---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13665 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 761 24891 4 6439 30863 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:1d:02:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84341sec preferred_lft 84341sec inet6 fe80::f816:3eff:fe1d:2c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:f7:bb:e4:a5:77 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-8c-8g-13665) 02/18/26 _x86_64_ (8 CPU) 07:47:21 LINUX RESTART (8 CPU) 07:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:02 33.02 12.48 6.15 14.39 743.16 912.09 533664.60 08:10:01 1.60 0.00 1.60 0.00 0.03 18.67 433.43 08:20:02 54.81 4.75 49.31 0.75 156.75 12546.16 4762.67 Average: 29.84 5.75 19.05 5.05 300.08 4499.96 179622.88 07:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:02 29765592 31860652 510980 1.55 69268 2353080 1505176 4.44 443228 2330040 168 08:10:01 29752916 31848596 523284 1.59 69924 2353068 1505240 4.44 443852 2340960 140 08:20:02 26005800 31671000 634216 1.93 136740 5744184 1130092 3.33 1535040 4808876 24640 Average: 28508103 31793416 556160 1.69 91977 3483444 1380169 4.07 807373 3159959 8316 07:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:02 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 08:00:02 ens3 18.65 11.58 268.50 0.83 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:10:01 ens3 0.64 0.23 0.23 0.15 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:02 lo 160.49 160.49 196.55 196.55 0.00 0.00 0.00 0.00 08:20:02 ens3 698.38 405.26 1708.00 1157.98 0.00 0.00 0.00 0.00 08:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 53.68 53.68 65.64 65.64 0.00 0.00 0.00 0.00 Average: ens3 239.65 139.27 659.95 387.03 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-8c-8g-13665) 02/18/26 _x86_64_ (8 CPU) 07:47:21 LINUX RESTART (8 CPU) 07:50:02 CPU %user %nice %system %iowait %steal %idle 08:00:02 all 0.31 0.04 0.10 0.13 0.01 99.41 08:00:02 0 0.30 0.00 0.12 0.06 0.01 99.51 08:00:02 1 0.29 0.22 0.11 0.50 0.01 98.86 08:00:02 2 0.21 0.00 0.06 0.01 0.03 99.68 08:00:02 3 0.28 0.08 0.10 0.17 0.01 99.36 08:00:02 4 0.21 0.00 0.10 0.05 0.01 99.63 08:00:02 5 0.93 0.00 0.11 0.03 0.01 98.91 08:00:02 6 0.15 0.00 0.08 0.02 0.03 99.72 08:00:02 7 0.11 0.00 0.11 0.18 0.01 99.59 08:10:01 all 0.11 0.00 0.01 0.01 0.01 99.86 08:10:01 0 0.01 0.00 0.00 0.00 0.01 99.98 08:10:01 1 0.01 0.00 0.01 0.01 0.02 99.95 08:10:01 2 0.04 0.00 0.01 0.01 0.02 99.93 08:10:01 3 0.01 0.00 0.01 0.04 0.01 99.93 08:10:01 4 0.01 0.00 0.01 0.00 0.01 99.98 08:10:01 5 0.75 0.00 0.04 0.00 0.04 99.17 08:10:01 6 0.01 0.00 0.02 0.00 0.02 99.95 08:10:01 7 0.01 0.00 0.01 0.00 0.00 99.98 08:20:02 all 12.60 0.00 1.15 0.16 0.04 86.05 08:20:02 0 15.49 0.00 1.07 0.01 0.04 83.39 08:20:02 1 12.30 0.00 1.05 0.10 0.04 86.51 08:20:02 2 13.95 0.00 1.57 0.21 0.05 84.22 08:20:02 3 11.13 0.00 1.02 0.40 0.05 87.39 08:20:02 4 14.94 0.00 1.13 0.04 0.04 83.84 08:20:02 5 11.73 0.00 1.08 0.24 0.04 86.92 08:20:02 6 10.96 0.00 1.21 0.21 0.04 87.57 08:20:02 7 10.31 0.00 1.07 0.04 0.04 88.53 Average: all 4.34 0.01 0.42 0.10 0.02 95.11 Average: 0 5.27 0.00 0.40 0.02 0.02 94.29 Average: 1 4.20 0.07 0.39 0.20 0.03 95.11 Average: 2 4.74 0.00 0.55 0.08 0.03 94.61 Average: 3 3.81 0.03 0.38 0.20 0.02 95.56 Average: 4 5.05 0.00 0.41 0.03 0.02 94.49 Average: 5 4.46 0.00 0.41 0.09 0.03 95.01 Average: 6 3.71 0.00 0.44 0.08 0.03 95.75 Average: 7 3.47 0.00 0.40 0.07 0.02 96.04