---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41950 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 65G 17% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 659 8191 4 7139 14986 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:a9:b0:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83609sec preferred_lft 83609sec inet6 fe80::f816:3eff:fea9:b00e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:4f:6e:48:95:61 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41950) 08/28/26 _x86_64_ (4 CPU) 06:54:56 LINUX RESTART (4 CPU) 07:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:27 26.57 2.82 21.13 2.61 154.66 3856.60 11069.52 07:20:12 26.77 0.02 23.98 2.77 0.40 2215.06 28176.47 07:30:00 16.19 0.03 14.75 1.42 0.65 3437.48 10901.62 07:40:12 10.72 0.14 9.41 1.17 9.72 7217.59 1063.87 Average: 20.06 0.78 17.29 1.99 42.84 4208.60 12642.51 07:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:27 9633972 13346532 2611132 15.95 141760 3685604 2882028 16.54 676596 5673612 111164 07:20:12 8782008 12797424 3156472 19.28 161740 3938540 3265596 18.74 781128 6379812 24976 07:30:00 5581212 10465036 5486180 33.51 174132 4762644 5291644 30.37 1038440 9261956 29620 07:40:12 8417444 15366648 577596 3.53 188340 6748304 1115088 6.40 1788068 5610768 24 Average: 8103659 12993910 2957845 18.07 166493 4783773 3138589 18.02 1071058 6731537 41446 07:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:27 lo 1485.36 1485.36 1410.19 1410.19 0.00 0.00 0.00 0.00 07:10:27 ens3 114.29 91.52 1011.30 20.50 0.00 0.00 0.00 0.00 07:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:12 lo 1218.30 1218.30 1160.86 1160.86 0.00 0.00 0.00 0.00 07:20:12 ens3 26.95 21.89 22.33 10.03 0.00 0.00 0.00 0.00 07:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 lo 652.26 652.26 2917.79 2917.79 0.00 0.00 0.00 0.00 07:30:00 ens3 17.64 13.96 14.49 5.83 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:12 lo 2433.19 2433.19 6829.53 6829.53 0.00 0.00 0.00 0.00 07:40:12 ens3 79.45 91.74 144.06 1211.30 0.00 0.00 0.00 0.00 07:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1457.66 1457.66 3092.75 3092.75 0.00 0.00 0.00 0.00 Average: ens3 60.65 55.74 307.85 316.52 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41950) 08/28/26 _x86_64_ (4 CPU) 06:54:56 LINUX RESTART (4 CPU) 07:00:01 CPU %user %nice %system %iowait %steal %idle 07:10:27 all 54.23 0.00 2.45 0.10 0.01 43.22 07:10:27 0 53.26 0.00 2.55 0.07 0.01 44.10 07:10:27 1 56.17 0.00 2.44 0.07 0.02 41.30 07:10:27 2 52.95 0.00 2.50 0.11 0.01 44.43 07:10:27 3 54.52 0.00 2.29 0.14 0.01 43.03 07:20:12 all 64.80 0.00 2.62 0.08 0.02 32.48 07:20:12 0 65.42 0.00 2.91 0.05 0.02 31.61 07:20:12 1 65.55 0.00 2.56 0.07 0.01 31.81 07:20:12 2 65.61 0.00 2.61 0.04 0.02 31.71 07:20:12 3 62.63 0.00 2.39 0.18 0.03 34.77 07:30:00 all 36.13 0.00 1.64 0.09 0.01 62.14 07:30:00 0 32.23 0.00 1.77 0.04 0.01 65.96 07:30:00 1 34.41 0.00 1.82 0.11 0.01 63.65 07:30:00 2 41.91 0.00 1.55 0.12 0.02 56.40 07:30:00 3 35.96 0.00 1.39 0.10 0.01 62.54 07:40:12 all 26.60 0.00 1.29 0.13 0.01 71.97 07:40:12 0 21.95 0.00 1.15 0.06 0.01 76.83 07:40:12 1 32.77 0.00 1.67 0.27 0.02 65.26 07:40:12 2 21.39 0.00 1.21 0.10 0.00 77.30 07:40:12 3 30.30 0.00 1.11 0.10 0.01 68.49 Average: all 45.36 0.00 2.00 0.10 0.01 52.53 Average: 0 43.12 0.00 2.09 0.05 0.01 54.73 Average: 1 47.20 0.00 2.13 0.13 0.01 50.53 Average: 2 45.31 0.00 1.97 0.09 0.01 52.61 Average: 3 45.81 0.00 1.80 0.13 0.01 52.25