---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5334 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 18G 138G 12% / 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 735 20844 4 10511 30888 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:cd:15:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.182/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84685sec preferred_lft 84685sec inet6 fe80::f816:3eff:fecd:153c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:a8:c1:3c:78:70 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::90a8:c1ff:fe3c:7870/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-5334) 09/26/26 _x86_64_ (8 CPU) 08:55:36 LINUX RESTART (8 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:34 1.68 0.03 1.64 0.01 1.42 20.20 210.39 09:20:18 126.58 4.55 118.31 3.72 491.76 27670.94 2091.22 Average: 61.66 2.20 57.66 1.79 236.88 13298.19 1113.57 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:34 30100060 31769128 618348 1.88 59516 1949280 1542348 4.55 180084 2296068 12 09:20:18 19627276 29484548 2761752 8.40 188076 9686176 10241836 30.20 848640 11623728 169940 Average: 24863668 30626838 1690050 5.14 123796 5817728 5892092 17.38 514362 6959898 84976 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:34 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:10:34 ens3 0.46 0.30 0.21 0.35 0.00 0.00 0.00 0.00 09:10:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:18 lo 0.86 0.86 0.08 0.08 0.00 0.00 0.00 0.00 09:20:18 ens3 183.39 93.49 3948.65 10.75 0.00 0.00 0.00 0.00 09:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:18 br-c261caa5a716 7.64 15.53 0.43 202.38 0.00 0.00 0.00 0.00 09:20:18 veth9589004 17.40 19.30 3.49 2.88 0.00 0.00 0.00 0.00 09:20:18 vethcf40aa1 0.51 0.64 0.08 0.09 0.00 0.00 0.00 0.00 09:20:18 veth883feca 0.02 0.09 0.00 0.01 0.00 0.00 0.00 0.00 09:20:18 vethe6c3421 0.85 0.91 0.13 0.12 0.00 0.00 0.00 0.00 09:20:18 veth9ac0a8a 7.58 15.59 0.53 202.38 0.00 0.00 0.00 0.02 09:20:18 vethe5804f9 9.43 9.43 1.60 1.91 0.00 0.00 0.00 0.00 09:20:18 veth97f9c19 3.98 3.92 0.46 0.92 0.00 0.00 0.00 0.00 09:20:18 veth7714c06 0.19 0.23 0.02 0.02 0.00 0.00 0.00 0.00 Average: lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 88.31 45.05 1896.26 5.35 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 Average: br-c261caa5a716 3.67 7.46 0.21 97.18 0.00 0.00 0.00 0.00 Average: veth9589004 8.35 9.27 1.68 1.38 0.00 0.00 0.00 0.00 Average: vethcf40aa1 0.24 0.31 0.04 0.04 0.00 0.00 0.00 0.00 Average: veth883feca 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe6c3421 0.41 0.44 0.06 0.06 0.00 0.00 0.00 0.00 Average: veth9ac0a8a 3.64 7.48 0.26 97.18 0.00 0.00 0.00 0.01 Average: vethe5804f9 4.53 4.53 0.77 0.92 0.00 0.00 0.00 0.00 Average: veth97f9c19 1.91 1.88 0.22 0.44 0.00 0.00 0.00 0.00 Average: veth7714c06 0.09 0.11 0.01 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-5334) 09/26/26 _x86_64_ (8 CPU) 08:55:36 LINUX RESTART (8 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:34 all 0.09 0.00 0.01 0.01 0.00 99.89 09:10:34 0 0.10 0.00 0.02 0.05 0.00 99.83 09:10:34 1 0.02 0.00 0.01 0.00 0.00 99.97 09:10:34 2 0.04 0.00 0.02 0.00 0.00 99.94 09:10:34 3 0.01 0.00 0.03 0.00 0.00 99.96 09:10:34 4 0.01 0.00 0.01 0.01 0.00 99.97 09:10:34 5 0.03 0.00 0.02 0.00 0.00 99.95 09:10:34 6 0.01 0.00 0.00 0.00 0.00 99.99 09:10:34 7 0.49 0.00 0.01 0.00 0.00 99.50 09:20:18 all 5.26 0.00 1.44 0.64 0.00 92.65 09:20:18 0 4.98 0.00 1.55 0.77 0.01 92.69 09:20:18 1 5.19 0.00 1.47 1.08 0.01 92.26 09:20:18 2 4.66 0.00 1.39 0.81 0.00 93.14 09:20:18 3 5.09 0.00 1.36 0.40 0.01 93.14 09:20:18 4 5.54 0.00 1.45 0.47 0.01 92.54 09:20:18 5 7.03 0.00 1.49 0.65 0.01 90.82 09:20:18 6 5.11 0.00 1.46 0.51 0.00 92.91 09:20:18 7 4.48 0.00 1.32 0.46 0.00 93.73 Average: all 2.57 0.00 0.70 0.31 0.00 96.42 Average: 0 2.44 0.00 0.76 0.39 0.00 96.40 Average: 1 2.50 0.00 0.71 0.52 0.00 96.27 Average: 2 2.25 0.00 0.68 0.39 0.00 96.68 Average: 3 2.45 0.00 0.67 0.20 0.00 96.68 Average: 4 2.66 0.00 0.70 0.23 0.00 96.41 Average: 5 3.39 0.00 0.72 0.31 0.00 95.57 Average: 6 2.46 0.00 0.70 0.24 0.00 96.59 Average: 7 2.40 0.00 0.64 0.23 0.00 96.73