---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-214 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 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 687 8153 4 7147 14957 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:0a:57:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83355sec preferred_lft 83355sec inet6 fe80::f816:3eff:fe0a:5799/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:86:e9:e8:f7:3b 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-214) 09/05/26 _x86_64_ (4 CPU) 07:56:58 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:17 15.09 2.79 11.38 0.92 152.19 2810.64 1622.95 08:20:19 19.80 0.08 17.33 2.39 6.72 1903.66 2969.90 08:30:01 32.86 0.02 29.36 3.48 0.59 2560.09 10382.46 08:40:14 5.86 0.02 5.61 0.23 0.47 4030.91 2642.01 Average: 18.21 0.75 15.74 1.73 40.82 2833.77 4332.09 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:17 10252004 13711496 2248876 13.74 130452 3467540 2411228 13.84 577772 5181704 110396 08:20:19 9106336 12884724 3071628 18.76 150840 3730164 3350600 19.23 717488 6144580 24460 08:30:01 8305048 12524372 3428624 20.94 173128 4118408 3475504 19.95 840928 6783560 39360 08:40:14 6564752 12720304 3226164 19.70 184004 5980664 3134892 17.99 1543664 7724792 839416 Average: 8557035 12960224 2993823 18.29 159606 4324194 3093056 17.75 919963 6458659 253408 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:17 lo 863.41 863.41 824.04 824.04 0.00 0.00 0.00 0.00 08:10:17 ens3 140.95 110.73 1051.89 16.72 0.00 0.00 0.00 0.00 08:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:19 lo 1093.76 1093.76 1035.47 1035.47 0.00 0.00 0.00 0.00 08:20:19 ens3 30.82 24.95 42.91 10.78 0.00 0.00 0.00 0.00 08:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 1503.38 1503.38 1432.61 1432.61 0.00 0.00 0.00 0.00 08:30:01 ens3 33.34 27.33 30.91 12.29 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:14 lo 2495.47 2495.47 9106.21 9106.21 0.00 0.00 0.00 0.00 08:40:14 ens3 19.11 16.23 93.26 4.58 0.00 0.00 0.00 0.00 08:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1489.58 1489.58 3125.80 3125.80 0.00 0.00 0.00 0.00 Average: ens3 56.59 45.23 310.56 11.09 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-214) 09/05/26 _x86_64_ (4 CPU) 07:56:58 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:17 all 20.36 0.00 1.24 0.14 0.01 78.24 08:10:17 0 20.16 0.00 1.09 0.07 0.01 78.67 08:10:17 1 20.67 0.00 0.93 0.07 0.01 78.31 08:10:17 2 20.59 0.00 1.46 0.34 0.01 77.61 08:10:17 3 20.02 0.00 1.49 0.10 0.01 78.37 08:20:19 all 56.94 0.00 2.18 0.06 0.02 40.80 08:20:19 0 57.03 0.00 2.00 0.08 0.02 40.86 08:20:19 1 57.36 0.00 2.35 0.06 0.02 40.20 08:20:19 2 55.32 0.00 2.40 0.08 0.02 42.18 08:20:19 3 58.06 0.00 1.95 0.02 0.02 39.95 08:30:01 all 62.26 0.00 2.88 0.10 0.03 34.73 08:30:01 0 61.39 0.00 2.55 0.15 0.02 35.89 08:30:01 1 61.63 0.00 3.24 0.13 0.03 34.97 08:30:01 2 64.41 0.00 3.12 0.09 0.03 32.35 08:30:01 3 61.60 0.00 2.61 0.04 0.03 35.73 08:40:14 all 30.50 0.00 1.38 0.07 0.03 68.03 08:40:14 0 28.10 0.00 1.14 0.07 0.03 70.67 08:40:14 1 40.28 0.00 1.54 0.09 0.03 58.06 08:40:14 2 29.80 0.00 1.31 0.06 0.02 68.81 08:40:14 3 23.80 0.00 1.52 0.06 0.03 74.59 Average: all 42.16 0.00 1.90 0.09 0.02 55.81 Average: 0 41.31 0.00 1.68 0.09 0.02 56.89 Average: 1 44.68 0.00 2.00 0.09 0.02 53.21 Average: 2 42.16 0.00 2.06 0.14 0.02 55.62 Average: 3 40.49 0.00 1.88 0.06 0.02 57.54