---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7134 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): 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 11G 67G 14% / 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 652 10287 4 5048 14992 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:73:1b:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83578sec preferred_lft 83578sec inet6 fe80::f816:3eff:fe73:1bf9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:ad:e0:9c:20:4d 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7134) 09/11/26 _x86_64_ (4 CPU) 08:39:40 LINUX RESTART (4 CPU) 08:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:13 11.38 6.20 5.11 0.08 1203.95 4059.72 725.71 09:00:13 1.30 0.01 1.29 0.00 0.04 15.92 0.00 09:10:13 43.21 4.28 38.22 0.71 260.00 4445.11 654.97 09:20:13 17.22 0.06 3.63 13.53 6.75 603.92 238445.15 Average: 18.24 2.65 12.03 3.56 371.88 2290.08 59659.58 08:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:13 13743800 15525084 493052 3.01 53536 1955752 1163056 6.68 192556 2193720 20 09:00:13 13737556 15519460 498648 3.05 53996 1955892 1163312 6.68 193028 2199312 12 09:10:13 10372400 13430972 2531804 15.46 112072 3110076 2882264 16.54 476060 5187976 288 09:20:13 10210648 13496724 2464440 15.05 118780 3313376 2697792 15.49 525216 5270156 49832 Average: 12016101 14493060 1496986 9.14 84596 2583774 1976606 11.35 346715 3712791 12538 08:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:13 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 08:50:13 ens3 14.48 9.79 41.85 2.07 0.00 0.00 0.00 0.00 08:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:00:13 ens3 1.07 0.86 0.32 0.73 0.00 0.00 0.00 0.00 09:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:13 lo 0.77 0.77 0.08 0.08 0.00 0.00 0.00 0.00 09:10:13 ens3 121.29 95.79 908.27 14.13 0.00 0.00 0.00 0.00 09:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:13 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 09:20:13 ens3 16.33 12.78 73.48 2.94 0.00 0.00 0.00 0.00 09:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.42 0.42 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 38.18 29.70 254.91 4.95 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7134) 09/11/26 _x86_64_ (4 CPU) 08:39:40 LINUX RESTART (4 CPU) 08:40:01 CPU %user %nice %system %iowait %steal %idle 08:50:13 all 0.51 0.00 0.15 0.12 0.00 99.22 08:50:13 0 0.80 0.00 0.22 0.03 0.00 98.95 08:50:13 1 0.43 0.00 0.14 0.28 0.01 99.14 08:50:13 2 0.34 0.00 0.12 0.12 0.00 99.41 08:50:13 3 0.45 0.00 0.10 0.06 0.00 99.39 09:00:13 all 0.10 0.00 0.03 0.01 0.01 99.86 09:00:13 0 0.03 0.00 0.02 0.02 0.00 99.93 09:00:13 1 0.25 0.00 0.06 0.01 0.01 99.66 09:00:13 2 0.05 0.00 0.03 0.01 0.01 99.91 09:00:13 3 0.05 0.00 0.02 0.00 0.00 99.93 09:10:13 all 32.08 0.00 1.03 0.28 0.02 66.59 09:10:13 0 32.43 0.00 1.09 0.49 0.02 65.98 09:10:13 1 33.15 0.00 1.02 0.15 0.02 65.66 09:10:13 2 30.04 0.00 0.93 0.40 0.02 68.61 09:10:13 3 32.71 0.00 1.08 0.06 0.02 66.12 09:20:13 all 50.35 0.00 0.79 0.02 0.03 48.80 09:20:13 0 56.33 0.00 0.80 0.01 0.03 42.83 09:20:13 1 46.99 0.00 0.64 0.00 0.02 52.35 09:20:13 2 61.17 0.00 0.98 0.04 0.03 37.77 09:20:13 3 36.95 0.00 0.76 0.04 0.02 62.22 Average: all 20.66 0.00 0.50 0.11 0.01 78.72 Average: 0 22.30 0.00 0.53 0.13 0.01 77.02 Average: 1 20.11 0.00 0.46 0.11 0.01 79.30 Average: 2 22.78 0.00 0.51 0.14 0.01 76.54 Average: 3 17.46 0.00 0.49 0.04 0.01 82.00