---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7379 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 9.5G 68G 13% / 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 623 11354 4 4010 15023 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:bd:2b:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83494sec preferred_lft 83494sec inet6 fe80::f816:3eff:febd:2b9f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:59:d6:1f:7a:81 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7379) 02/03/26 _x86_64_ (4 CPU) 08:52:37 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:08 13.96 0.01 12.42 1.53 0.14 1305.42 4013.61 09:20:01 1.66 0.00 1.66 0.00 0.01 22.15 0.00 09:30:01 1.32 0.00 1.32 0.00 0.00 16.16 0.00 09:40:00 1.45 0.00 1.45 0.00 0.00 17.74 0.00 Average: 4.64 0.00 4.25 0.39 0.04 344.62 1016.70 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:08 8495060 12234288 3723428 22.74 138384 3724704 3668580 21.06 881212 6606912 52 09:20:01 8358504 12098268 3859448 23.57 138880 3724716 3809668 21.87 881720 6747300 236 09:30:01 8356236 12096476 3861296 23.58 139200 3724852 3809732 21.87 882040 6747548 220 09:40:00 8354220 12094840 3862848 23.59 139556 3724860 3817988 21.92 882396 6748156 28 Average: 8391005 12130968 3826755 23.37 139005 3724783 3776492 21.68 881842 6712479 134 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:08 lo 659.50 659.50 622.87 622.87 0.00 0.00 0.00 0.00 09:10:08 ens3 14.54 13.09 7.72 4.26 0.00 0.00 0.00 0.00 09:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:20:01 ens3 0.30 0.10 0.08 0.04 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:01 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:00 ens3 0.32 0.11 0.08 0.04 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 167.13 167.13 157.78 157.78 0.00 0.00 0.00 0.00 Average: ens3 3.90 3.39 2.01 1.10 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7379) 02/03/26 _x86_64_ (4 CPU) 08:52:37 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:08 all 51.16 0.00 1.39 0.03 0.08 47.34 09:10:08 0 60.33 0.00 1.37 0.01 0.08 38.20 09:10:08 1 43.12 0.00 1.30 0.03 0.09 55.47 09:10:08 2 53.74 0.00 1.41 0.04 0.08 44.73 09:10:08 3 47.44 0.00 1.48 0.04 0.09 50.94 09:20:01 all 25.41 0.00 0.16 0.01 0.07 74.36 09:20:01 0 27.86 0.00 0.15 0.00 0.08 71.91 09:20:01 1 17.44 0.00 0.17 0.00 0.07 82.32 09:20:01 2 27.98 0.00 0.14 0.02 0.05 71.81 09:20:01 3 28.35 0.00 0.17 0.01 0.06 71.40 09:30:01 all 25.34 0.00 0.14 0.01 0.07 74.45 09:30:01 0 2.79 0.00 0.16 0.01 0.07 96.97 09:30:01 1 38.40 0.00 0.12 0.00 0.06 61.42 09:30:01 2 28.77 0.00 0.14 0.01 0.07 71.01 09:30:01 3 31.41 0.00 0.12 0.02 0.07 68.38 09:40:00 all 25.31 0.00 0.15 0.01 0.07 74.46 09:40:00 0 16.48 0.00 0.13 0.00 0.07 83.33 09:40:00 1 31.18 0.00 0.16 0.01 0.07 68.57 09:40:00 2 0.51 0.00 0.20 0.01 0.07 99.22 09:40:00 3 53.05 0.00 0.12 0.01 0.06 46.77 Average: all 31.89 0.00 0.46 0.01 0.07 67.57 Average: 0 26.96 0.00 0.46 0.00 0.07 72.50 Average: 1 32.62 0.00 0.44 0.01 0.07 66.86 Average: 2 27.85 0.00 0.48 0.02 0.07 71.59 Average: 3 40.12 0.00 0.48 0.02 0.07 59.31