---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3478 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 17G 62G 21% / 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 700 6953 3 8335 14946 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:77:fe:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80668sec preferred_lft 80668sec inet6 fe80::f816:3eff:fe77:fe8a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:da:37:0e:b0:fd 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 inet6 fe80::c4da:37ff:fe0e:b0fd/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-16g-3478) 08/08/26 _x86_64_ (4 CPU) 14:15:36 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:06 51.48 1.89 47.97 1.61 114.43 21001.12 8793.00 14:40:01 13.49 0.82 11.87 0.79 10.37 1565.05 871.26 14:50:01 34.42 0.07 32.57 1.79 3.97 1780.58 2111.72 15:00:06 10.19 0.00 9.70 0.49 0.00 260.10 236.49 15:10:06 19.93 0.01 4.71 15.21 0.73 123.29 213650.46 15:20:01 8.15 0.00 7.79 0.36 0.09 229.09 128.35 15:30:02 4.99 0.00 4.83 0.16 0.00 142.92 76.14 15:40:03 10.83 0.11 10.26 0.46 3.03 543.67 202.65 15:50:01 5.62 0.00 5.37 0.24 0.00 167.31 173.07 Average: 17.72 0.32 15.05 2.35 14.84 2887.63 25146.58 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:06 4009312 12514388 3415212 20.86 232932 8101596 4749684 27.26 1953416 9698080 3740 14:40:01 3520064 12393216 3533828 21.58 245336 8441808 4442092 25.50 2040128 10054232 3512 14:50:01 3262460 10874808 5052784 30.86 258608 7183232 6232916 35.78 2210476 10176000 7096 15:00:06 3696828 11332308 4596232 28.07 260284 7204460 5370924 30.83 2216520 9742224 744 15:10:06 3517352 11170868 4757616 29.06 261128 7221640 5404752 31.02 2222844 9906520 352 15:20:01 2522216 10204240 5723944 34.96 262288 7248936 6663416 38.25 2228128 10893392 504 15:30:02 3750352 11451100 4477788 27.35 263032 7266868 5265932 30.23 2230612 9675496 532 15:40:03 3477984 11300360 4627696 28.26 267740 7377416 5226920 30.00 2245688 9921876 356 15:50:01 2618852 10464704 5462880 33.37 268656 7399896 6092208 34.97 2256852 10765904 392 Average: 3375047 11300666 4627553 28.26 257778 7493984 5494316 31.54 2178296 10092636 1914 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:06 lo 9.44 9.44 7.37 7.37 0.00 0.00 0.00 0.00 14:30:06 ens3 23.82 15.09 434.15 1.56 0.00 0.00 0.00 0.00 14:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 9.27 9.27 8.67 8.67 0.00 0.00 0.00 0.00 14:40:01 ens3 0.93 0.68 0.33 0.29 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 24.72 24.72 15.45 15.45 0.00 0.00 0.00 0.00 14:50:01 ens3 1.80 1.60 0.43 0.36 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:06 lo 27.20 27.20 13.21 13.21 0.00 0.00 0.00 0.00 15:00:06 ens3 1.05 0.87 0.23 0.19 0.00 0.00 0.00 0.00 15:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:06 lo 26.62 26.62 9.56 9.56 0.00 0.00 0.00 0.00 15:10:06 ens3 0.57 0.41 0.14 0.10 0.00 0.00 0.00 0.00 15:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 20.34 20.34 11.14 