---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53517 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 66G 16% / 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 658 8781 4 6550 14988 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:50:44:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84019sec preferred_lft 84019sec inet6 fe80::f816:3eff:fe50:447f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:02:0b:96:19:57 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53517) 03/27/26 _x86_64_ (4 CPU) 12:02:19 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:08 21.84 0.07 19.13 2.65 6.33 2202.01 4952.48 12:30:08 32.55 0.01 29.25 3.28 0.24 2862.65 16125.35 12:40:01 11.72 0.32 10.23 1.18 11.78 7894.54 3180.98 Average: 22.08 0.13 19.57 2.38 6.10 4299.08 8094.28 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:08 8879528 12469972 3488176 21.30 144924 3559248 3447152 19.79 704868 6398720 17440 12:30:08 8045212 12650144 3303304 20.18 168776 4503740 3237468 18.58 992852 6893476 486120 12:40:01 9017752 15365680 581776 3.55 185244 6173188 1092512 6.27 1639944 5187460 200 Average: 8647497 13495265 2457752 15.01 166315 4745392 2592377 14.88 1112555 6159885 167920 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:08 lo 1346.73 1346.73 1276.70 1276.70 0.00 0.00 0.00 0.00 12:20:08 ens3 35.17 30.26 26.42 12.31 0.00 0.00 0.00 0.00 12:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:08 lo 1447.78 1447.78 1379.24 1379.24 0.00 0.00 0.00 0.00 12:30:08 ens3 40.59 31.48 49.82 12.57 0.00 0.00 0.00 0.00 12:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 246.55 246.55 6914.66 6914.66 0.00 0.00 0.00 0.00 12:40:01 ens3 69.36 80.49 143.04 1013.65 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1017.71 1017.71 3169.67 3169.67 0.00 0.00 0.00 0.00 Average: ens3 48.25 47.23 72.67 342.53 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53517) 03/27/26 _x86_64_ (4 CPU) 12:02:19 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:08 all 69.73 0.00 2.35 0.04 0.17 27.70 12:20:08 0 69.15 0.00 2.42 0.05 0.16 28.22 12:20:08 1 70.01 0.00 2.27 0.05 0.18 27.49 12:20:08 2 69.55 0.00 2.25 0.03 0.18 27.99 12:20:08 3 70.21 0.00 2.47 0.03 0.18 27.11 12:30:08 all 64.74 0.00 2.61 0.19 0.17 32.28 12:30:08 0 62.67 0.00 2.52 0.13 0.17 34.51 12:30:08 1 63.72 0.00 2.70 0.37 0.16 33.05 12:30:08 2 65.30 0.00 2.22 0.06 0.17 32.25 12:30:08 3 67.28 0.00 3.01 0.22 0.18 29.32 12:40:01 all 29.28 0.00 1.03 0.14 0.11 69.45 12:40:01 0 32.97 0.00 1.00 0.17 0.12 65.74 12:40:01 1 20.24 0.00 0.88 0.10 0.10 78.69 12:40:01 2 33.97 0.00 1.03 0.09 0.11 64.80 12:40:01 3 29.92 0.00 1.19 0.20 0.10 68.58 Average: all 54.71 0.00 2.00 0.12 0.15 43.01 Average: 0 55.03 0.00 1.98 0.11 0.15 42.72 Average: 1 51.48 0.00 1.95 0.17 0.14 46.25 Average: 2 56.39 0.00 1.84 0.06 0.15 41.56 Average: 3 55.94 0.00 2.23 0.15 0.15 41.53