---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-25782 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 927 24977 4 6187 30697 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:89:ea:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83753sec preferred_lft 83753sec inet6 fe80::f816:3eff:fe89:ea20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:e3:db:6b:42:2c 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-25782) 03/02/26 _x86_64_ (8 CPU) 22:38:17 LINUX RESTART (8 CPU) 22:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:08 25.30 2.52 20.56 2.22 140.95 4216.18 5234.74 23:00:01 44.71 0.14 25.80 18.78 5.85 2302.40 541286.53 23:10:07 33.80 0.01 29.61 4.18 0.50 3113.95 25372.68 23:20:07 28.12 0.14 24.48 3.49 6.41 6424.27 13399.19 Average: 32.95 0.70 25.12 7.13 38.42 4016.85 144931.12 22:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:08 26057396 29247188 3066220 9.33 146432 3298048 3158460 9.31 641536 5746568 22256 23:00:01 25711080 29347368 2960724 9.01 177704 3672404 2930544 8.64 768900 5914464 53336 23:10:07 24852264 29074600 3229644 9.83 213808 4170376 3170608 9.35 914508 6571328 47640 23:20:07 25772796 31615136 681244 2.07 233976 5709656 1223704 3.61 1492716 4970176 32 Average: 25598384 29821073 2484458 7.56 192980 4212621 2620829 7.73 954415 5800634 30816 22:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:08 lo 847.50 847.50 806.75 806.75 0.00 0.00 0.00 0.00 22:50:08 ens3 125.87 95.94 908.17 21.08 0.00 0.00 0.00 0.00 22:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 lo 1616.94 1616.94 1538.64 1538.64 0.00 0.00 0.00 0.00 23:00:01 ens3 50.60 34.71 18.53 13.29 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:07 lo 1670.16 1670.16 1589.63 1589.63 0.00 0.00 0.00 0.00 23:10:07 ens3 56.49 39.22 20.23 15.80 0.00 0.00 0.00 0.00 23:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:07 lo 889.52 889.52 833.45 833.45 0.00 0.00 0.00 0.00 23:20:07 ens3 108.39 107.75 209.24 609.39 0.00 0.00 0.00 0.00 23:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1256.04 1256.04 1192.12 1192.12 0.00 0.00 0.00 0.00 Average: ens3 85.36 69.43 289.12 164.97 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-25782) 03/02/26 _x86_64_ (8 CPU) 22:38:17 LINUX RESTART (8 CPU) 22:40:07 CPU %user %nice %system %iowait %steal %idle 22:50:08 all 29.94 0.00 1.36 0.05 0.05 68.59 22:50:08 0 31.88 0.00 1.33 0.07 0.06 66.66 22:50:08 1 26.97 0.00 1.35 0.10 0.06 71.53 22:50:08 2 29.94 0.00 1.26 0.04 0.06 68.70 22:50:08 3 30.07 0.00 1.61 0.05 0.06 68.21 22:50:08 4 29.75 0.00 1.20 0.02 0.05 68.99 22:50:08 5 30.40 0.00 1.46 0.03 0.05 68.05 22:50:08 6 29.02 0.00 1.43 0.05 0.05 69.45 22:50:08 7 31.53 0.00 1.27 0.04 0.05 67.10 23:00:01 all 36.31 0.00 1.69 0.07 0.06 61.86 23:00:01 0 33.06 0.00 1.69 0.04 0.06 65.14 23:00:01 1 34.58 0.00 1.97 0.04 0.06 63.34 23:00:01 2 37.96 0.00 1.72 0.09 0.06 60.16 23:00:01 3 35.60 0.00 1.56 0.10 0.06 62.68 23:00:01 4 40.18 0.00 1.44 0.03 0.06 58.28 23:00:01 5 40.78 0.00 1.97 0.03 0.06 57.17 23:00:01 6 35.30 0.00 1.64 0.06 0.06 62.94 23:00:01 7 33.05 0.00 1.55 0.18 0.06 65.16 23:10:07 all 39.31 0.00 1.97 0.07 0.06 58.59 23:10:07 0 37.35 0.00 1.69 0.06 0.07 60.83 23:10:07 1 44.15 0.00 1.97 0.03 0.07 53.79 23:10:07 2 39.18 0.00 2.29 0.07 0.06 58.40 23:10:07 3 40.88 0.00 2.09 0.07 0.06 56.90 23:10:07 4 36.92 0.00 1.89 0.15 0.06 60.98 23:10:07 5 41.06 0.00 1.87 0.04 0.07 56.96 23:10:07 6 37.43 0.00 2.03 0.07 0.06 60.40 23:10:07 7 37.49 0.00 1.91 0.06 0.06 60.47 23:20:07 all 24.91 0.00 1.27 0.08 0.06 73.67 23:20:07 0 22.23 0.00 1.42 0.10 0.06 76.18 23:20:07 1 20.89 0.00 1.53 0.05 0.05 77.48 23:20:07 2 33.17 0.00 1.44 0.01 0.06 65.32 23:20:07 3 25.08 0.00 1.27 0.07 0.06 73.52 23:20:07 4 22.56 0.00 1.01 0.11 0.06 76.26 23:20:07 5 28.44 0.00 1.32 0.03 0.05 70.16 23:20:07 6 25.18 0.00 1.09 0.07 0.06 73.60 23:20:07 7 21.76 0.00 1.11 0.24 0.06 76.84 Average: all 32.62 0.00 1.57 0.07 0.06 65.67 Average: 0 31.14 0.00 1.53 0.07 0.06 67.20 Average: 1 31.67 0.00 1.70 0.06 0.06 66.51 Average: 2 35.06 0.00 1.68 0.05 0.06 63.15 Average: 3 32.92 0.00 1.63 0.07 0.06 65.32 Average: 4 32.34 0.00 1.39 0.08 0.06 66.14 Average: 5 35.16 0.00 1.65 0.03 0.06 63.09 Average: 6 31.73 0.00 1.55 0.06 0.06 66.60 Average: 7 30.96 0.00 1.46 0.13 0.06 67.39