11.14 0.00 0.00 0.00 0.00 15:20:01 ens3 0.73 0.58 0.17 0.13 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:02 lo 18.19 18.19 10.20 10.20 0.00 0.00 0.00 0.00 15:30:02 ens3 0.69 0.51 0.16 0.12 0.00 0.00 0.00 0.00 15:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:03 lo 18.50 18.50 8.81 8.81 0.00 0.00 0.00 0.00 15:40:03 ens3 1.02 0.85 0.29 0.23 0.00 0.00 0.00 0.00 15:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 28.26 28.26 10.70 10.70 0.00 0.00 0.00 0.00 15:50:01 ens3 0.67 0.48 0.16 0.12 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.28 20.28 10.57 10.57 0.00 0.00 0.00 0.00 Average: ens3 3.50 2.36 48.88 0.35 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-16g-3478) 08/08/26 _x86_64_ (4 CPU) 14:15:36 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:06 all 30.00 0.00 1.37 0.30 0.08 68.25 14:30:06 0 30.77 0.00 1.55 0.34 0.08 67.26 14:30:06 1 29.65 0.00 0.97 0.06 0.08 69.24 14:30:06 2 28.54 0.00 1.45 0.29 0.08 69.65 14:30:06 3 31.03 0.00 1.52 0.50 0.09 66.86 14:40:01 all 15.73 0.00 0.77 0.04 0.08 83.38 14:40:01 0 15.68 0.00 0.85 0.04 0.07 83.36 14:40:01 1 15.82 0.00 0.72 0.01 0.08 83.37 14:40:01 2 15.82 0.00 0.82 0.07 0.08 83.22 14:40:01 3 15.61 0.00 0.69 0.07 0.07 83.55 14:50:01 all 57.46 0.00 2.00 0.09 0.11 40.34 14:50:01 0 57.29 0.00 2.01 0.16 0.11 40.43 14:50:01 1 57.47 0.00 2.00 0.04 0.11 40.39 14:50:01 2 57.23 0.00 2.06 0.09 0.11 40.52 14:50:01 3 57.86 0.00 1.93 0.06 0.10 40.05 15:00:06 all 20.68 0.00 0.75 0.04 0.09 78.44 15:00:06 0 20.36 0.00 0.73 0.04 0.09 78.78 15:00:06 1 20.85 0.00 0.75 0.06 0.08 78.25 15:00:06 2 20.79 0.00 0.75 0.02 0.08 78.35 15:00:06 3 20.71 0.00 0.79 0.02 0.09 78.39 15:10:06 all 8.76 0.00 0.46 0.08 0.07 90.62 15:10:06 0 8.64 0.00 0.44 0.04 0.07 90.81 15:10:06 1 9.28 0.00 0.49 0.04 0.08 90.12 15:10:06 2 8.61 0.00 0.45 0.16 0.07 90.70 15:10:06 3 8.53 0.00 0.45 0.10 0.07 90.85 15:20:01 all 18.07 0.00 0.75 0.03 0.09 81.06 15:20:01 0 18.43 0.00 0.74 0.02 0.09 80.72 15:20:01 1 17.42 0.00 0.81 0.01 0.08 81.68 15:20:01 2 18.43 0.00 0.71 0.03 0.09 80.74 15:20:01 3 18.01 0.00 0.74 0.06 0.09 81.10 15:30:02 all 10.27 0.00 0.48 0.02 0.08 89.15 15:30:02 0 10.04 0.00 0.52 0.01 0.08 89.35 15:30:02 1 10.61 0.00 0.55 0.02 0.09 88.74 15:30:02 2 9.96 0.00 0.39 0.01 0.08 89.56 15:30:02 3 10.45 0.00 0.44 0.05 0.08 88.97 15:40:03 all 17.25 0.00 0.69 0.04 0.08 81.93 15:40:03 0 16.97 0.00 0.64 0.06 0.08 82.26 15:40:03 1 17.38 0.00 0.77 0.03 0.09 81.73 15:40:03 2 16.79 0.00 0.63 0.02 0.08 82.48 15:40:03 3 17.88 0.00 0.72 0.07 0.08 81.24 15:50:01 all 11.64 0.00 0.55 0.02 0.08 87.71 15:50:01 0 11.59 0.00 0.54 0.02 0.09 87.76 15:50:01 1 11.92 0.00 0.55 0.02 0.08 87.43 15:50:01 2 11.34 0.00 0.54 0.01 0.09 88.03 15:50:01 3 11.69 0.00 0.57 0.05 0.08 87.61 Average: all 21.12 0.00 0.87 0.07 0.08 77.85 Average: 0 21.10 0.00 0.89 0.08 0.08 77.84 Average: 1 21.18 0.00 0.85 0.03 0.08 77.86 Average: 2 20.86 0.00 0.87 0.08 0.09 78.11 Average: 3 21.34 0.00 0.88 0.11 0.08 77.60