4 17.80 0.00 3.35 1.90 0.08 76.88 07:40:00 5 19.20 0.00 3.43 3.34 0.08 73.95 07:40:00 6 20.23 0.00 3.01 3.09 0.09 73.58 07:40:00 7 23.43 0.00 3.04 1.98 0.09 71.46 07:50:13 all 9.96 0.02 1.31 0.63 0.09 88.00 07:50:13 0 8.72 0.03 1.30 0.75 0.08 89.11 07:50:13 1 10.11 0.03 1.46 0.69 0.09 87.62 07:50:13 2 11.46 0.01 1.30 0.67 0.09 86.46 07:50:13 3 9.82 0.01 1.27 0.36 0.09 88.45 07:50:13 4 10.73 0.02 1.19 0.67 0.08 87.30 07:50:13 5 9.37 0.02 1.32 1.00 0.09 88.21 07:50:13 6 9.41 0.02 1.27 0.46 0.08 88.76 07:50:13 7 10.09 0.04 1.33 0.40 0.08 88.07 08:00:00 all 10.32 0.01 2.15 0.41 0.13 86.99 08:00:00 0 9.71 0.00 2.26 0.25 0.13 87.65 08:00:00 1 10.77 0.00 2.20 0.52 0.13 86.38 08:00:00 2 9.76 0.01 2.09 0.32 0.14 87.68 08:00:00 3 10.66 0.01 1.99 0.28 0.12 86.95 08:00:00 4 11.28 0.00 2.24 0.27 0.14 86.06 08:00:00 5 11.77 0.02 2.24 0.33 0.13 85.51 08:00:00 6 8.91 0.01 2.20 0.61 0.12 88.14 08:00:00 7 9.71 0.01 1.93 0.70 0.13 87.52 08:10:13 all 7.73 0.00 1.92 0.60 0.13 89.62 08:10:13 0 7.83 0.00 2.18 0.51 0.12 89.36 08:10:13 1 7.54 0.00 1.92 1.45 0.14 88.96 08:10:13 2 7.66 0.00 1.98 0.31 0.13 89.92 08:10:13 3 9.00 0.00 2.03 0.44 0.14 88.39 08:10:13 4 6.39 0.00 1.72 1.52 0.13 90.24 08:10:13 5 7.69 0.00 1.81 0.18 0.13 90.19 08:10:13 6 7.44 0.00 1.69 0.14 0.12 90.60 08:10:13 7 8.26 0.00 2.01 0.28 0.13 89.33 Average: all 12.03 0.01 2.22 0.91 0.11 84.73 Average: 0 11.23 0.01 2.26 0.59 0.11 85.80 Average: 1 12.20 0.01 2.34 0.94 0.11 84.40 Average: 2 12.75 0.01 2.47 0.95 0.11 83.71 Average: 3 12.25 0.01 2.23 0.58 0.11 84.83 Average: 4 11.52 0.01 2.12 1.10 0.11 85.15 Average: 5 11.97 0.01 2.19 1.21 0.11 84.51 Average: 6 11.48 0.01 2.04 1.07 0.10 85.30 Average: 7 12.86 0.01 2.07 0.83 0.11 84.12