---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33501 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 nrip_save 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 12G 67G 15% / 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 797 9224 4 5967 14849 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:3e:0a:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83338sec preferred_lft 83338sec inet6 fe80::f816:3eff:fe3e:a27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:4f:ed:b3:a3:34 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33501) 07/06/26 _x86_64_ (4 CPU) 20:09:38 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:28 12.17 5.86 6.12 0.19 1286.85 4173.54 990.30 20:30:13 52.49 4.56 46.94 0.99 272.95 4818.83 1722.43 20:40:28 34.92 0.41 29.20 5.30 13.74 4346.64 4442.35 20:50:05 48.44 0.00 39.03 9.40 0.00 2948.11 14963.74 21:00:28 19.88 0.16 16.63 3.09 12.06 3702.28 4311.89 Average: 33.08 2.21 27.13 3.74 324.69 4002.81 5179.89 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:28 13646376 15524332 492700 3.01 55536 2048236 1141824 6.55 257360 2211484 8 20:30:13 10593952 13817484 2144220 13.10 129096 3238704 2494444 14.32 572072 4840676 24492 20:40:28 8759408 13199864 2751516 16.81 188808 4294800 2980992 17.11 836464 6312112 114284 20:50:05 8496768 13288816 2658004 16.23 223476 4572696 2828108 16.23 943116 6410756 18876 21:00:28 9477112 15225284 718820 4.39 246448 5461172 1225080 7.03 1287668 5035556 10288 Average: 10194723 14211156 1753052 10.71 168673 3923122 2134090 12.25 779336 4962117 33590 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:28 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 20:20:28 ens3 17.98 11.90 90.90 2.22 0.00 0.00 0.00 0.00 20:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:13 lo 0.77 0.77 0.08 0.08 0.00 0.00 0.00 0.00 20:30:13 ens3 121.52 93.30 851.63 19.91 0.00 0.00 0.00 0.00 20:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:28 lo 2406.32 2406.32 2294.69 2294.69 0.00 0.00 0.00 0.00 20:40:28 ens3 96.56 71.57 320.33 20.66 0.00 0.00 0.00 0.00 20:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:05 lo 4814.99 4814.99 4590.88 4590.88 0.00 0.00 0.00 0.00 20:50:05 ens3 67.53 52.21 21.29 18.73 0.00 0.00 0.00 0.00 20:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:28 lo 1021.93 1021.93 949.39 949.39 0.00 0.00 0.00 0.00 21:00:28 ens3 139.87 142.09 127.49 578.08 0.00 0.00 0.00 0.00 21:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1617.22 1617.22 1536.73 1536.73 0.00 0.00 0.00 0.00 Average: ens3 88.47 74.22 278.70 131.04 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33501) 07/06/26 _x86_64_ (4 CPU) 20:09:38 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:28 all 0.58 0.00 0.12 0.15 0.01 99.14 20:20:28 0 0.38 0.00 0.11 0.32 0.00 99.19 20:20:28 1 0.39 0.00 0.11 0.07 0.01 99.43 20:20:28 2 0.43 0.00 0.10 0.06 0.02 99.39 20:20:28 3 1.12 0.00 0.15 0.17 0.02 98.54 20:30:13 all 32.72 0.00 1.30 0.26 0.06 65.66 20:30:13 0 34.55 0.00 1.54 0.10 0.06 63.75 20:30:13 1 33.33 0.00 1.08 0.13 0.06 65.39 20:30:13 2 31.67 0.00 1.25 0.41 0.06 66.61 20:30:13 3 31.32 0.00 1.30 0.41 0.06 66.90 20:40:28 all 64.73 0.00 3.18 0.13 0.10 31.86 20:40:28 0 62.56 0.00 3.16 0.12 0.10 34.06 20:40:28 1 66.02 0.00 3.41 0.18 0.11 30.28 20:40:28 2 65.09 0.00 3.08 0.13 0.10 31.61 20:40:28 3 65.25 0.00 3.08 0.08 0.10 31.49 20:50:05 all 62.96 0.00 4.04 0.08 0.10 32.83 20:50:05 0 62.99 0.00 3.60 0.07 0.10 33.25 20:50:05 1 64.19 0.00 4.48 0.10 0.10 31.13 20:50:05 2 61.64 0.00 3.65 0.07 0.10 34.54 20:50:05 3 63.00 0.00 4.43 0.07 0.10 32.40 21:00:28 all 34.02 0.00 1.77 0.08 0.07 64.06 21:00:28 0 31.92 0.00 1.58 0.04 0.07 66.39 21:00:28 1 34.02 0.00 1.64 0.17 0.07 64.10 21:00:28 2 35.55 0.00 2.01 0.11 0.07 62.27 21:00:28 3 34.58 0.00 1.84 0.02 0.07 63.48 Average: all 38.55 0.00 2.05 0.14 0.07 59.19 Average: 0 38.01 0.00 1.97 0.13 0.07 59.82 Average: 1 39.12 0.00 2.11 0.13 0.07 58.56 Average: 2 38.45 0.00 1.99 0.15 0.07 59.34 Average: 3 38.61 0.00 2.13 0.15 0.07 59.04